Search tenant fields
Returns field names for autocomplete suggestions and declaration metadata when available. prefix with optional limit returns a ranked page, so a matching key may be absent when other keys rank higher. field_name=<exact key> checks one key independently of ranking and returns one item or an empty items array. field_name and prefix cannot be combined (400 FIELD_QUERY_AMBIGUOUS); limit with field_name is accepted but has no effect.
Authorizations
MeshQu API key passed as a bearer token: Authorization: Bearer mqu_…. Mint one in the console (Settings → API keys).
Tenant UUID for multi-tenant isolation. Required on authenticated routes. A missing or non-UUID value returns 400 MISSING_TENANT_ID or INVALID_TENANT_ID before API-key authentication.
Query Parameters
Prefix to filter field names. Returns a RANKED page (busiest first), so a matching key can be absent from it — use field_name to ask about one exact key.
Page size for the ranked prefix/list read. Defaults to 20. Accepted and IGNORED alongside field_name, which returns one item or none.
1 <= x <= 100The EXACT canonical key, e.g. vendor. Returns items with that one field, or an EMPTY items when the tenant has no such key — never a 404, because "no declaration" is an answer. Independent of usage rank and of limit (accepted and ignored here); mutually exclusive with prefix (400 FIELD_QUERY_AMBIGUOUS).
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Default Response