Get a gate evidence
Projects module
GET/gate-evidence/{id}gateEvidence.get
Evidence for a gate criterion. One evidence spine serves every criterion. Returns one gate evidence with its `ETag`. A gate evidence the caller may not see returns 404.
- Requires the capability projects.gate.read.
- OAuth scopes: projects.
- Error statuses: 400, 401, 404, 429. Errors are RFC 9457 problem details.
Path and query parameters
| Field | Type | Required | Description |
|---|---|---|---|
| id | string (uuid) | Yes | Identifier of the gate evidence. |
| fields | Fields | No | Sparse fieldset: a comma-separated list of top-level fields to return. `id` is always returned.Constraints: pattern ^[a-z_][a-z0-9_]*(,[a-z_][a-z0-9_]*)*$ |
Response 200: GateEvidence
| Field | Type | Required | Description |
|---|---|---|---|
| id | string (uuid) | Yes | Identifier of the gate evidence. |
| org_id | string (uuid) | Yes | Identifier of the owning organization, derived from the parent row and never accepted from the caller. |
| created_at | string (date-time) | Yes | When the row was created. |
| created_by | string (uuid) | null | Yes | Identifier of the person who created the row; null when a seed, platform or system process created it. |
| updated_at | string (date-time) | Yes | When the row was last updated. |
| updated_by | string (uuid) | null | Yes | Identifier of the person who last updated the row; null when a seed, platform or system process updated it. |
| project_id | string (uuid) | Yes | Identifier of the project. |
| criterion_id | CriterionId | Yes | Gate criterion identifier from `xpms.dim_gate_criterion`.Constraints: pattern ^G[1-9]\.[A-Z0-9_]+$ |
| record_id | string (uuid) | null | Yes | Identifier of the record that evidences the criterion. |
| attested_by | string (uuid) | null | Yes | Identifier of the person who attested the evidence. |
| attested_at | string (date-time) | Yes | When the evidence was attested. |
| assertion_rank | integer | Yes | Assertion rank of the evidence, 0 to 4.Constraints: range 0 to any |
| evidence_uri | string | null | Yes | Where the evidence lives: a document or record URI.Constraints: length 1 to 2000 |
| note | string | null | Yes | Note on the evidence.Constraints: length 1 to 2000 |
{
"id": "0192f1e2-7c3a-7b4d-9e8f-1a2b3c4d5e6f",
"org_id": "0192f1e2-7c3a-7b4d-9e8f-1a2b3c4d5e6f",
"created_at": "2026-10-08T14:30:00Z",
"created_by": "0192f1e2-7c3a-7b4d-9e8f-1a2b3c4d5e6f",
"updated_at": "2026-10-08T14:30:00Z",
"updated_by": "0192f1e2-7c3a-7b4d-9e8f-1a2b3c4d5e6f",
"project_id": "0192f1e2-7c3a-7b4d-9e8f-1a2b3c4d5e6f",
"criterion_id": "G1.BUDGET_ENVELOPE",
"record_id": "0192f1e2-7c3a-7b4d-9e8f-1a2b3c4d5e6f",
"attested_by": "0192f1e2-7c3a-7b4d-9e8f-1a2b3c4d5e6f",
"attested_at": "2026-10-08T14:30:00Z",
"assertion_rank": 4,
"evidence_uri": "urn:xpms:documents:0192f1e2-7c3a-7b4d-9e8f-1a2b3c4d5e6f",
"note": "Signed by the venue manager."
}Code samples
curl -X GET "$XOS_BASE_URL/gate-evidence/0192f1e2-7c3a-7b4d-9e8f-1a2b3c4d5e6f" \
-H "Authorization: Bearer $XOS_API_KEY"const { data, etag } = await xos.gateEvidence.get("0192f1e2-7c3a-7b4d-9e8f-1a2b3c4d5e6f");response = xos.gate_evidence.get("0192f1e2-7c3a-7b4d-9e8f-1a2b3c4d5e6f")xos gate-evidence get 0192f1e2-7c3a-7b4d-9e8f-1a2b3c4d5e6f