generated: '2026-07-20' method: searched source: openapi/paywithmybank-openapi-original.yml docs: https://amer.developers.trustly.com/api-reference/api authentication: style: http-basic credentials: accessId (username) + accessKey (password) note: HTTP Basic over HTTPS. Client-side SDK calls additionally require a server-generated requestSignature. Optional field-level encryption available. idempotency: supported: true header: Idempotency-Key scope: per write operation note: Write operations accept an Idempotency-Key request header so retries are safe. Present across mutating operations in the OpenAPI. pagination: supported: false note: No explicit cursor/offset/limit pagination parameters declared; list endpoints return collections. versioning: scheme: uri-path current: v1 note: Version pinned in base path /api/v1. error_envelope: schema: BaseException fields: - domain - code - location - message - occurredAt see: errors/paywithmybank-problem-types.yml events: style: webhooks see: asyncapi/paywithmybank-webhooks.yml note: Async state changes delivered as event notifications. cross_links: authentication: authentication/paywithmybank-authentication.yml errors: errors/paywithmybank-problem-types.yml lifecycle: lifecycle/paywithmybank-lifecycle.yml