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Memory, data, logic — all hidden behind walls. Without an API, the only way to reach that logic is to live inside the box. APIs make the inside reachable from the outside without breaking the walls.","status":"active","vx_hash":"1e0f431ed8c24c27b7b4146c8131e7dacd233ba2e4b215e1f62aaf42ac1f156b","semantic_hash":null,"version_hash":null,"version":1,"sources":[],"falsifiers":[],"tier":null,"backed":null,"transcludes":null,"chain_head":"dbea05cee05cafc045ac3aaeecfbe370f8ef960682fb9b59a4f66149fd1cfbb8","chain_length":1,"chain":[{"n":1,"op":"genesis","ts":"2026-07-17T02:36:49.592Z","actor":"owner","text_sha":"8c8680a0eb7a09c83b910c20e11e6be569d5677a2b202a9e744c8b116a2b23bb","detail":{"divided_from":"body","block":4,"kind":"p"},"prev":"genesis","hash":"dbea05cee05cafc045ac3aaeecfbe370f8ef960682fb9b59a4f66149fd1cfbb8"}],"claim_ids":["c2"],"last_op":{"op":"genesis","actor":"owner","ts":"2026-07-17T02:36:49.592Z"},"consolidated_into":null,"stable_url":"https://miscsubjects.com/i/div/oip-what-is-an-api/d4"},{"id":"d5","kind":"p","type":null,"order":5,"text":"This matters for scale. A single team can own the box. A hundred other teams can use it without knowing the box exists. The API is the membrane between complexity and usability. Get the membrane right, and complexity becomes a service. Get it wrong, and every consumer becomes a co-owner of your bugs.","status":"active","vx_hash":"da8427eea15e016d127a6e5b53b80359af75d134e64b2b7534053fbdcca9163d","semantic_hash":null,"version_hash":null,"version":1,"sources":[],"falsifiers":[],"tier":null,"backed":null,"transcludes":null,"chain_head":"cebab80d20ab9b90ae787d5a7046cefb621fadca0b52e3ea2ba1a89f80ae0709","chain_length":1,"chain":[{"n":1,"op":"genesis","ts":"2026-07-17T02:36:49.592Z","actor":"owner","text_sha":"8ac69e41f0a4f5d2e0c3818aa9a939254ac43af7d1d74861f9fcbf97e651e367","detail":{"divided_from":"body","block":5,"kind":"p"},"prev":"genesis","hash":"cebab80d20ab9b90ae787d5a7046cefb621fadca0b52e3ea2ba1a89f80ae0709"}],"claim_ids":["c3"],"last_op":{"op":"genesis","actor":"owner","ts":"2026-07-17T02:36:49.592Z"},"consolidated_into":null,"stable_url":"https://miscsubjects.com/i/div/oip-what-is-an-api/d5"},{"id":"d6","kind":"p","type":null,"order":6,"text":"APIs also matter for trust. A documented, versioned API is a promise. 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APIs are the grammar of interoperability.","status":"active","vx_hash":"1c795bd92dab66f7c523f082f1b37bf801d031a606d751a8921e38841ada8efa","semantic_hash":null,"version_hash":null,"version":1,"sources":[],"falsifiers":[],"tier":null,"backed":null,"transcludes":null,"chain_head":"2d8457a14c60e0ec632b285a27bd39f534bc8525349eccfde75466a3ea65b8d7","chain_length":1,"chain":[{"n":1,"op":"genesis","ts":"2026-07-17T02:36:49.592Z","actor":"owner","text_sha":"30360e1c4869484980bdc891b4dd3fd9f5140f938e5740b5f30f13d587372a87","detail":{"divided_from":"body","block":6,"kind":"p"},"prev":"genesis","hash":"2d8457a14c60e0ec632b285a27bd39f534bc8525349eccfde75466a3ea65b8d7"}],"claim_ids":[],"last_op":{"op":"genesis","actor":"owner","ts":"2026-07-17T02:36:49.592Z"},"consolidated_into":null,"stable_url":"https://miscsubjects.com/i/div/oip-what-is-an-api/d6"},{"id":"d7","kind":"h","type":null,"order":7,"text":"## How It Works","status":"active","vx_hash":"8898dea20b29dc73e650a4d2ab45b9037d95d4709a1289590e6b8b49115991ff","semantic_hash":null,"version_hash":null,"version":1,"sources":[],"falsifiers":[],"tier":null,"backed":null,"transcludes":null,"chain_head":"018c7a65208bee565fc3389357595d11331cbba07e7fe9e3e10230b5e2d79f5a","chain_length":1,"chain":[{"n":1,"op":"genesis","ts":"2026-07-17T02:36:49.592Z","actor":"owner","text_sha":"f029fb0d33f0802e53458729c7a20710b671d86867fd9cb957609a4af8aee229","detail":{"divided_from":"body","block":7,"kind":"h"},"prev":"genesis","hash":"018c7a65208bee565fc3389357595d11331cbba07e7fe9e3e10230b5e2d79f5a"}],"claim_ids":[],"last_op":{"op":"genesis","actor":"owner","ts":"2026-07-17T02:36:49.592Z"},"consolidated_into":null,"stable_url":"https://miscsubjects.com/i/div/oip-what-is-an-api/d7"},{"id":"d8","kind":"p","type":null,"order":8,"text":"Four verbs run the world.","status":"active","vx_hash":"1145fbaf52949370aab3b8b2edb235af45a6a502c58e878fbe3f44fc47ea5b5c","semantic_hash":null,"version_hash":null,"version":1,"sources":[],"falsifiers":[],"tier":null,"backed":null,"transcludes":null,"chain_head":"7ecd966b52e7c0ce6eb2eb49ecbde3ce4968e8809239f0d78f3f5acb4e14b954","chain_length":1,"chain":[{"n":1,"op":"genesis","ts":"2026-07-17T02:36:49.592Z","actor":"owner","text_sha":"8c53516a9e4a831cf9091a28dd8fd8b43dc2f6e049a6f4fcdb57c6f77ce4c48e","detail":{"divided_from":"body","block":8,"kind":"p"},"prev":"genesis","hash":"7ecd966b52e7c0ce6eb2eb49ecbde3ce4968e8809239f0d78f3f5acb4e14b954"}],"claim_ids":[],"last_op":{"op":"genesis","actor":"owner","ts":"2026-07-17T02:36:49.592Z"},"consolidated_into":null,"stable_url":"https://miscsubjects.com/i/div/oip-what-is-an-api/d8"},{"id":"d9","kind":"p","type":null,"order":9,"text":"**GET.** You ask for something. The API hands it back. `GET /users/42` returns the user with ID 42. If the user does not exist, the API returns a 404. No ambiguity. 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The API stores the user and returns the newly created ID. The response is a receipt.","status":"active","vx_hash":"95f16bc875a799b0d3ee6bfc8f3ef3abc40a819de2e5ff2ce0e8a2036f23b876","semantic_hash":null,"version_hash":null,"version":1,"sources":[],"falsifiers":[],"tier":null,"backed":null,"transcludes":null,"chain_head":"8aa0724130b1e0164f78f4458c78ff2cf3d8697fb311df2c880285f83c90a2aa","chain_length":1,"chain":[{"n":1,"op":"genesis","ts":"2026-07-17T02:36:49.592Z","actor":"owner","text_sha":"8e202679bcd6e07c5528d4b6c10949ee00b4ca17ebe8d87ee3faab41b648d1ef","detail":{"divided_from":"body","block":10,"kind":"p"},"prev":"genesis","hash":"8aa0724130b1e0164f78f4458c78ff2cf3d8697fb311df2c880285f83c90a2aa"}],"claim_ids":[],"last_op":{"op":"genesis","actor":"owner","ts":"2026-07-17T02:36:49.592Z"},"consolidated_into":null,"stable_url":"https://miscsubjects.com/i/div/oip-what-is-an-api/d10"},{"id":"d11","kind":"p","type":null,"order":11,"text":"**PUT.** You replace something entirely. `PUT /users/42` with a full new body. The old record is overwritten. The API returns the updated object.","status":"active","vx_hash":"d40e55517c878a7dc9fd48b9ead70a7d6f6706ccbe438b39d4c50279d66f1beb","semantic_hash":null,"version_hash":null,"version":1,"sources":[],"falsifiers":[],"tier":null,"backed":null,"transcludes":null,"chain_head":"79101472956f129a0853a49e6f0da9c98807fe9cbab7e117e9df91ee109e6443","chain_length":1,"chain":[{"n":1,"op":"genesis","ts":"2026-07-17T02:36:49.592Z","actor":"owner","text_sha":"c8400fc64008e567790b6dcd14570c1debe5782b8d8af41c7a87cb06808285ac","detail":{"divided_from":"body","block":11,"kind":"p"},"prev":"genesis","hash":"79101472956f129a0853a49e6f0da9c98807fe9cbab7e117e9df91ee109e6443"}],"claim_ids":[],"last_op":{"op":"genesis","actor":"owner","ts":"2026-07-17T02:36:49.592Z"},"consolidated_into":null,"stable_url":"https://miscsubjects.com/i/div/oip-what-is-an-api/d11"},{"id":"d12","kind":"p","type":null,"order":12,"text":"**DELETE.** You remove something. `DELETE /users/42`. The API confirms with a 204 or returns the deleted object. The resource is gone.","status":"active","vx_hash":"c196845470f45abb84a69c2df1d29ae2e6a7d4afa4c5168632cf250fa9bad551","semantic_hash":null,"version_hash":null,"version":1,"sources":[],"falsifiers":[],"tier":null,"backed":null,"transcludes":null,"chain_head":"5d9302a403abe080d51a15ea17bd2b6568c6cbe2dc44d2212248c7b884fd36d9","chain_length":1,"chain":[{"n":1,"op":"genesis","ts":"2026-07-17T02:36:49.592Z","actor":"owner","text_sha":"a95f55e9c5519a9cb75e15d88234bf65f5a123dad5fe48faffc5c851da3d999d","detail":{"divided_from":"body","block":12,"kind":"p"},"prev":"genesis","hash":"5d9302a403abe080d51a15ea17bd2b6568c6cbe2dc44d2212248c7b884fd36d9"}],"claim_ids":[],"last_op":{"op":"genesis","actor":"owner","ts":"2026-07-17T02:36:49.592Z"},"consolidated_into":null,"stable_url":"https://miscsubjects.com/i/div/oip-what-is-an-api/d12"},{"id":"d13","kind":"p","type":null,"order":13,"text":"Every request carries three things: a method (what you want), a path (where to look), and a body (what you are sending). Every response carries a status code (what happened) and a body (what you got back). The shape of the body is defined by the API contract. No surprises.","status":"active","vx_hash":"f8cf174b5baeee1d34964d691ede44f0a894534199980e82d1a7eb6943267a54","semantic_hash":null,"version_hash":null,"version":1,"sources":[],"falsifiers":[],"tier":null,"backed":null,"transcludes":null,"chain_head":"9dd8dd3730831773603deba715dd074f26d97ca7f9feecd449dce16ca2c1375e","chain_length":1,"chain":[{"n":1,"op":"genesis","ts":"2026-07-17T02:36:49.592Z","actor":"owner","text_sha":"ac98afc09ba63ea16cc029336bcf239ed6126281b99ecb71ec9e910a88583637","detail":{"divided_from":"body","block":13,"kind":"p"},"prev":"genesis","hash":"9dd8dd3730831773603deba715dd074f26d97ca7f9feecd449dce16ca2c1375e"}],"claim_ids":[],"last_op":{"op":"genesis","actor":"owner","ts":"2026-07-17T02:36:49.592Z"},"consolidated_into":null,"stable_url":"https://miscsubjects.com/i/div/oip-what-is-an-api/d13"},{"id":"d14","kind":"h","type":null,"order":14,"text":"## The Contract","status":"active","vx_hash":"e785e80e188674acb8c50c70b4286d826bb81d768fa1b5a3f9638b6d0887b96d","semantic_hash":null,"version_hash":null,"version":1,"sources":[],"falsifiers":[],"tier":null,"backed":null,"transcludes":null,"chain_head":"6263951f059397a068e4dfd04d9d86425b5552d1ab299095c9476fd76f39f72d","chain_length":1,"chain":[{"n":1,"op":"genesis","ts":"2026-07-17T02:36:49.592Z","actor":"owner","text_sha":"0cd93563460fd113091079213702fcf7de22a6f656d6e92aab843a96d23bc7cc","detail":{"divided_from":"body","block":14,"kind":"h"},"prev":"genesis","hash":"6263951f059397a068e4dfd04d9d86425b5552d1ab299095c9476fd76f39f72d"}],"claim_ids":[],"last_op":{"op":"genesis","actor":"owner","ts":"2026-07-17T02:36:49.592Z"},"consolidated_into":null,"stable_url":"https://miscsubjects.com/i/div/oip-what-is-an-api/d14"},{"id":"d15","kind":"p","type":null,"order":15,"text":"An API contract is a formal agreement. It specifies:","status":"active","vx_hash":"5af488871bea19b78b422a1e9ef3baf392311568435bd06edf78ae34b046d402","semantic_hash":null,"version_hash":null,"version":1,"sources":[],"falsifiers":[],"tier":null,"backed":null,"transcludes":null,"chain_head":"83a8b3d122e8ccfcb64c457e64062f03ff002a16c8b9a8b9952cf3f257a0e7a3","chain_length":1,"chain":[{"n":1,"op":"genesis","ts":"2026-07-17T02:36:49.592Z","actor":"owner","text_sha":"73583570ca5d832d5fbceeed549ec2cf002992d198e546b531c5864305dc35c7","detail":{"divided_from":"body","block":15,"kind":"p"},"prev":"genesis","hash":"83a8b3d122e8ccfcb64c457e64062f03ff002a16c8b9a8b9952cf3f257a0e7a3"}],"claim_ids":[],"last_op":{"op":"genesis","actor":"owner","ts":"2026-07-17T02:36:49.592Z"},"consolidated_into":null,"stable_url":"https://miscsubjects.com/i/div/oip-what-is-an-api/d15"},{"id":"d16","kind":"list","type":null,"order":16,"text":"- **Endpoints.** The exact URLs and HTTP methods available.\n- **Request shape.** Required headers, parameters, and body schema. Miss a required field, and the API returns a 400. No negotiation.\n- **Response shape.** The exact structure of success and error payloads. Field names, types, nesting. Predictable.\n- **Status codes.** 200 means success. 201 means created. 400 means your request was malformed. 401 means unauthorized. 403 means forbidden. 404 means not found. 500 means the server broke. Every code has a single meaning. No reinterpretation.\n- **Versioning.** The contract includes a version. `v1` stays stable while `v2` evolves. Consumers pin to a version. Breaking changes only happen across version boundaries, never within one.\n- **Rate limits.** The contract defines how many requests per second are allowed. Exceed the limit, and the API returns a 429. Throttling is not a bug. It is part of the contract.","status":"active","vx_hash":"0c8f3ffbdf05816db2087bbe15d5b3a5299fc2a7347c4782d52d85ab429ad86e","semantic_hash":null,"version_hash":null,"version":1,"sources":[],"falsifiers":[],"tier":null,"backed":null,"transcludes":null,"chain_head":"d46edf79013053dd6bdb4fc0a5c0454ffa69d4353819c75511a810801913eb94","chain_length":1,"chain":[{"n":1,"op":"genesis","ts":"2026-07-17T02:36:49.592Z","actor":"owner","text_sha":"9a390163bbc8e39bbc8208b9ff70078f21634b9ad2bc20a969a9205d2e4a6b6b","detail":{"divided_from":"body","block":16,"kind":"list"},"prev":"genesis","hash":"d46edf79013053dd6bdb4fc0a5c0454ffa69d4353819c75511a810801913eb94"}],"claim_ids":[],"last_op":{"op":"genesis","actor":"owner","ts":"2026-07-17T02:36:49.592Z"},"consolidated_into":null,"stable_url":"https://miscsubjects.com/i/div/oip-what-is-an-api/d16"},{"id":"d17","kind":"p","type":null,"order":17,"text":"Violate the contract, and the API refuses to play. This is the discipline. The API does not adapt to sloppy inputs. The caller adapts to the contract. That is the whole point.","status":"active","vx_hash":"050a61a8d78329851b9785eb8faff1109f49fe51dac3011348bf6d284dddd7f3","semantic_hash":null,"version_hash":null,"version":1,"sources":[],"falsifiers":[],"tier":null,"backed":null,"transcludes":null,"chain_head":"5df8e4aa11d75938db76f71d090946b39b1442bbcea07f6797037d77ec0a50f1","chain_length":1,"chain":[{"n":1,"op":"genesis","ts":"2026-07-17T02:36:49.592Z","actor":"owner","text_sha":"1faf8135b499ba1c274a34c80e52b5fcfcbcde8be005fbe4e98bdea46ef337ae","detail":{"divided_from":"body","block":17,"kind":"p"},"prev":"genesis","hash":"5df8e4aa11d75938db76f71d090946b39b1442bbcea07f6797037d77ec0a50f1"}],"claim_ids":[],"last_op":{"op":"genesis","actor":"owner","ts":"2026-07-17T02:36:49.592Z"},"consolidated_into":null,"stable_url":"https://miscsubjects.com/i/div/oip-what-is-an-api/d17"},{"id":"d18","kind":"h","type":null,"order":18,"text":"## Real Examples","status":"active","vx_hash":"2607bfe75ae5b0f3d0596f2e27af8eecbe10fb31b1bf63b3bb6e929fbcaf79d2","semantic_hash":null,"version_hash":null,"version":1,"sources":[],"falsifiers":[],"tier":null,"backed":null,"transcludes":null,"chain_head":"7ff83dadb3aa910a61bf34cbed34f7939bc4ddcb0ffcc3753ac544859a8cd26d","chain_length":1,"chain":[{"n":1,"op":"genesis","ts":"2026-07-17T02:36:49.592Z","actor":"owner","text_sha":"e117cb4e562f13d43f7070785d002a44b2ac990a268aba794448b69670234942","detail":{"divided_from":"body","block":18,"kind":"h"},"prev":"genesis","hash":"7ff83dadb3aa910a61bf34cbed34f7939bc4ddcb0ffcc3753ac544859a8cd26d"}],"claim_ids":[],"last_op":{"op":"genesis","actor":"owner","ts":"2026-07-17T02:36:49.592Z"},"consolidated_into":null,"stable_url":"https://miscsubjects.com/i/div/oip-what-is-an-api/d18"},{"id":"d19","kind":"p","type":null,"order":19,"text":"**Stripe.** You want to charge a credit card. You POST to `https://api.stripe.com/v1/charges` with a card token and an amount. Stripe handles PCI compliance, fraud detection, and bank routing. You never touch a card number. The API abstracts away an entire industry.","status":"active","vx_hash":"513ae67c29b492011f7d5e62fbaad42c88d11a61fda63177f85cd3b8f3e63090","semantic_hash":null,"version_hash":null,"version":1,"sources":[],"falsifiers":[],"tier":null,"backed":null,"transcludes":null,"chain_head":"04d83fec01df148caeebbdc46ecbc6990505527e4462e52c7aeb2eeb3711500d","chain_length":1,"chain":[{"n":1,"op":"genesis","ts":"2026-07-17T02:36:49.592Z","actor":"owner","text_sha":"a345b8eb644e59ae310650314e760a828c021bea444735ca6e9eba68a97830e5","detail":{"divided_from":"body","block":19,"kind":"p"},"prev":"genesis","hash":"04d83fec01df148caeebbdc46ecbc6990505527e4462e52c7aeb2eeb3711500d"}],"claim_ids":[],"last_op":{"op":"genesis","actor":"owner","ts":"2026-07-17T02:36:49.592Z"},"consolidated_into":null,"stable_url":"https://miscsubjects.com/i/div/oip-what-is-an-api/d19"},{"id":"d20","kind":"p","type":null,"order":20,"text":"**GitHub.** You want to know if a pull request is merged. You GET `https://api.github.com/repos/owner/repo/pulls/42`. The response JSON contains a `merged` boolean and a `merge_commit_sha`. No HTML scraping. No parsing. One request, one answer.","status":"active","vx_hash":"73866f7457852177ef4b1fe97e7482b7942892379fdba170e91330497def1e6d","semantic_hash":null,"version_hash":null,"version":1,"sources":[],"falsifiers":[],"tier":null,"backed":null,"transcludes":null,"chain_head":"cb16073d956b4c9eb1896e599b28e3d2ff7501f89a3d088ed745d6b3102d0985","chain_length":1,"chain":[{"n":1,"op":"genesis","ts":"2026-07-17T02:36:49.592Z","actor":"owner","text_sha":"f2379ab32be77f87d1a058b34d13dc63d91da2648da66be3c50cd0c50b5313dd","detail":{"divided_from":"body","block":20,"kind":"p"},"prev":"genesis","hash":"cb16073d956b4c9eb1896e599b28e3d2ff7501f89a3d088ed745d6b3102d0985"}],"claim_ids":[],"last_op":{"op":"genesis","actor":"owner","ts":"2026-07-17T02:36:49.592Z"},"consolidated_into":null,"stable_url":"https://miscsubjects.com/i/div/oip-what-is-an-api/d20"},{"id":"d21","kind":"p","type":null,"order":21,"text":"**Cloudflare.** You want to update a DNS record. You PUT to `https://api.cloudflare.com/client/v4/zones/zone_id/dns_records/record_id` with the new IP address. The change propagates globally in seconds. You managed global infrastructure from a single HTTP request.","status":"active","vx_hash":"c6139789106086947de7d3587104fe8508ba8e651b62a051999e52de6c1a3e8c","semantic_hash":null,"version_hash":null,"version":1,"sources":[],"falsifiers":[],"tier":null,"backed":null,"transcludes":null,"chain_head":"1a4246fcaf584f20fa1c176f20c9d49c0ca157b2d4fbfd69ad0c601c0f6a831f","chain_length":1,"chain":[{"n":1,"op":"genesis","ts":"2026-07-17T02:36:49.592Z","actor":"owner","text_sha":"7234e8ae39478bbe1c3c839089629a32b2039318e0027500a746087905b925b5","detail":{"divided_from":"body","block":21,"kind":"p"},"prev":"genesis","hash":"1a4246fcaf584f20fa1c176f20c9d49c0ca157b2d4fbfd69ad0c601c0f6a831f"}],"claim_ids":[],"last_op":{"op":"genesis","actor":"owner","ts":"2026-07-17T02:36:49.592Z"},"consolidated_into":null,"stable_url":"https://miscsubjects.com/i/div/oip-what-is-an-api/d21"},{"id":"d22","kind":"p","type":null,"order":22,"text":"**Twilio.** You want to send an SMS. You POST to `https://api.twilio.com/2010-04-01/Accounts/ACxxx/Messages.json` with a `To` number, a `From` number, and a `Body`. Twilio handles carrier routing, delivery receipts, and retries. You sent a message to a phone without knowing how phones work.","status":"active","vx_hash":"f39fed173ba56cd980a325474019d28c9ef4cf292bb6ef1c6f2e056336fc9b96","semantic_hash":null,"version_hash":null,"version":1,"sources":[],"falsifiers":[],"tier":null,"backed":null,"transcludes":null,"chain_head":"3fae427966cac08a1c69a8fcdb32c4758e417b80ecf56d0b67b42de3b65a1e17","chain_length":1,"chain":[{"n":1,"op":"genesis","ts":"2026-07-17T02:36:49.592Z","actor":"owner","text_sha":"ecaedefbe6536512813362cbd56111ddf75a68db24953ce83d40e1bd03434c0d","detail":{"divided_from":"body","block":22,"kind":"p"},"prev":"genesis","hash":"3fae427966cac08a1c69a8fcdb32c4758e417b80ecf56d0b67b42de3b65a1e17"}],"claim_ids":[],"last_op":{"op":"genesis","actor":"owner","ts":"2026-07-17T02:36:49.592Z"},"consolidated_into":null,"stable_url":"https://miscsubjects.com/i/div/oip-what-is-an-api/d22"},{"id":"d23","kind":"p","type":null,"order":23,"text":"**OpenAI.** You want a model completion. You POST to `https://api.openai.com/v1/chat/completions` with a message array and a model name. The API returns generated text, token usage, and a finish reason. You invoked a neural network without training one.","status":"active","vx_hash":"708d85c0581fd13f3143f5039ba7d576ef30a08d2006931a9cf65be3d66a350a","semantic_hash":null,"version_hash":null,"version":1,"sources":[],"falsifiers":[],"tier":null,"backed":null,"transcludes":null,"chain_head":"2d923f095eeabc7cc7e56dc12492cd855a29d5e1d308ef9da6bc81a5036c387e","chain_length":1,"chain":[{"n":1,"op":"genesis","ts":"2026-07-17T02:36:49.592Z","actor":"owner","text_sha":"c560e96d2c3b7d91b66840262562bc37cc8964739c25e4a2f5f15ee18119ac2e","detail":{"divided_from":"body","block":23,"kind":"p"},"prev":"genesis","hash":"2d923f095eeabc7cc7e56dc12492cd855a29d5e1d308ef9da6bc81a5036c387e"}],"claim_ids":[],"last_op":{"op":"genesis","actor":"owner","ts":"2026-07-17T02:36:49.592Z"},"consolidated_into":null,"stable_url":"https://miscsubjects.com/i/div/oip-what-is-an-api/d23"},{"id":"d24","kind":"h","type":null,"order":24,"text":"## Common Mistakes","status":"active","vx_hash":"6c0b65428d489d935dddc2e472a265ba178a731f909f45ac17e2710002cd9c3c","semantic_hash":null,"version_hash":null,"version":1,"sources":[],"falsifiers":[],"tier":null,"backed":null,"transcludes":null,"chain_head":"8ea3eb8ee758b530b00081d636eb4afb2b1191355e15f1cd302b7480e69b6a29","chain_length":1,"chain":[{"n":1,"op":"genesis","ts":"2026-07-17T02:36:49.592Z","actor":"owner","text_sha":"4e22ff0650f89ac59711e7d297d6068e6b0e8cd8e48fdd7a716f26d37acb2d34","detail":{"divided_from":"body","block":24,"kind":"h"},"prev":"genesis","hash":"8ea3eb8ee758b530b00081d636eb4afb2b1191355e15f1cd302b7480e69b6a29"}],"claim_ids":[],"last_op":{"op":"genesis","actor":"owner","ts":"2026-07-17T02:36:49.592Z"},"consolidated_into":null,"stable_url":"https://miscsubjects.com/i/div/oip-what-is-an-api/d24"},{"id":"d25","kind":"p","type":null,"order":25,"text":"**Treating APIs as documentation.** Reading the docs is not understanding the API. Call it. Fail. Read the error. Call it again. The only way to know an API is to exercise it.","status":"active","vx_hash":"836601d23d235b453ef344a78f6b4e259b97305c0ec93429b1871d3982e40961","semantic_hash":null,"version_hash":null,"version":1,"sources":[],"falsifiers":[],"tier":null,"backed":null,"transcludes":null,"chain_head":"c8b46286195fe2da31f15b9556fe8139d4a115a81087b4723cfa741fbe2b5625","chain_length":1,"chain":[{"n":1,"op":"genesis","ts":"2026-07-17T02:36:49.592Z","actor":"owner","text_sha":"48c04e8dbd4cd2866350246477b12c173bf2639751beb4e91cc98b43179c8c28","detail":{"divided_from":"body","block":25,"kind":"p"},"prev":"genesis","hash":"c8b46286195fe2da31f15b9556fe8139d4a115a81087b4723cfa741fbe2b5625"}],"claim_ids":[],"last_op":{"op":"genesis","actor":"owner","ts":"2026-07-17T02:36:49.592Z"},"consolidated_into":null,"stable_url":"https://miscsubjects.com/i/div/oip-what-is-an-api/d25"},{"id":"d26","kind":"p","type":null,"order":26,"text":"**Ignoring status codes.** A 200 with an error body is a broken API. A 500 with a success message is a lying API. Status codes are part of the contract. They must be truthful and complete.","status":"active","vx_hash":"dc7e446a2965e758fbbdac3822f3a98c372eb683d5f631cec54f696a91bab3b5","semantic_hash":null,"version_hash":null,"version":1,"sources":[],"falsifiers":[],"tier":null,"backed":null,"transcludes":null,"chain_head":"49706302d1ee21097d1b456f89f2a6281d9961b05395700c6b4ca165359fa822","chain_length":1,"chain":[{"n":1,"op":"genesis","ts":"2026-07-17T02:36:49.592Z","actor":"owner","text_sha":"67da84e8001bc38a0dcc64708dbaa24a66f1a3d241e97e4dd83a2409fffc40d8","detail":{"divided_from":"body","block":26,"kind":"p"},"prev":"genesis","hash":"49706302d1ee21097d1b456f89f2a6281d9961b05395700c6b4ca165359fa822"}],"claim_ids":[],"last_op":{"op":"genesis","actor":"owner","ts":"2026-07-17T02:36:49.592Z"},"consolidated_into":null,"stable_url":"https://miscsubjects.com/i/div/oip-what-is-an-api/d26"},{"id":"d27","kind":"p","type":null,"order":27,"text":"**Building without versioning.** You will need to change something. If you did not version from day one, you will either break every consumer or maintain two APIs forever. Versioning is not optional.","status":"active","vx_hash":"e9e80b2bb873cacd153537163aacfa979f4880fbc1913f04ac86237ab0192125","semantic_hash":null,"version_hash":null,"version":1,"sources":[],"falsifiers":[],"tier":null,"backed":null,"transcludes":null,"chain_head":"8257827c8d4a623fe322a4c4c83a590bd1976c0d2ff24f24822eec172a040424","chain_length":1,"chain":[{"n":1,"op":"genesis","ts":"2026-07-17T02:36:49.592Z","actor":"owner","text_sha":"e488f46ce0159f872c0dbb9f64ae6e0dda6d4b974d5d368713dd4b065d647f41","detail":{"divided_from":"body","block":27,"kind":"p"},"prev":"genesis","hash":"8257827c8d4a623fe322a4c4c83a590bd1976c0d2ff24f24822eec172a040424"}],"claim_ids":[],"last_op":{"op":"genesis","actor":"owner","ts":"2026-07-17T02:36:49.592Z"},"consolidated_into":null,"stable_url":"https://miscsubjects.com/i/div/oip-what-is-an-api/d27"},{"id":"d28","kind":"p","type":null,"order":28,"text":"**Exposing internals.** An API should reflect the consumer's model, not the database schema. If your endpoint names match your table names, you leaked your internals. The API is a translation layer, not a window.","status":"active","vx_hash":"b2dcae6f11191e502ec2ffd1b498780a7d4631a540fd2bead3779c93c44f65c8","semantic_hash":null,"version_hash":null,"version":1,"sources":[],"falsifiers":[],"tier":null,"backed":null,"transcludes":null,"chain_head":"bf8112869cebe3ced1459b072bb89b952b971bc70285ac3f94b52c1b1a46166d","chain_length":1,"chain":[{"n":1,"op":"genesis","ts":"2026-07-17T02:36:49.592Z","actor":"owner","text_sha":"3739d37b7aa89020baef5e327ca532716d3bcaf9e4dd9c18234822dc0cc861c5","detail":{"divided_from":"body","block":28,"kind":"p"},"prev":"genesis","hash":"bf8112869cebe3ced1459b072bb89b952b971bc70285ac3f94b52c1b1a46166d"}],"claim_ids":[],"last_op":{"op":"genesis","actor":"owner","ts":"2026-07-17T02:36:49.592Z"},"consolidated_into":null,"stable_url":"https://miscsubjects.com/i/div/oip-what-is-an-api/d28"},{"id":"d29","kind":"p","type":null,"order":29,"text":"**Skipping rate limits.** Without rate limits, one bad actor or one infinite loop can take down your service. Rate limits are guardrails, not punishments. Build them before you need them.","status":"active","vx_hash":"25443c7b4858a53cafba9d904902a03abf28eb6f6ccf8134835036cf7cecac3f","semantic_hash":null,"version_hash":null,"version":1,"sources":[],"falsifiers":[],"tier":null,"backed":null,"transcludes":null,"chain_head":"3718f4f9580c70cf0d54c6df614e28071244b28600ae3230c3ac751ccc361658","chain_length":1,"chain":[{"n":1,"op":"genesis","ts":"2026-07-17T02:36:49.592Z","actor":"owner","text_sha":"eefe442c5ecc3328047681220d30769f08a33df473dc68c5390ab06986eb9308","detail":{"divided_from":"body","block":29,"kind":"p"},"prev":"genesis","hash":"3718f4f9580c70cf0d54c6df614e28071244b28600ae3230c3ac751ccc361658"}],"claim_ids":[],"last_op":{"op":"genesis","actor":"owner","ts":"2026-07-17T02:36:49.592Z"},"consolidated_into":null,"stable_url":"https://miscsubjects.com/i/div/oip-what-is-an-api/d29"},{"id":"d30","kind":"h","type":null,"order":30,"text":"## Connection to OIP","status":"active","vx_hash":"b6a35627b9662af01de24e3662acc1b2a4fb53f009cf787d0ef140a93eb4bcd4","semantic_hash":null,"version_hash":null,"version":1,"sources":[],"falsifiers":[],"tier":null,"backed":null,"transcludes":null,"chain_head":"2cd818297803a5778b47b4a1061c0a655c92f4fac7181aef2a5c032336665ba8","chain_length":1,"chain":[{"n":1,"op":"genesis","ts":"2026-07-17T02:36:49.592Z","actor":"owner","text_sha":"c9807008f0135b4507b1ebcb8c74e6923470ad5c384b337838f1ffbe3dcb9cee","detail":{"divided_from":"body","block":30,"kind":"h"},"prev":"genesis","hash":"2cd818297803a5778b47b4a1061c0a655c92f4fac7181aef2a5c032336665ba8"}],"claim_ids":[],"last_op":{"op":"genesis","actor":"owner","ts":"2026-07-17T02:36:49.592Z"},"consolidated_into":null,"stable_url":"https://miscsubjects.com/i/div/oip-what-is-an-api/d30"},{"id":"d31","kind":"p","type":null,"order":31,"text":"OIP is the Open Interoperability Protocol. Its core belief: systems should be open, deterministic, and auditable.","status":"active","vx_hash":"7d7bc4704211982edf97f8da4b5c207980a7d588847e03e903c63f25b7aafcaf","semantic_hash":null,"version_hash":null,"version":1,"sources":[],"falsifiers":[],"tier":null,"backed":null,"transcludes":null,"chain_head":"2abe55607a5091d92419d9075256e03cf5dc7e1f8fca3434ea431d02b8a49e06","chain_length":1,"chain":[{"n":1,"op":"genesis","ts":"2026-07-17T02:36:49.592Z","actor":"owner","text_sha":"69e82e7b698fc07726e716b3364e39623504e6e92603880d00dd2264785b730c","detail":{"divided_from":"body","block":31,"kind":"p"},"prev":"genesis","hash":"2abe55607a5091d92419d9075256e03cf5dc7e1f8fca3434ea431d02b8a49e06"}],"claim_ids":[],"last_op":{"op":"genesis","actor":"owner","ts":"2026-07-17T02:36:49.592Z"},"consolidated_into":null,"stable_url":"https://miscsubjects.com/i/div/oip-what-is-an-api/d31"},{"id":"d32","kind":"p","type":null,"order":32,"text":"An API embodies all three.","status":"active","vx_hash":"4c127bf5795faa779e20d25d2973e9ee45c557481e92f1c87620aa2252dbae49","semantic_hash":null,"version_hash":null,"version":1,"sources":[],"falsifiers":[],"tier":null,"backed":null,"transcludes":null,"chain_head":"6ed3aeb97589724e5cbb6a60f19ab0384a8ec6575aa1823c0ea2998880be3e97","chain_length":1,"chain":[{"n":1,"op":"genesis","ts":"2026-07-17T02:36:49.592Z","actor":"owner","text_sha":"3a8b3be286234ab8f9e173291c26066d08c1ff287aeda552f7d1200002f64ce2","detail":{"divided_from":"body","block":32,"kind":"p"},"prev":"genesis","hash":"6ed3aeb97589724e5cbb6a60f19ab0384a8ec6575aa1823c0ea2998880be3e97"}],"claim_ids":[],"last_op":{"op":"genesis","actor":"owner","ts":"2026-07-17T02:36:49.592Z"},"consolidated_into":null,"stable_url":"https://miscsubjects.com/i/div/oip-what-is-an-api/d32"},{"id":"d33","kind":"p","type":null,"order":33,"text":"**Open.** The contract is published. Any system that speaks the contract can participate. No gatekeeping. No hidden logic. The API is the open door.","status":"active","vx_hash":"5685e9c3f11118cceb77c5d91d6cc25b46e6ed7329ca03a758d69e2918a865fd","semantic_hash":null,"version_hash":null,"version":1,"sources":[],"falsifiers":[],"tier":null,"backed":null,"transcludes":null,"chain_head":"c29d00c1241050e10f925a92eaf073768f7e019aa3afbe777138a590aa2e1e1a","chain_length":1,"chain":[{"n":1,"op":"genesis","ts":"2026-07-17T02:36:49.592Z","actor":"owner","text_sha":"13b58a3d16280bc1f6c60bf13627deab4b4b7400fd89b7136d01aa938d70c691","detail":{"divided_from":"body","block":33,"kind":"p"},"prev":"genesis","hash":"c29d00c1241050e10f925a92eaf073768f7e019aa3afbe777138a590aa2e1e1a"}],"claim_ids":[],"last_op":{"op":"genesis","actor":"owner","ts":"2026-07-17T02:36:49.592Z"},"consolidated_into":null,"stable_url":"https://miscsubjects.com/i/div/oip-what-is-an-api/d33"},{"id":"d34","kind":"p","type":null,"order":34,"text":"**Deterministic.** The same request always produces the same result. No hidden state. No random behavior. The API is a pure function across a network boundary. Predictability is the foundation of trust.","status":"active","vx_hash":"19031348120cfebc07d7eb68290472394c69d71bbe2f22d62c26bc5077875102","semantic_hash":null,"version_hash":null,"version":1,"sources":[],"falsifiers":[],"tier":null,"backed":null,"transcludes":null,"chain_head":"cd58c24d180d0a757d85d06ef4b6e1439be55dfa0079404d9f12f03d672fb7e8","chain_length":1,"chain":[{"n":1,"op":"genesis","ts":"2026-07-17T02:36:49.592Z","actor":"owner","text_sha":"bcfd9f476a8c9eb2216c242f942af03b579f48fddf334950f319e252f9c6b946","detail":{"divided_from":"body","block":34,"kind":"p"},"prev":"genesis","hash":"cd58c24d180d0a757d85d06ef4b6e1439be55dfa0079404d9f12f03d672fb7e8"}],"claim_ids":[],"last_op":{"op":"genesis","actor":"owner","ts":"2026-07-17T02:36:49.592Z"},"consolidated_into":null,"stable_url":"https://miscsubjects.com/i/div/oip-what-is-an-api/d34"},{"id":"d35","kind":"p","type":null,"order":35,"text":"**Auditable.** Every request and response is loggable. Every status code is inspectable. When something breaks, you can trace the exact call, the exact payload, and the exact response. There is no mystery. The API makes the invisible visible.","status":"active","vx_hash":"f4e8610aeed8e6edff98721736c4e1ee72a363bed566ebafcc277c4e2afcf360","semantic_hash":null,"version_hash":null,"version":1,"sources":[],"falsifiers":[],"tier":null,"backed":null,"transcludes":null,"chain_head":"12fbedfae72508fc36907a951b35a52bee77f1e3116adf4581b4db61a5e326bb","chain_length":1,"chain":[{"n":1,"op":"genesis","ts":"2026-07-17T02:36:49.592Z","actor":"owner","text_sha":"0e11ccbcc4d254d894ec69b41d570a7f0a0e2d7a093b19658182781d3af67830","detail":{"divided_from":"body","block":35,"kind":"p"},"prev":"genesis","hash":"12fbedfae72508fc36907a951b35a52bee77f1e3116adf4581b4db61a5e326bb"}],"claim_ids":[],"last_op":{"op":"genesis","actor":"owner","ts":"2026-07-17T02:36:49.592Z"},"consolidated_into":null,"stable_url":"https://miscsubjects.com/i/div/oip-what-is-an-api/d35"},{"id":"d36","kind":"p","type":null,"order":36,"text":"In OIP, an API is not a convenience. It is a constitutional requirement. Systems that do not expose clean, versioned, deterministic APIs cannot participate in the protocol. They are opaque. Opaque systems are untrustworthy systems. The API is the boundary between opacity and interoperability.","status":"active","vx_hash":"15003893af6d60698b0bbe70dac7a059edda2805dbdefc848ea450b85bb2beb9","semantic_hash":null,"version_hash":null,"version":1,"sources":[],"falsifiers":[],"tier":null,"backed":null,"transcludes":null,"chain_head":"6b9bc2af79a22faa92ced6dcb510dcc888c143650d6f6172fda176668cf5759c","chain_length":1,"chain":[{"n":1,"op":"genesis","ts":"2026-07-17T02:36:49.592Z","actor":"owner","text_sha":"90ab0754598f7a4724ebf7cce4637127c993e4b7dea2497e038fcc070a46c719","detail":{"divided_from":"body","block":36,"kind":"p"},"prev":"genesis","hash":"6b9bc2af79a22faa92ced6dcb510dcc888c143650d6f6172fda176668cf5759c"}],"claim_ids":[],"last_op":{"op":"genesis","actor":"owner","ts":"2026-07-17T02:36:49.592Z"},"consolidated_into":null,"stable_url":"https://miscsubjects.com/i/div/oip-what-is-an-api/d36"},{"id":"d37","kind":"h","type":null,"order":37,"text":"## Connection to the Grain Philosophy","status":"active","vx_hash":"dbfdbfe1f282a885371d496b9a95ed8f6534bed7b8eb32436c50fecfb8792b38","semantic_hash":null,"version_hash":null,"version":1,"sources":[],"falsifiers":[],"tier":null,"backed":null,"transcludes":null,"chain_head":"26051bf88f426dd6926ebac2bd5f22eb4f947275cc38f53d8119218d4e5dfbdd","chain_length":1,"chain":[{"n":1,"op":"genesis","ts":"2026-07-17T02:36:49.592Z","actor":"owner","text_sha":"7cf89d4e08a558ae1043f7e5a55684291a237ab3124dda10f5738e251110391b","detail":{"divided_from":"body","block":37,"kind":"h"},"prev":"genesis","hash":"26051bf88f426dd6926ebac2bd5f22eb4f947275cc38f53d8119218d4e5dfbdd"}],"claim_ids":[],"last_op":{"op":"genesis","actor":"owner","ts":"2026-07-17T02:36:49.592Z"},"consolidated_into":null,"stable_url":"https://miscsubjects.com/i/div/oip-what-is-an-api/d37"},{"id":"d38","kind":"p","type":null,"order":38,"text":"This API is the interface layer for [the Grain philosophy](/a/philosophy) — a living system of self-describing voxels that grows, corrects itself, and expands. The OIP serves the philosophy. The philosophy is the core.","status":"active","vx_hash":"1d1bb576a38a5312e47b0746b5d5fa2bac2c73809e029388c6b771c10d467182","semantic_hash":null,"version_hash":null,"version":1,"sources":[],"falsifiers":[],"tier":null,"backed":null,"transcludes":null,"chain_head":"12e18f9d72c0c7b4a92a989bb1ba6bc7a3b85df890a5a853e512cb3b8ec0b469","chain_length":1,"chain":[{"n":1,"op":"genesis","ts":"2026-07-17T02:36:49.592Z","actor":"owner","text_sha":"29c5c6279a23ccc1eab9d402c003d8ed8b30c10874015a392b15446ede539db7","detail":{"divided_from":"body","block":38,"kind":"p"},"prev":"genesis","hash":"12e18f9d72c0c7b4a92a989bb1ba6bc7a3b85df890a5a853e512cb3b8ec0b469"}],"claim_ids":[],"last_op":{"op":"genesis","actor":"owner","ts":"2026-07-17T02:36:49.592Z"},"consolidated_into":null,"stable_url":"https://miscsubjects.com/i/div/oip-what-is-an-api/d38"}],"voxels":[{"id":"c1","div_id":"claim:c1","kind":"claim","text":"**An API is a contract.** Two systems agree to speak through a narrow, unambiguous doorway. 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Get it wrong, and every consumer becomes a co-owner of your bugs.","tier":"system","standing":null,"weight":0.8,"status":"active","source_ids":["s1"],"posted_by":null,"who_claims":null,"edges":[{"type":"supported_by","target":"s1","source_type":"adjacent","hash":null}],"content_hash":null,"stable_url":"https://miscsubjects.com/i/claim/oip-what-is-an-api/c3","machine_url":"https://miscsubjects.com/api/articles/oip-what-is-an-api/claims/c3"}],"sources":[{"id":"s1","type":"adjacent","url":"https://miscsubjects.com/a/oip-what-is-an-api","title":"What Is an API","quote":"**An API is a contract.** Two systems agree to speak through a narrow, unambiguous doorway. One sends a precisely shaped request. The other returns a precisely shaped response. Nothing else enters. 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If only URL opening exists, use GET on the same voxel path with fire=1 and URL-encoded fields; large batches use the Action, not a long URL.","divide":"POST https://miscsubjects.com/api/protocol/voxel-divide {\"slug\":\"oip-what-is-an-api\",\"key\":\"<token>\"} — atomize the body into DIVs (verbatim, roundtrip-checked, idempotent). act scope suffices; content is unchanged by dividing.","edit":"POST https://miscsubjects.com/api/protocol/voxel-edit {\"slug\":\"oip-what-is-an-api\",\"div_id\":\"d3\",\"expected_hash\":\"<that div's CURRENT vx_hash>\",\"text\":\"<new verbatim text>\",\"actor\":\"<your model name>\",\"key\":\"<voxel-scoped token>\"} — stale hash → 409 hash_stale with the current text+hash.","move":"POST https://miscsubjects.com/api/protocol/voxel-move {\"slug\":\"oip-what-is-an-api\",\"div_id\":\"d3\",\"expected_order\":<current order>,\"direction\":\"up|down\",\"key\":\"<voxel-scoped token>\"} — stale order → 409 order_stale with the current layout.","consolidate":"POST https://miscsubjects.com/api/protocol/voxel-consolidate {\"slug\":\"oip-what-is-an-api\",\"div_ids\":[\"d3\",\"d4\"],\"expected_hashes\":[\"<d3 hash>\",\"<d4 hash>\"],\"text\":\"<optional merged text>\",\"actor\":\"<model>\",\"key\":\"<voxel-scoped token>\"}","challenge":"POST https://miscsubjects.com/api/protocol/voxel-challenge {\"slug\":\"oip-what-is-an-api\",\"expected_thread_head\":\"<thread_head from /discourse>\",\"target_div\":\"d3\",\"expected_hash\":\"<d3 hash>\",\"stance\":\"challenge|support|upgrade\",\"body\":\"<steelmanned objection>\",\"actor\":\"<model>\"} — open intake, no key needed. Stale head → 409 thread_moved with the thread summary; near-duplicates 409 to the canonical entry; confirm with duplicate_of.","attest":"POST https://miscsubjects.com/api/protocol/voxel-attest {\"slug\":\"oip-what-is-an-api\",\"outcome\":\"novel_objection|duplicate_confirm|upgrade_proposal|nothing_to_add\",\"content_hash\":\"<the body sha you read>\",\"actor\":\"<model>\"} — the four-outcome close of a keyed read. A norm, not a lock: reading stays free; only an artifact proves reading.","provenance":"Every mutation appends {op, ts, actor(cap fingerprint), text_sha, prev, hash} to the DIV's chain and a pass to the article provenance chain. Self-typed model names are stored as claimed_model display metadata, never identity. Verify: GET /api/articles/oip-what-is-an-api/voxels — chains recomputed from genesis, never trusted.","batch":"POST https://miscsubjects.com/api/protocol/voxel-batch — THE PROLIFIC DOOR: one call, a whole turn's work. Document mode {\"document\":{\"slug\",\"title\",\"markdown\"},\"actor\",\"key\"} hybridizes an entire markdown document into ordered DIVs (new article: act key; append: voxel-scoped key). Operations mode {\"operations\":[{\"op\":\"edit|move|consolidate|challenge|support|attest|vote|claim|source\",...}],\"key\"} runs up to 300 ops with per-op receipts. Append your session's output to the ledger, not the chat. Format precedent: https://miscsubjects.com/a/append-protocol","vote":"POST https://miscsubjects.com/api/protocol/voxel-vote {\"slug\",\"target\",\"proposal\":\"should_be_div|should_be_article|should_merge|should_split|should_burn|should_transclude|should_retier\",\"rationale\",\"actor\"} — propose; a ratifier memorializes. POST https://miscsubjects.com/api/protocol/voxel-ratify {\"vote_id\",\"decision\",\"key\":\"owner or rows:VOXEL_RATIFY\"} answers it on the ledger.","burn":"POST https://miscsubjects.com/api/protocol/voxel-burn {\"ids\":[...]|\"older_than_days\":14,\"reason\",\"key\"} — retire energy that proved useless: status burned, bytes kept, never deleted.","discourse":"GET https://miscsubjects.com/api/articles/oip-what-is-an-api/discourse — every filed objection/support/attestation, OPEN first. Human side renders the same index at /a/oip-what-is-an-api#disc-<id>.","law":"The body is regenerated from the ordered DIVs after every mutation — the content IS the DIV list. Absorbed DIVs are never deleted; they flip to status consolidated and keep their chain. End a write turn by handing the human the link the response gives you."},"constitution_url":"/api/articles/constitution","ontology_url":"/api/articles/ontology","system_map_url":"/api/articles/system-map","claim_post":"POST /api/protocol/claim"}