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MIME Types List & Lookup
x402
MIME Types List & Lookup is a paid API for AI agents from intel.rallylive.ca, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-14).
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.
Price / call$0.01
Success—
StatusUnknown
How this service works
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.
Output
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.
Example use cases
Set correct Content-Type for uploads
“My API accepts file uploads and I need to set the right Content-Type header — what's the correct MIME type for .xlsx files?”
Validate accepted image formats
“Can you list all image MIME types so I can build a whitelist for validating image uploads in my web app?”
Resolve file extension from MIME type
“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?”
Technical details
Endpoint
GEThttps://intel.rallylive.ca/dev/mime-listWhen to prefer
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.
Side effects
- 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
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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