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Stream logs

GET
/api/v1/runs/{run_id}/logs/stream

Follow retained and live logs without treating stream closure as run completion.

Credential scopes: runs:read

Resource authority: Run submitter or current model owner/co-admin; model-administrator reads are audited. Connector administration and model execution grants alone confer no scientific read access.

Retry: Reconnect with either the saved Last-Event-ID or cursor, never both.

Guards: Credential and current model membership are rechecked before each buffered entry and idle poll.

Retain: Run identity and last delivered cursor; on retention gaps, recovery cursor.

Specific failures: 403 insufficient_scope; 404 not_found; 410 history_cursor_expired; auth_revoked stream event

Next action: Poll run inspection independently; show retention gaps when resuming. Worked workflow

Resume logs as the submitter or current model owner/co-admin from Last-Event-ID or cursor. Each log event has an opaque cursor ID. Durable polling joins replay and live delivery without a notification race. At most 32 entries are buffered; 128 streams per application are admitted. Credentials and current resource membership are rechecked before each buffered entry and idle poll. Keepalive comments arrive every 15 seconds. retention_gap supplies a recovery cursor; auth_revoked, source_unavailable and shutdown close the response. Silence or stream closure never establishes run completion.

run_id
required
string format: uuid

Run readable by its submitter or current model owner/co-admin.

cursor
string

A log history resume cursor. Mutually exclusive with Last-Event-ID.

Last-Event-ID
string | null

Resume strictly after this log cursor.

SSE log events with cursor IDs and bounded control events.

Media typetext/event-stream
string
Cache-Control
string

No-store

x-request-id
string

Always present. A fresh server-generated UUID for this request; incoming IDs are ignored. On errors, this equals the response body’s request_id.

Invalid, duplicate, conflicting or wrong-scope cursor.

Media typeapplication/json

The common JSON body for errors returned by the HTTP application.

object
code
required

Stable machine-readable error code.

string
details
One of:
null
message
required

Safe explanation without internal errors or submitted input values.

string
request_id
required

Matches the response’s x-request-id header.

string
Cache-Control
string

No-store

x-request-id
string

Always present. A fresh server-generated UUID for this request; incoming IDs are ignored. On errors, this equals the response body’s request_id.

Active user credential required.

Media typeapplication/json

The common JSON body for errors returned by the HTTP application.

object
code
required

Stable machine-readable error code.

string
details
One of:
null
message
required

Safe explanation without internal errors or submitted input values.

string
request_id
required

Matches the response’s x-request-id header.

string
Cache-Control
string

No-store

x-request-id
string

Always present. A fresh server-generated UUID for this request; incoming IDs are ignored. On errors, this equals the response body’s request_id.

The credential does not permit this operation (insufficient_scope).

Media typeapplication/json

The common JSON body for errors returned by the HTTP application.

object
code
required

Stable machine-readable error code.

string
details
One of:
null
message
required

Safe explanation without internal errors or submitted input values.

string
request_id
required

Matches the response’s x-request-id header.

string
Cache-Control
string

No-store

x-request-id
string

Always present. A fresh server-generated UUID for this request; incoming IDs are ignored. On errors, this equals the response body’s request_id.

Run absent or unauthorized.

Media typeapplication/json

The common JSON body for errors returned by the HTTP application.

object
code
required

Stable machine-readable error code.

string
details
One of:
null
message
required

Safe explanation without internal errors or submitted input values.

string
request_id
required

Matches the response’s x-request-id header.

string
Cache-Control
string

No-store

x-request-id
string

Always present. A fresh server-generated UUID for this request; incoming IDs are ignored. On errors, this equals the response body’s request_id.

History_cursor_expired. Resume with X-History-Recovery-Cursor and display the omitted prefix.

Media typeapplication/json

The common JSON body for errors returned by the HTTP application.

object
code
required

Stable machine-readable error code.

string
details
One of:
null
message
required

Safe explanation without internal errors or submitted input values.

string
request_id
required

Matches the response’s x-request-id header.

string
Cache-Control
string

No-store

X-History-Earliest-Position
integer format: int64

Earliest retained position, absent when empty.

X-History-Latest-Position
integer format: int64

Latest ever accepted position.

X-History-Recovery-Cursor
string

Cursor immediately before retained logs, or latest consumed position if empty.

x-request-id
string

Always present. A fresh server-generated UUID for this request; incoming IDs are ignored. On errors, this equals the response body’s request_id.

413: the request body exceeds the configured size limit.

Media typeapplication/json

The common JSON body for errors returned by the HTTP application.

object
code
required

Stable machine-readable error code.

string
details
One of:
null
message
required

Safe explanation without internal errors or submitted input values.

string
request_id
required

Matches the response’s x-request-id header.

string
Cache-Control
string

No-store

x-request-id
string

Always present. A fresh server-generated UUID for this request; incoming IDs are ignored. On errors, this equals the response body’s request_id.

All 128 stream slots are in use. Retry later.

Media typeapplication/json

The common JSON body for errors returned by the HTTP application.

object
code
required

Stable machine-readable error code.

string
details
One of:
null
message
required

Safe explanation without internal errors or submitted input values.

string
request_id
required

Matches the response’s x-request-id header.

string
Cache-Control
string

No-store

x-request-id
string

Always present. A fresh server-generated UUID for this request; incoming IDs are ignored. On errors, this equals the response body’s request_id.

Authentication or retained logs unavailable.

Media typeapplication/json

The common JSON body for errors returned by the HTTP application.

object
code
required

Stable machine-readable error code.

string
details
One of:
null
message
required

Safe explanation without internal errors or submitted input values.

string
request_id
required

Matches the response’s x-request-id header.

string
Cache-Control
string

No-store

x-request-id
string

Always present. A fresh server-generated UUID for this request; incoming IDs are ignored. On errors, this equals the response body’s request_id.

An HTTP request failed; inspect the stable error code and request ID.

Media typeapplication/json

The common JSON body for errors returned by the HTTP application.

object
code
required

Stable machine-readable error code.

string
details
One of:
null
message
required

Safe explanation without internal errors or submitted input values.

string
request_id
required

Matches the response’s x-request-id header.

string
Cache-Control
string

No-store

x-request-id
string

Always present. A fresh server-generated UUID for this request; incoming IDs are ignored. On errors, this equals the response body’s request_id.

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