List project vector indexes

Lists the vector indexes in a project, in ascending name order, one page at a time.

GET /v1/projects/{project_id}/vector-indexes

Browse a project's vector indexesA returned cursor means another page may be available.

Select the projectOptionally narrow index names by prefix.
Read one pageInspect index IDs, configurations and states.
Continue with the cursorKeep the same project and filters for the next page.

Before you start

Use your organization API key on the control-plane origin.

Connection setup

Use the project ID whose vector indexes you want to list.

Path parameters

Field	Type	Required
`project_id`	`string`	Required

Query parameters

Field	Type	Required
`limit`	`integer`	Optional
`cursor`	`string`	Optional
`prefix`	`string`	Optional

Each item in indexes contains the index ID, configuration and state. This operation returns one page; use a returned cursor for the next page rather than treating the first page as the complete inventory.

Response statuses

HTTP status reference

Status	What to do
200	OK
400	Correct the request before retrying.
401	Check the credential and Authorization header.
402	Check feature access or available credits.
403	Check tenant access, roles and permissions.
404	Check the resource ID and API route.
429	Honor Retry-After when present; back off.
500	Check the outcome before retrying a write.
501	Check deployment support for this operation.
502	Check service availability and the write outcome.
503	Honor Retry-After when present; check write outcomes.

Request example

curl --include --request GET "https://api.originchain.ai/v1/projects/your-project-id/vector-indexes" \
  --header "Authorization: Bearer ${OC_ORG_API_KEY}"

Response example

Examples use synthetic values to show the response format.

Response status

{
  "indexes": [
    {
      "index_id": "22222222-2222-4222-8222-222222222222",
      "name": "demo-search",
      "state": "active",
      "dimension": 3,
      "metric": "cosine",
      "score_direction": "higher_is_better",
      "sparse": false,
      "text_fields": [],
      "visibility_fields": [],
      "embedding": null,
      "deletion_protection": "disabled",
      "tags": {},
      "identifier_profile": "unicode",
      "compat_family": "vectors",
      "created_at": "2026-10-30T00:00:00.000Z",
      "project_id": "44444444-4444-4444-8444-444444444444"
    }
  ]
}

Download the OpenAPI specification for the complete response schemas.

Before you startCopy Anchor Link

Path parametersCopy Anchor Link

Query parametersCopy Anchor Link

Read the resultCopy Anchor Link

Response statusesCopy Anchor Link

Before you start

Path parameters

Query parameters

Read the result

Response statuses