generated: '2026-07-17' method: searched source: https://docs.anchorage.com/knowledge-base/api-reference/errors-pagination.md docs: - https://docs.anchorage.com/knowledge-base/api-reference/authentication.md - https://docs.anchorage.com/knowledge-base/api-reference/errors-pagination.md - https://docs.anchorage.com/knowledge-base/platform/developers/request-signing.md authentication: style: api-key + request signing api_key_header: Api-Access-Key request_signing: algorithm: Ed25519 headers: [Api-Signature, Api-Timestamp] applies_to: Sensitive endpoints (transfers, withdrawals, trading, and other state-changing operations) see: authentication/anchorage-authentication.yml idempotency: supported: true mechanism: request-body-field field: idempotentId format: UUID string in the POST request JSON body scope: Certain POST endpoints (36 operations in v2) behavior: Retries with the same idempotentId do not perform the same operation twice. pagination: style: cursor request_params: - {name: afterId, description: Request a page after (older than) this pagination ID} - {name: limit, description: Maximum number of results requested} - {name: endDate, description: Trading endpoints only; YYYY-MM-DD} response: cursor_field: page.next notes: Responses include a `next` cursor in the `page` attribute when more results exist. rate_limiting: limit: 20 requests/second per organization burst: up to 100 requests within a single second scope: All API keys within an organization share one common rate limit. status_code: 429 see: rate-limits/anchorage-rate-limits.yml versioning: scheme: uri-path versions: [v2, v3] current: v2 (144 operations); v3 (58 operations) is a newer surface for balances, wallet ops, transaction construction, fiat banking, and AML. error_envelope: shape: {errorType: enum, message: string} format: custom (not RFC 9457 problem+json) see: errors/anchorage-problem-types.yml notes: >- Cross-cutting request/response semantics captured from the Anchorage Digital API reference. Idempotency is real (idempotentId), which drives the Idempotency rating pointer.