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POST
Start a multipart upload of one file into a dataset folder: returns signed part URLs to PUT the bytes to (never through AI Reserve)

Authorizations

Authorization
string
header
required

A management token: minted by the OAuth flow (aireserve login, or an MCP client's Authenticate step) or on the portal Keys page under Management Keys. Inference API keys are refused.

Body

application/json
datasetId
string
required

Dataset id or folder name

filename
string
required
Pattern: ^[A-Za-z0-9][A-Za-z0-9._-]{0,254}$
bytes
integer
required

Exact file size in bytes

Required range: 1 <= x <= 5497558138880
clientId
string<uuid>

Target organization id — platform admins only; omit otherwise

Pattern: ^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$
partSize
integer
Required range: 5242880 <= x <= 5368709120

Response

Executed successfully (ok: true).

status
enum<string>
required
Available options:
executed
ok
boolean
required

Whether the operation succeeded.

summary
string
required

The consent line describing what was done, built from resolved labels.

message
string
required

Human-readable result line.

data
any

Operation payload (reads) or detail worth relaying (writes).

secret
string

A one-time secret the operation minted (API key, credential). Shown once; store it now.

sensitive
enum<boolean>

Present exactly when secret is: redact this response from logs.

Available options:
true