{"uid":"cap_08WQwEuHWiJWo4gtPCnCb","slug":"agenttools-http-status-code-lookup-f242a3d2","name":"AgentTools HTTP Status Code Lookup","description":"Reference database of HTTP response status codes with phrase, category and explanation. Look up a specific code or list a whole category (1xx–5xx). Use this when an agent needs to look up any HTTP status code's meaning.","url":"https://agentstoolshub.com/api/v1/dev/http-status-codes?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":[],"properties":{"code":{"type":"number","description":"Leave empty to list by category"},"limit":{"type":"number","description":"Max rows"},"category":{"enum":["","informational","success","redirect","client-error","server-error"],"type":"string","description":"Category"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_-7-acEI-hYVd0SEQcR9f-","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the phrase, category, and explanation for any HTTP status code, or lists all codes within a given category (1xx–5xx).","exampleAgentPrompt":"What does HTTP status code 429 mean — can you look it up and give me the official phrase, category, and explanation?","exampleUseCases":[{"title":"Debugging an unexpected API error","prompt":"My API is returning a 502 status — can you look up what that means, which category it falls under, and what typically causes it?"},{"title":"Building an HTTP error reference guide","prompt":"Can you list all the server-error HTTP status codes (the 5xx ones) with their names and explanations so I can include them in our developer docs?"},{"title":"Understanding a redirect response","prompt":"I'm seeing a 301 status code in my logs — what's the official HTTP phrase for that and what does it mean?"}],"resultDescription":"Returns an object containing the status code's standard phrase (e.g. 'Not Found'), its category (e.g. 'client-error'), and a human-readable explanation of its meaning. When listing by category, returns an array of all matching codes with the same fields for each.","failureModes":["Unknown or invalid status code number returns empty or error response","Category enum value misspelled or not matching allowed values causes validation error","Requesting a code outside standard HTTP ranges may return no result","Rate limiting or payment failure may prevent the call from completing"],"whenToPreferThis":"Use this endpoint when an agent or developer needs a quick, structured, authoritative lookup of any HTTP status code's meaning, phrase, and category — especially useful during error handling, log analysis, documentation generation, or debugging workflows. Prefer this over web search when you need machine-readable structured output rather than prose.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T12:50:28.362Z","isFirstParty":false,"canonicalSlug":"agenttools-http-status-code-lookup-f242a3d2"}