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Start an eval run against a suite

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POST
/v1/eval-suites/{suiteId}/runs
curl --request POST \
--url https://example.com/v1/eval-suites/example/runs \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '{ "projectId": "2489E9AD-2EE2-8E00-8EC9-32D5F69181C0", "agentRef": { "agentId": "example", "version": "example" }, "flowRef": { "flowId": "example", "version": "example" }, "dryRun": true, "correlationId": "example", "baseline": "recorded", "reads": "recorded", "repetitions": 1, "k": 1, "versions": { "tools": { "additionalProperty": "example" }, "agents": { "additionalProperty": "example" } }, "classWeights": "as-recorded", "overrides": { "settings": { "additionalProperty": {} }, "prompts": { "additionalProperty": { "template": "example" } } }, "sample": { "part": "search", "seed": "example", "holdOutShare": 1 } }'

Dispatches an eval run against the latest version of the suite. Exactly one of agentRef / flowRef is required — the subject the suite evaluates. Dispatch is per-kind: accuracy runs the subject once per case and grades via a configured judge; other kinds return 422 dispatcher-not-registered unless the deployment registers a dispatcher for them. Idempotency-Key applies.

suiteId
required
string
>= 1 characters

EvalSuiteId — stable string chosen by the caller (e.g. acme.drafting-accuracy).

Idempotency-Key
string
>= 1 characters

Caller-supplied idempotency key, scoped to the caller: the same key from someone else in the tenant is their own request (from 0.1.5). Retries with the same key return the original response byte-identical (per docs/API-ROUTE-CONVENTIONS.md §3.1). A retry sent while the first request still runs is answered 409 idempotency-key-in-flight with Retry-After, on a runtime whose store holds keys (from 0.1.5); retry after it, and you get the first request’s answer. An answer that carries a secret (a new API key or public run token, a session token, a generated signing secret) isn’t kept: a retry gets 409 idempotency-key-replay-withheld, with the first request’s status and when it succeeded (from 0.1.5).

Media typeapplication/json

Exactly one of agentRef or flowRef MUST be supplied. dryRun: true returns a plan preview without invoking the subject. For a judged suite (a test set), the run is a comparison: agentRef or flowRef with its version is the candidate, replayed on each case without doing anything the past run didn’t (a flow stops at a write the replay refuses); baseline (default 'recorded'), reads (default recorded), repetitions (default 1) and k (default 10) set how. With flowRef, versions runs the flow with some of its agents or tools at other versions; an id the flow doesn’t use, or a version that isn’t published, is refused (400 validation-failed, each under details.issues).

object
projectId
required

Project this belongs to (its content scope). Required: missing, or not a project in the caller’s tenant → 400 bad-input.

string format: uuid
agentRef
object
agentId
required
string
version
string
/^\d+\.\d+\.\d+$/
flowRef
object
flowId
required
string
version
string
/^\d+\.\d+\.\d+$/
dryRun
boolean
correlationId
string
baseline
One of:
string
Allowed values: recorded
reads
string
Allowed values: recorded live
repetitions
integer
>= 1 <= 10
k
integer
>= 1 <= 100
versions

Agents and tools a flow runs at other exact versions than the flow version’s pins (“this flow, with acme.scorer at 0.4.0”), without publishing a new flow version: a comparison’s flow candidate (versions on the start body and the run’s comparison), and the flow runs that replay it (a run’s versions). Each id must be an agent or tool the flow uses.

object
tools

Tool id → exact version.

object
key
additional properties
string
agents

Agent id → exact version, for agent nodes with or without a version of their own.

object
key
additional properties
string
classWeights

Which judgments count: each at its class’s weight (as-recorded, the default), or only those recorded while their class was restricted (Judgment.restricted), the others weighing 0 (restricted-only).

string
Allowed values: as-recorded restricted-only
overrides

For an agent candidate: block content its replays run instead of the version’s pinned content (an improvement pass’s search). settings: values by settings block id, each a block the version pins, satisfying its schema. prompts: a template for the prompt block the version pins, which reads and names only what the agent has (its parameters, the variables the current template reads, the settings blocks it pins, its tools’ and blocks’ ids) and is at most twice as long. Anything else is 400 validation-failed. A comparison with overrides can’t gate a promotion.

object
settings
object
<= 20 properties
key
additional properties
object
key
additional properties
any
prompts
object
<= 1 properties
key
additional properties
object
template
required
string
sample

Only part of the test set’s cases: split once into a hold-out part (about holdOutShare of them) and a search part (the rest), stratified by judgment (the cases with a “no” and the others are split on their own, a stratum of two or more giving each part at least one), in the order of a hash of each case id and seed. The same seed always splits the same test set the same way. A promotion gate refuses a comparison on the search part (comparison.sample).

object
part
required
string
Allowed values: search hold-out
seed
required
string
>= 1 characters <= 200 characters
holdOutShare
required
number
>= 0.1 <= 0.9

Eval run started.

Media typeapplication/json
object
runId
required
string format: uuid
dryRunPreview
object
key
additional properties
any
Examplegenerated
{
"runId": "2489E9AD-2EE2-8E00-8EC9-32D5F69181C0",
"dryRunPreview": {}
}

Malformed body (both / neither of agentRef / flowRef, dispatcher-input-invalid); or projectId isn’t a project id (a UUID). Or reference-out-of-scope: the suite, or the agent or flow, isn’t registered in projectId’s project, its org or the tenant (details.issues).

Media typeapplication/json
object
error
required
object
code
required

Stable machine-readable discriminant. Values match domain error codes (see docs/API-ROUTE-CONVENTIONS.md §4.3).

string
message
required
string
details

Optional, kind-specific.

object
key
additional properties
any
requestId
required

Server-assigned request id; also echoed via X-Request-Id header.

string
Examplegenerated
{
"error": {
"code": "example",
"message": "example",
"details": {},
"requestId": "example"
}
}

Missing / malformed / expired / revoked bearer token.

Media typeapplication/json
object
error
required
object
code
required

Stable machine-readable discriminant. Values match domain error codes (see docs/API-ROUTE-CONVENTIONS.md §4.3).

string
message
required
string
details

Optional, kind-specific.

object
key
additional properties
any
requestId
required

Server-assigned request id; also echoed via X-Request-Id header.

string
Examplegenerated
{
"error": {
"code": "example",
"message": "example",
"details": {},
"requestId": "example"
}
}

No eval suite with that id under this tenant; or projectId names no project of this tenant (project-not-found).

Media typeapplication/json
object
error
required
object
code
required

Stable machine-readable discriminant. Values match domain error codes (see docs/API-ROUTE-CONVENTIONS.md §4.3).

string
message
required
string
details

Optional, kind-specific.

object
key
additional properties
any
requestId
required

Server-assigned request id; also echoed via X-Request-Id header.

string
Examplegenerated
{
"error": {
"code": "example",
"message": "example",
"details": {},
"requestId": "example"
}
}

Idempotency-Key was reused with a different body, or resource-state conflict.

Media typeapplication/json
object
error
required
object
code
required

Stable machine-readable discriminant. Values match domain error codes (see docs/API-ROUTE-CONVENTIONS.md §4.3).

string
message
required
string
details

Optional, kind-specific.

object
key
additional properties
any
requestId
required

Server-assigned request id; also echoed via X-Request-Id header.

string
Examplegenerated
{
"error": {
"code": "example",
"message": "example",
"details": {},
"requestId": "example"
}
}

The request body is over the API’s limit (request-too-large; details.maxBytes says how much).

Media typeapplication/json
object
error
required
object
code
required

Stable machine-readable discriminant. Values match domain error codes (see docs/API-ROUTE-CONVENTIONS.md §4.3).

string
message
required
string
details

Optional, kind-specific.

object
key
additional properties
any
requestId
required

Server-assigned request id; also echoed via X-Request-Id header.

string
Examplegenerated
{
"error": {
"code": "example",
"message": "example",
"details": {},
"requestId": "example"
}
}

No dispatcher registered for the suite kind.

Media typeapplication/json
object
error
required
object
code
required

Stable machine-readable discriminant. Values match domain error codes (see docs/API-ROUTE-CONVENTIONS.md §4.3).

string
message
required
string
details

Optional, kind-specific.

object
key
additional properties
any
requestId
required

Server-assigned request id; also echoed via X-Request-Id header.

string
Examplegenerated
{
"error": {
"code": "example",
"message": "example",
"details": {},
"requestId": "example"
}
}

Server error (unmapped domain code or framework crash).

Media typeapplication/json
object
error
required
object
code
required

Stable machine-readable discriminant. Values match domain error codes (see docs/API-ROUTE-CONVENTIONS.md §4.3).

string
message
required
string
details

Optional, kind-specific.

object
key
additional properties
any
requestId
required

Server-assigned request id; also echoed via X-Request-Id header.

string
Examplegenerated
{
"error": {
"code": "example",
"message": "example",
"details": {},
"requestId": "example"
}
}

See also