{"uid":"cap_dQNFyJjqmUMlPfC16EYoW","slug":"kairo-agent-x402-api-password-strength-analyzer-c843cdf0","name":"Kairo Agent x402 API – Password Strength Analyzer","description":"Crypto-native ($0.02 USDC on Base, x402) utility endpoints for agents. No accounts, no KYC — pay-per-call.","url":"https://kairo-x402.onrender.com/api/strength","method":"GET","headers":{},"bodySchema":{"type":"object","required":["pw"],"properties":{"pw":{"type":"string","description":"String to analyze"}}},"responseSchema":{"type":"object","required":["length","pool","entropy_bits","verdict"],"properties":{"pool":{"type":"integer"},"length":{"type":"integer"},"verdict":{"type":"string"},"entropy_bits":{"type":"number"}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_fFwTA7Dtjew5hsI4qbGm7","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Analyzes a password string and returns its length, character pool size, entropy in bits, and a strength verdict","exampleAgentPrompt":"Can you check how strong the password 'Tr0ub4dor&3' is — I want to know its entropy in bits and whether it passes muster?","exampleUseCases":[{"title":"User account registration password check","prompt":"Before I create my account, can you analyze the password 'MyD0g$Nam3isR3x!' and tell me its entropy and whether it's strong enough to use?"},{"title":"Security audit of legacy credentials","prompt":"I'm auditing old system passwords — can you analyze 'admin123' and give me its entropy score and a verdict so I know if it needs to be replaced?"},{"title":"Password policy enforcement for developers","prompt":"We're building a signup form — can you run 'Summer2024!' through the strength analyzer and tell me the bit entropy and pool size so I can set our minimum requirements?"}],"resultDescription":"Returns a JSON object containing: the password's character length, the character pool size (number of distinct character classes used), the entropy in bits (floating point), and a plain-language verdict (e.g. 'weak', 'moderate', 'strong') indicating overall password quality.","failureModes":["Missing 'pw' query parameter returns a validation error","Empty string input may return zero entropy and a 'weak' verdict","Payment failure via x402 protocol results in 402 response before analysis is performed","Very long passwords may hit request size limits"],"whenToPreferThis":"Choose this endpoint when you need a quick, serverless, pay-per-call password entropy and strength assessment with no account setup or API key required — ideal for agents operating in crypto-native environments using the x402 payment protocol on Base. Prefer it over heavyweight security libraries when you want an external, objective verdict without embedding analysis logic locally.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-16T00:33:58.056Z","isFirstParty":false}