Members
Look up a member by platform identity
Resolves a member from a platform and platform-native user id. Useful for turning a Discord user id into an Arcalotl member.
Authorization
apiKey AuthorizationBearer <token>
Community-scoped API key. Send it as Authorization: Bearer arclt_live_.... Keys carry scopes; endpoints that need a specific scope answer 403 missing_scope when the key lacks it.
In: header
Query Parameters
platform*string
The community platform (for example discord).
platform_uid*string
The member's stable id on that platform.
Response Body
application/json
application/problem+json
application/problem+json
application/problem+json
application/problem+json
application/problem+json
curl -X GET "https://example.com/v1/members/lookup?platform=string&platform_uid=string"{
"id": "mem_01JMZX1Z7D",
"created_at": "2026-05-01T12:00:00Z",
"identities": [
{
"platform": "discord",
"platform_uid": "218421075025461248",
"username": "ari"
}
],
"external_subjects": [
{
"namespace": "production",
"external_user_id": "usr_7f921"
}
]
}{
"type": "https://docs.arcalotl.com/api/errors#invalid_request",
"title": "Bad Request",
"status": 400,
"detail": "The 'cursor' parameter is not a valid cursor from a previous response.",
"code": "invalid_request"
}{
"type": "https://docs.arcalotl.com/api/errors#unauthorized",
"title": "Unauthorized",
"status": 401,
"detail": "A valid API key is required. Provide it as 'Authorization: Bearer arclt_live_...'.",
"code": "unauthorized"
}{
"type": "https://docs.arcalotl.com/api/errors#missing_scope",
"title": "Forbidden",
"status": 403,
"detail": "This API key is missing the required scope: subscriptions:read.",
"code": "missing_scope"
}{
"type": "https://docs.arcalotl.com/api/errors#not_found",
"title": "Not Found",
"status": 404,
"detail": "The requested resource was not found.",
"code": "not_found"
}{
"type": "https://docs.arcalotl.com/api/errors#rate_limited",
"title": "Too Many Requests",
"status": 429,
"detail": "Rate limit exceeded. Retry after the interval in the Retry-After header.",
"code": "rate_limited"
}