{"uid":"cap_gElEzBYqo7EOz8hW17TX6","slug":"mime-types-list-lookup-b4f2eeb2","name":"MIME Types List & Lookup","description":"MIME type reference: list all types in a category (image, audio, video, text, application, font, office), or look up a single file extension or MIME type to get its counterpart. 100+ mappings for setting Content-Type correctly and validating uploads. $0.01 per lookup.","url":"https://intel.rallylive.ca/dev/mime-list","method":"GET","headers":{},"bodySchema":{"type":"object","$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","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_0c4VPWs5xFjg-EvFzh9we","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"List all MIME types in a category or look up a file extension/MIME type to get its counterpart, with 100+ mappings for Content-Type and upload validation.","exampleAgentPrompt":"What MIME type should I use for .webp image files, and can you also list all other image MIME types so I can validate uploads in my app?","exampleUseCases":[{"title":"Set correct Content-Type for uploads","prompt":"My API accepts file uploads and I need to set the right Content-Type header — what's the correct MIME type for .xlsx files?"},{"title":"Validate accepted image formats","prompt":"Can you list all image MIME types so I can build a whitelist for validating image uploads in my web app?"},{"title":"Resolve file extension from MIME type","prompt":"I have a file with MIME type application/vnd.oasis.opendocument.text and need to know what file extension it maps to — can you look that up?"}],"resultDescription":"Returns a list of MIME type mappings for the requested category (e.g. all image/* types with their file extensions), or for a single lookup returns the corresponding MIME type string or file extension. Each entry includes the MIME type string and associated file extension(s), useful for setting Content-Type headers or validating file uploads.","failureModes":["Unknown or unsupported category returns empty or error response","Invalid file extension with no known MIME mapping returns null or error","Malformed input causes 400 bad request","Payment not completed (x402) blocks response","Ambiguous extension with multiple MIME types may return only primary mapping"],"whenToPreferThis":"Use this endpoint when you need a reliable, comprehensive MIME type reference for setting HTTP Content-Type headers, validating file uploads, or resolving file extensions — especially in agent or automation workflows where hardcoding MIME mappings is impractical. Prefer over manual lookup tables when you need 100+ mappings covering image, audio, video, text, application, font, and office categories in a single call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T13:10:06.249Z","isFirstParty":false}