Generate presigned URLs batch
Signs upload URLs for up to 100 files in one call. results[i] always matches files[i], and a file that fails validation carries its own error instead of failing the whole request.
Authentication
AuthorizationBearer
Bearer token. Use `ss_live_…` for live data or `ss_test_…` for the sandbox (test mode). See [Authentication](https://docs.spreadspace.app/api/authentication).
Headers
SpreadSpace-Version
Pin the API version, e.g. `2026-07-19`. Omit to get the latest. See [Versioning](https://docs.spreadspace.app/api/versioning).
Request
This endpoint expects an object.
files
Response headers
X-Request-ID
Correlation ID for this request. Quote it in support tickets.
SpreadSpace-Version
The API surface version the server resolved for this request. Always present, regardless of whether the client supplied the request-side SpreadSpace-Version header. Default: 2026-07-19.
RateLimit-Limit
Request budget of the endpoint's rate-limit policy per 60-second sliding window. See [Rate limits](https://docs.spreadspace.app/api/rate-limits).
RateLimit-Remaining
Requests left in the current window. Suppressed on 429 responses produced outside the rate limiter (for example a usage throttle), where a remaining budget would be misleading.
RateLimit-Reset
Seconds until a guaranteed-fresh window.
RateLimit-Policy
The active policy in limit;w=window-seconds form.
Response
OK
results
Errors
400
Bad Request Error
401
Unauthorized Error
402
Payment Required Error
403
Forbidden Error
404
Not Found Error
429
Too Many Requests Error
500
Internal Server Error