{"openapi":"3.1.0","info":{"title":"Password Toolkit","version":"0.1.0","description":"Password strength estimation and secure generation (random or passphrase).","x-guidance":"Password strength estimation and secure generation (random or passphrase). Each operation is an HTTP POST to its /v1/<operation> path with a JSON request body (see each operation's requestBody schema) and returns a JSON response. Endpoints are paid per successful call via x402 or MPP (USDC on Base); an unpaid request returns 402 with payment metadata in the WWW-Authenticate header.","contact":{"email":"hello@openverbs.com"}},"x-discovery":{"ownershipProofs":["0xb1401a71756f51464a9962db12f1eb3e9522490cd20010b06d00cf7b7770acfd5f79721f9dfdf2643f8cecd29af3bde9ec133941a386042b32d9886053a70de61b","0xc1c1f11793e18a00fcb7072421f26e89fb75b6aa517fa84370564991f4b10efa024f6f57e4e67eefd20cf46cc01fc5a62d793fa8fbcda04f26c946a3433d73f91b","0x676b474af0ef9ed4809b5d12d2e789b36e52d56215b21f601d71f76620e36ec630347116a7b2b349a3c3681e5db0fbfa76c4169a676b6d6f27864d0e5017284a1c","0xc2ab96522515ed9e9bc4f1a241b774bd48df42e951ddbf7f6aa8fc76f5a96a20421703e1ec402ce7eb1e4eabea3b6e4e4129cf39d56ea91cf4fcf38561fc94fc1c"]},"servers":[{"url":"https://password.openverbs.com"}],"paths":{"/health":{"get":{"summary":"Health check","security":[],"responses":{"200":{"description":"Healthy","content":{"application/json":{"schema":{"type":"object","properties":{"ok":{"type":"boolean"},"service":{"type":"string"},"version":{"type":"string"}}}}}}}}},"/v1/strength":{"post":{"summary":"Password strength","description":"Estimate password strength: score, guesses, crack-time and feedback. Never stored. Paid endpoint (x402 + MPP). Price: $0.002000 USDC per successful payment.","tags":["password strength check","estimate password strength","zxcvbn password score","password crack time","password feedback api","credential strength analysis"],"requestBody":{"required":true,"content":{"application/json":{"schema":{"type":"object","properties":{"password":{"type":"string","minLength":1,"maxLength":512,"description":"The password to evaluate. Not logged or stored."},"userInputs":{"type":"array","items":{"type":"string","maxLength":128},"maxItems":50,"description":"Context terms (name, email, app) to penalize if present."}},"required":["password"],"additionalProperties":false}}}},"responses":{"200":{"description":"The `score` (0–4), `guessesLog10`, a `crackTime` map, and `warning`/`suggestions` feedback.","content":{"application/json":{"schema":{"type":"object","description":"The `score` (0–4), `guessesLog10`, a `crackTime` map, and `warning`/`suggestions` feedback."}}}},"400":{"description":"Invalid request; no payment is attempted"},"402":{"description":"Payment required; x402/MPP metadata returned in headers"},"502":{"description":"Upstream provider error after payment verification"}},"x-payment-info":{"amount":"2000","currency":"0x20c000000000000000000000b9537d11c60e8b50","description":"Estimate password strength: score, guesses, crack-time and feedback. Never stored.","method":"tempo","preferredOffer":"mpp-tempo","price":{"mode":"fixed","currency":"USD","amount":"0.002000"},"protocols":[{"x402":{"scheme":"exact","network":"eip155:8453","currency":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","recipient":"0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A"}},{"mpp":{"method":"evm","intent":"charge","network":"8453","currency":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","recipient":"0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A"}},{"mpp":{"method":"tempo","intent":"charge","network":"4217","currency":"0x20c000000000000000000000b9537d11c60e8b50","recipient":"0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A"}}],"network":"4217","recipient":"0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A","offers":[{"amount":"2000","currency":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"Estimate password strength: score, guesses, crack-time and feedback. Never stored.","intent":"charge","method":"evm","recipient":"0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A"},{"amount":"2000","currency":"0x20c000000000000000000000b9537d11c60e8b50","description":"Estimate password strength: score, guesses, crack-time and feedback. Never stored.","intent":"charge","method":"tempo","recipient":"0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A"}]}}},"/v1/generate":{"post":{"summary":"Generate password","description":"Generate a secure random password (characters) or a wordlist passphrase. Paid endpoint (x402 + MPP). Price: $0.002000 USDC per successful payment.","tags":["generate password","secure password generator","random password api","generate passphrase","diceware passphrase","password entropy generator"],"requestBody":{"required":true,"content":{"application/json":{"schema":{"type":"object","properties":{"mode":{"type":"string","enum":["chars","passphrase"],"description":"Generation mode. Defaults to chars."},"length":{"type":"integer","minimum":4,"maximum":256,"description":"chars mode: password length. Defaults to 20."},"lowercase":{"type":"boolean","description":"chars mode: include a-z. Defaults to true."},"uppercase":{"type":"boolean","description":"chars mode: include A-Z. Defaults to true."},"digits":{"type":"boolean","description":"chars mode: include 0-9. Defaults to true."},"symbols":{"type":"boolean","description":"chars mode: include punctuation. Defaults to false."},"excludeAmbiguous":{"type":"boolean","description":"chars mode: drop look-alike characters (i l 1 L o 0 O). Defaults to false."},"words":{"type":"integer","minimum":2,"maximum":20,"description":"passphrase mode: number of words. Defaults to 5."},"separator":{"type":"string","maxLength":8,"description":"passphrase mode: word separator. Defaults to \"-\"."},"capitalize":{"type":"boolean","description":"passphrase mode: capitalize each word. Defaults to false."}},"additionalProperties":false}}}},"responses":{"200":{"description":"The generated `password`, the `mode` used and its `entropyBits`.","content":{"application/json":{"schema":{"type":"object","description":"The generated `password`, the `mode` used and its `entropyBits`."}}}},"400":{"description":"Invalid request; no payment is attempted"},"402":{"description":"Payment required; x402/MPP metadata returned in headers"},"502":{"description":"Upstream provider error after payment verification"}},"x-payment-info":{"amount":"2000","currency":"0x20c000000000000000000000b9537d11c60e8b50","description":"Generate a secure random password (characters) or a wordlist passphrase.","method":"tempo","preferredOffer":"mpp-tempo","price":{"mode":"fixed","currency":"USD","amount":"0.002000"},"protocols":[{"x402":{"scheme":"exact","network":"eip155:8453","currency":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","recipient":"0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A"}},{"mpp":{"method":"evm","intent":"charge","network":"8453","currency":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","recipient":"0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A"}},{"mpp":{"method":"tempo","intent":"charge","network":"4217","currency":"0x20c000000000000000000000b9537d11c60e8b50","recipient":"0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A"}}],"network":"4217","recipient":"0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A","offers":[{"amount":"2000","currency":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"Generate a secure random password (characters) or a wordlist passphrase.","intent":"charge","method":"evm","recipient":"0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A"},{"amount":"2000","currency":"0x20c000000000000000000000b9537d11c60e8b50","description":"Generate a secure random password (characters) or a wordlist passphrase.","intent":"charge","method":"tempo","recipient":"0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A"}]}}}},"x-service-info":{"categories":["compute"],"docs":{"homepage":"https://password.openverbs.com","apiReference":"https://password.openverbs.com/openapi.json"}}}