Delete a grader

⚠️
Preview — this feature is being built; the design below is the spec.
DELETE https://app.syntic.ai/v1/evals/graders/{grader_id}

Delete a grader.

For how this fits into a full workflow, see Evaluations.

Headers

HeaderRequiredValue
AuthorizationYesBearer <key>: a private inference key (sk_live_...). See Authentication.
syntic-betaYes, while in previewevals-2026-12-01. Without it the call fails with 400 beta_required. See Versioning.

Path parameters

ParameterTypeDescription
grader_idstringStarts with evgr_.

Response

200 OK, Content-Type: application/json

{
  "id": "evgr_01JD46E8G0J2L4N6Q8S0",
  "type": "eval_grader",
  "deleted": true
}

Examples

curl -sS -X DELETE "https://app.syntic.ai/v1/evals/graders/evgr_01JD46E8G0J2L4N6Q8S0" \
  -H "Authorization: Bearer $SYNTIC_API_KEY" \
  -H "syntic-beta: evals-2026-12-01"

Errors

Errors use the error envelope and carry a request_id. Codes specific to this operation:

StatustypecodeWhen
400invalid_request_errorbeta_requiredThe syntic-beta header is missing.
404not_found_errorgrader_not_foundNo grader with this id.
401authentication_errorinvalid_api_keyThe key is missing, unknown, revoked or expired.
429rate_limit_errorrate_limitedToo many requests; wait for Retry-After. See Rate-limit headers.
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