generated: '2026-07-21' method: searched source: https://api-docs.windfall.com/ summary: >- Cross-cutting request/response conventions for the Windfall enrichment API, derived from the OpenAPI and the developer documentation. authentication: style: api-key header: X-WF-Auth-Token transport: HTTPS only see: authentication/windfall-data-authentication.yml versioning: scheme: uri-path current: v1 base_path: /v1 pagination: supported: false note: Single-record real-time enrichment; there is no list/collection surface to paginate. idempotency: supported: false note: >- Enrichment is a read-style lookup returning current data for a submitted record; the provider documents no idempotency-key header. No Idempotency pointer is emitted. correlation: request_echo_field: id note: The id you submit is echoed back on the response for correlation. request_id_field: request_id request_id_note: Error responses from the gateway include a request_id for support. rate_limiting: limit: 5 requests/second exceeded_status: 429 exceeded_error: rate_limit strategy: back off and retry after a brief delay error_envelope: media_type: application/json fields: [error, message] see: errors/windfall-data-problem-types.yml data_coverage: geography: United States freshness: updated weekly