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StableStudio Upload
x402
StableStudio Upload is a paid API for AI agents from stablestudio.io, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-14).
Requests a pre-signed upload token for submitting a file (e.g. an image) to StableStudio's Vercel Blob storage in preparation for AI image/video generation.
Price / call$0.01
Success—
StatusUnknown
How this service works
Get a client token for direct upload to Vercel Blob
Output
Returns a JSON object containing an uploadId (UUID), a pathname for the stored file, an expiry timestamp for the token, a Vercel blob client token for the actual PUT upload, and a ready-to-use curl command to perform the upload.
Example use cases
Example prompt
“I want to upload my photo 'portrait.jpg' to StableStudio so I can use it for AI image generation — can you get me an upload token for a JPEG file?”
Technical details
Endpoint
POSThttps://stablestudio.io/api/uploadWhen to prefer
Use this endpoint when you need to stage a file (image/video) into StableStudio's storage system before triggering AI generation. This is a prerequisite upload-initiation step, not the generation call itself. Prefer this when working within the StableStudio pay-per-generation pipeline on a pay-as-you-go basis without subscriptions.
Side effects
- Invalid or missing file metadata returns a 400 error
- Payment failure or insufficient USDC balance blocks the request
- Expired client token renders the upload URL unusable
- Unsupported content type may be rejected
- Network timeout during token generation
Input
{
"size": 102400,
"filename": "test-image.png",
"contentType": "image/png"
}Schema · Request body
| Field | Type | Description |
|---|---|---|
| size | number | File size in bytes (optional) |
| filename | string | Name of the file to upload |
| contentType | string | MIME type of the file |
Output
{
"pathname": "uploads/3e66a67e-d1f0-4d3e-8989-ed6dd791b701/test-image.png",
"uploadId": "3e66a67e-d1f0-4d3e-8989-ed6dd791b701",
"expiresAt": "2026-06-11T04:35:14.775Z",
"clientToken": "vercel_blob_client_wGUnICa1uHl5nIjM_OTEyNzRiNWQ3ZGUxNzU1NThmZDY0NGI1YTJkMDUxZGQ4NDk4YzNhMDc5NDBhOTQ2ZTQxMjdjNGZkOTMwNDU5MC5leUp3WVhSb2JtRnRaU0k2SW5Wd2JHOWhaSE12TTJVMk5tRTJOMlV0WkRGbU1DMDBaRE5sTFRnNU9Ea3RaV1EyWkdRM09URmlOekF4TDNSbGMzUXRhVzFoWjJVdWNHNW5JaXdpWVd4c2IzZGxaRU52Ym5SbGJuUlVlWEJsY3lJNld5SnBiV0ZuWlM5d2JtY2lYU3dpYldGNGFXMTFiVk5wZW1WSmJrSjVkR1Z6SWpveU5qSXhORFF3TURBc0luWmhiR2xrVlc1MGFXd2lPakUzT0RFeE5USTFNVFEzTnpWOQ==",
"curlExample": "curl -X PUT \"https://vercel.com/api/blob/?pathname=uploads%2F3e66a67e-d1f0-4d3e-8989-ed6dd791b701%2Ftest-image.png\" -H \"authorization: Bearer vercel_blob_client_wGUnICa1uHl5nIjM_OTEyNzRiNWQ3ZGUxNzU1NThmZDY0NGI1YTJkMDUxZGQ4NDk4YzNhMDc5NDBhOTQ2ZTQxMjdjNGZkOTMwNDU5MC5leUp3WVhSb2JtRnRaU0k2SW5Wd2JHOWhaSE12TTJVMk5tRTJOMlV0WkRGbU1DMDBaRE5sTFRnNU9Ea3RaV1EyWkdRM09URmlOekF4TDNSbGMzUXRhVzFoWjJVdWNHNW5JaXdpWVd4c2IzZGxaRU52Ym5SbGJuUlVlWEJsY3lJNld5SnBiV0ZuWlM5d2JtY2lYU3dpYldGNGFXMTFiVk5wZW1WSmJrSjVkR1Z6SWpveU5qSXhORFF3TURBc0luWmhiR2xrVlc1MGFXd2lPakUzT0RFeE5USTFNVFEzTnpWOQ==\" -H \"x-content-type: image/png\" -H \"x-api-version: 11\" --data-binary @<file>"
}Schema · Response
{
"type": "json",
"example": {
"pathname": "uploads/8eecdb7b-bd76-4054-94f9-94c9abb57eab/photo.jpg",
"uploadId": "8eecdb7b-bd76-4054-94f9-94c9abb57eab",
"expiresAt": "2026-05-18T20:11:05.273Z",
"clientToken": "vercel_blob_client_token_example_redacted",
"curlExample": "curl -X PUT \"https://vercel.com/api/blob/?pathname=uploads%2F8eecdb7b-bd76-4054-94f9-94c9abb57eab%2Fphoto.jpg\" -H \"authorization: Bearer <client-token>\" -H \"x-content-type: image/jpeg\" -H \"x-api-version: 11\" --data-binary @photo.jpg"
}
}Tags
x402
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