{"uid":"cap_h7lLDm46h0VfJ8-2pAiGu","slug":"password-strength-breach-inspector-cc72d1a8","name":"Password Strength & Breach Inspector","description":"Password strength and breach inspection: character classes, entropy bits, verdict, and Have-I-Been-Pwned breach count via k-anonymity (only a truncated hash prefix leaves the server; the password is never stored or logged).","url":"https://api.aventtech.com/inspect/password?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["password"],"properties":{"password":{"type":"string","description":"Password to inspect, max 200 chars"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"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_WyWzIYBrdRM0adnvG7aPu","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 for character classes, entropy bits, strength verdict, and checks it against Have I Been Pwned breach data using k-anonymity (only a hash prefix is sent, never the raw password).","exampleAgentPrompt":"Can you check the password 'Sunrise$2024!' — tell me how strong it is, what entropy it has, and whether it's ever shown up in a known data breach?","exampleUseCases":[{"title":"Pre-registration password policy check","prompt":"Before I allow this user to set their password 'BlueSky#99', can you inspect it for strength, entropy, and whether it's appeared in any known breach databases?"},{"title":"Security audit of legacy credentials","prompt":"I need to assess how secure the password 'dragon123' is — give me the character class breakdown, entropy in bits, a strength verdict, and how many times it's been found in breach datasets."},{"title":"User education on weak passwords","prompt":"Run an inspection on 'password' so I can show my users exactly why it's a bad choice — I want the entropy score, character classes, verdict, and how many breaches it's been exposed in."}],"resultDescription":"Returns a breakdown of the password's character classes (lowercase, uppercase, digits, symbols), entropy in bits, an overall strength verdict (e.g. weak/moderate/strong), and the number of times the password has appeared in known breach datasets — retrieved safely using k-anonymity so only a truncated SHA-1 hash prefix leaves the client.","failureModes":["Password exceeds 200 character limit — request rejected","Empty or missing password parameter — validation error returned","Have I Been Pwned API unavailable — breach count may be absent or endpoint returns partial results","Network timeout contacting HIBP k-anonymity range endpoint"],"whenToPreferThis":"Choose this endpoint when you need a combined password strength analysis AND breach exposure check in a single call, with privacy guaranteed via k-anonymity (the raw password is never transmitted to third parties). Prefer this over manual entropy calculations or separate HIBP queries when you need a structured verdict with entropy bits and character class detail in one response.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T00:33:33.212Z","isFirstParty":false,"canonicalSlug":"password-strength-breach-inspector-cc72d1a8"}