StableStudio Vercel Blob Upload Token

by StableStudio·Docs ↗Website ↗API ↗

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StableStudio Vercel Blob Upload Token is a paid API for AI agents from StableStudio at stablestudio.dev, paid per call via MPP or x402, $0.01/call, status unknown (last checked 2026-10-12, last successful call 2026-06-02).

Issues a short-lived Vercel Blob client token so files (images, video, audio) can be uploaded directly from the client without routing through the server

Price / call$0.01

Seller volume →—

Success100%

StatusUnknown

How this service works

Get a client token for direct upload to Vercel Blob

Output

Returns an uploadId (UUID), a short-lived clientToken for authenticating a direct PUT to Vercel Blob, the destination pathname, an expiry timestamp, and a ready-to-use curl command illustrating how to perform the upload.

Example use cases

Example prompt

“I need to upload a PNG image called 'portrait.png' that's 102400 bytes — can you get me a Vercel Blob client upload token from StableStudio so I can send it directly?”

Technical details

Endpoint

POSThttps://stablestudio.dev/api/upload?utm_source=zero.xyz

When to prefer

Use this endpoint when you need to upload a raw media file (image, video, or audio) directly to Vercel Blob storage within the StableStudio platform — for example, before submitting an image-to-video or image-editing job that requires a hosted file URL. This is the correct first step in any workflow that requires uploading user-supplied media to StableStudio rather than providing an external URL.

Side effects

Missing required fields (filename or contentType) returns a 400 validation error
Unsupported contentType outside the allowed MIME enum returns a 400 error
Expired or invalid payment token returns a 402 Payment Required
Server-side Vercel Blob service unavailability returns a 503
Token may expire quickly (see expiresAt); uploading after expiry will be rejected by Vercel

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/2a3616dc-a5fa-4135-afff-f1a24dba872a/test_image.png",
  "uploadId": "2a3616dc-a5fa-4135-afff-f1a24dba872a",
  "expiresAt": "2026-05-29T01:01:41.132Z",
  "clientToken": "vercel_blob_client_wGUnICa1uHl5nIjM_YWVjMzMwYWRjZTNjNzgxZmQzZDE5ZDMzMGZjMzJmNjdiOTAyOTBkMGMyMDMxZDQ2MDQ1YzI1YjY4N2YwMmYzZS5leUp3WVhSb2JtRnRaU0k2SW5Wd2JHOWhaSE12TW1Fek5qRTJaR010WVRWbVlTMDBNVE0xTFdGbVptWXRaakZoTWpSa1ltRTROekpoTDNSbGMzUmZhVzFoWjJVdWNHNW5JaXdpWVd4c2IzZGxaRU52Ym5SbGJuUlVlWEJsY3lJNld5SnBiV0ZuWlM5d2JtY2lYU3dpYldGNGFXMTFiVk5wZW1WSmJrSjVkR1Z6SWpveU5qSXhORFF3TURBc0luWmhiR2xrVlc1MGFXd2lPakUzT0RBd01UWTFNREV4TXpKOQ==",
  "curlExample": "curl -X PUT \"https://vercel.com/api/blob/?pathname=uploads%2F2a3616dc-a5fa-4135-afff-f1a24dba872a%2Ftest_image.png\" -H \"authorization: Bearer vercel_blob_client_wGUnICa1uHl5nIjM_YWVjMzMwYWRjZTNjNzgxZmQzZDE5ZDMzMGZjMzJmNjdiOTAyOTBkMGMyMDMxZDQ2MDQ1YzI1YjY4N2YwMmYzZS5leUp3WVhSb2JtRnRaU0k2SW5Wd2JHOWhaSE12TW1Fek5qRTJaR010WVRWbVlTMDBNVE0xTFdGbVptWXRaakZoTWpSa1ltRTROekpoTDNSbGMzUmZhVzFoWjJVdWNHNW5JaXdpWVd4c2IzZGxaRU52Ym5SbGJuUlVlWEJsY3lJNld5SnBiV0ZuWlM5d2JtY2lYU3dpYldGNGFXMTFiVk5wZW1WSmJrSjVkR1Z6SWpveU5qSXhORFF3TURBc0luWmhiR2xrVlc1MGFXd2lPakUzT0RBd01UWTFNREV4TXpKOQ==\" -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"
  }
}

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