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Read the canonical metadata trace for a run

GET
/katara/v1/orgs/{org_id}/environments/{environment_id}/runs/{id}/trace
curl --request GET \
--url 'https://api.katara.com/katara/v1/orgs/2489E9AD-2EE2-8E00-8EC9-32D5F69181C0/environments/2489E9AD-2EE2-8E00-8EC9-32D5F69181C0/runs/2489E9AD-2EE2-8E00-8EC9-32D5F69181C0/trace?limit=25' \
--header 'Authorization: Bearer <token>'

Requires synapse:runs:read and current run visibility, including key resource restrictions and environment reset. Returns canonical metadata only. Delivery records the last acknowledged trace projection, not engine availability or billing settlement. Current producers cover terminal runs, recorded inference outcomes, frozen policy decisions and managed tool outcomes. No private engine URL, project selector, prompt, response or claim credential is exposed.

org_id
required
string format: uuid
/^[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12}$/
Allowed value: 00000000-0000-0000-0000-000000000000
environment_id
required
string format: uuid
/^[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12}$/
Allowed value: 00000000-0000-0000-0000-000000000000
id
required
string format: uuid
/^[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12}$/
Allowed value: 00000000-0000-0000-0000-000000000000
X-Katara-Account-ID
string format: uuid
/^[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12}$/

Optional for reads after sign-in. Use the UUID of the account that loaded the application. A different current cookie account returns account_changed before the handler runs. Session bearer and API key clients do not require this header.

after
string format: uuid
/^[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12}$/
Allowed value: 00000000-0000-0000-0000-000000000000
limit
integer
default: 25 >= 1 <= 100

Successful request

Media typeapplication/json
object
org_id
required
string format: uuid
/^[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12}$/
Allowed value: 00000000-0000-0000-0000-000000000000
environment_id
required
string format: uuid
/^[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12}$/
Allowed value: 00000000-0000-0000-0000-000000000000
run_id
required
string format: uuid
/^[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12}$/
Allowed value: 00000000-0000-0000-0000-000000000000
data
required
Array<object>
<= 100 items unique items
object
event
required
object
schema_version
required
Allowed value: 1
org_id
required
string format: uuid
/^[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12}$/
Allowed value: 00000000-0000-0000-0000-000000000000
environment_id
required
string format: uuid
/^[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12}$/
Allowed value: 00000000-0000-0000-0000-000000000000
id
required
string format: uuid
/^[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12}$/
Allowed value: 00000000-0000-0000-0000-000000000000
run_id
required
string format: uuid
/^[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12}$/
Allowed value: 00000000-0000-0000-0000-000000000000
action_id
string format: uuid
/^[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12}$/
Allowed value: 00000000-0000-0000-0000-000000000000
usage_record_id

Exact scoped reservation/outcome record. Its presence does not imply a settled charge.

string format: uuid
/^[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12}$/
Allowed value: 00000000-0000-0000-0000-000000000000
mode
required
Allowed values: test live
usage_class
required
Allowed values: simulation test_compute live
reset_generation
required
integer
>= 1 <= 9007199254740991
kind
required
Allowed values: run model tool memory policy retrieval evaluation sandbox
outcome
required
Allowed values: completed failed denied cancelled unknown waiting
reason
required
Allowed values: none permission_denied budget_exhausted approval_required dependency_unavailable timeout cancelled output_invalid effect_unknown execution_failed
run_started_at
required
string format: date-time
/^\d{4}-\d\d-\d\dT\d\d:\d\d:\d\d(?:\.\d{1,3})?Z$/
started_at
required
string format: date-time
/^\d{4}-\d\d-\d\dT\d\d:\d\d:\d\d(?:\.\d{1,3})?Z$/
ended_at
required
string format: date-time
/^\d{4}-\d\d-\d\dT\d\d:\d\d:\d\d(?:\.\d{1,3})?Z$/
agent
required
object
id
required
string format: uuid
/^[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12}$/
Allowed value: 00000000-0000-0000-0000-000000000000
version
required
integer
>= 1 <= 9007199254740991
integrity
required
string
/^sha256:[a-f0-9]{64}$/
implementation
object
id
required
string format: uuid
/^[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12}$/
Allowed value: 00000000-0000-0000-0000-000000000000
version
required
integer
>= 1 <= 9007199254740991
integrity
required
string
/^sha256:[a-f0-9]{64}$/
policy
object
id
required
string format: uuid
/^[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12}$/
Allowed value: 00000000-0000-0000-0000-000000000000
version
required
integer
>= 1 <= 9007199254740991
integrity
required
string
/^sha256:[a-f0-9]{64}$/
memory
object
id
required
string format: uuid
/^[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12}$/
Allowed value: 00000000-0000-0000-0000-000000000000
version
required
integer
>= 1 <= 9007199254740991
integrity
required
string
/^sha256:[a-f0-9]{64}$/
counts
required
object
input_tokens
required
integer
<= 9007199254740991
output_tokens
required
integer
<= 9007199254740991
items
required
integer
<= 9007199254740991
integrity
required
string
/^sha256:[a-f0-9]{64}$/
source_version
required
integer
>= 1 <= 9007199254740991
delivery
required
Allowed values: pending delivered unavailable
next_cursor
string format: uuid
/^[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12}$/
Allowed value: 00000000-0000-0000-0000-000000000000
Example
{
"data": [
{
"event": {
"schema_version": 1,
"mode": "test",
"usage_class": "simulation",
"kind": "run",
"outcome": "completed",
"reason": "none"
},
"delivery": "pending"
}
]
}

Account_changed: reload and review with the signed-in account.

Request error

Media typeapplication/json
object
error
required
object
message
required
string
>= 1 characters <= 500 characters
type
required
string
>= 1 characters <= 100 characters
code
required

Stable; branch on it. Any operation can answer invalid_request, with param naming the refused field when there is one; human_session_required, when an API key, service account or workload calls an operation only a signed-in person may perform; reauthentication_required, when a person’s sign-in is too old for the operation; permission_denied; route_not_found and method_not_allowed, when no operation matches the path or method; and feature_unavailable, when the operation’s service is not enabled on this deployment.

string
>= 1 characters <= 100 characters
param
required

The request field a refusal is about, such as the agent_id or run_id query parameter; null when the refusal is not about one field.

string | null
request_id
required
string
>= 1 characters <= 100 characters
upstream_status
required
integer | null
action
Allowed values: sign_in reauthenticate request_access review fund retry reconcile refresh support
operation_id
string format: uuid
/^[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12}$/
Allowed value: 00000000-0000-0000-0000-000000000000
snapshot_ref
string format: uuid
/^[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12}$/
Allowed value: 00000000-0000-0000-0000-000000000000
Example
{
"error": {
"action": "sign_in"
}
}