generated: '2026-07-20' method: searched source: https://docs.preauth.io/api-rest.md ; derived from openapi/preauth-instacash-orders-openapi.yml auth: style: api-key transport: header header: x-auth-token see: authentication/preauth-instacash-authentication.yml idempotency: supported: false notes: >- No Idempotency-Key header is documented. The merchant-supplied `reference` on order creation is the natural client-side dedupe key but the API does not enforce it. pagination: supported: false notes: Order operations are single-resource; no list endpoint is documented. amounts: representation: integer minor units notes: 'Amounts are in the smallest currency denomination (e.g. cents). For US$100 send 100000.' locale_codes: country: ISO 3166-1 alpha-2 currency: ISO 4217 versioning: style: uri-path current: v1 see: lifecycle/preauth-instacash-lifecycle.yml errors: see: errors/preauth-instacash-error-codes.yml rate_limiting: documented: false liveness_limit: One card liveness check per order per day unless force=true. webhooks: style: 'HTTP POST envelope { type, order }' configure: https://dashboard.preauth.io/panel/devs see: asyncapi/preauth-instacash-webhooks-asyncapi.yml