gateway.openapi_Gateway

Create a chunk-completion row on a TrainingSession (per-chunk distributions, dataset refs, checkpoints). Trainer-driven write; the server validates the parent session and materializes the row.

Changed on Oct 16, 2026

post/v1/accounts/{account_id}/trainingSessions/{training_session_id}/chunkOutputs

Request

Base URL
https://api.fireworks.ai
Auth
HTTP bearer
TypeScript
https://skmtc.dev/fw-ai-external/apis/gateway-rest-api/docs/v1/accounts/:account_id/trainingSessions/:training_session_id/chunkOutputs/post.ts
A function with typed inputs. Its response is checked against the schema.

Path parameters

account_idstring required

The Account Id

training_session_idstring required

The Training Session Id

Query parameters

trainingSessionChunkOutputIdstring

Optional client-chosen id; server generates one if empty. The natural key on the row is (session, step) — server rejects duplicates.

Request body

namestring

stepinteger

endOfEpochboolean

outputDatasetNamestring

checkpointPathstring

Server-signed URL (24h TTL) suitable for direct browser download. Empty string when signing is unavailable for the underlying object.

epochStreamlogPathstring

Server-signed URL (24h TTL). Empty when signing is unavailable.

epochIdstring

createTimestring date-time

updateTimestring date-time

Response

A successful response.