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Documentation Index

Fetch the complete documentation index at: https://docs.antonpayments.com/llms.txt

Use this file to discover all available pages before exploring further.

The Anton API is a REST API over HTTPS. All requests and responses are JSON. All dates are ISO 8601 UTC. All monetary amounts are decimal strings — never floats — to avoid rounding errors.

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Base URLs

EnvironmentBase URL
Productionhttps://api.antonpayments.com
Sandboxhttps://api.antonpayments.dev

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Authentication

Every request requires an OAuth 2.0 access token (DPoP-bound) AND a per-request DPoP proof. Static API keys are not accepted on v1. See Authentication for the full flow, including a copy-paste curl quickstart. 
Authorization: DPoP <access_token>
DPoP: <proof JWT, fresh per request>

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Conventions

  • Versioning. All endpoints live under /v1/. Breaking changes ship as a new version; /v1/ remains available for the life of the contract.
  • JSON. Request bodies are application/json. Field names are snake_case. Unknown fields in requests are rejected with 422.
  • Amounts. Monetary values are strings: "1234.56", not 1234.56. Parse them as decimals, not floats.
  • Timestamps. RFC 3339 / ISO 8601 in UTC: "2026-04-15T13:45:02Z".
  • Identifiers. Prefixed opaque strings: pay_..., ben_..., mer_..., ins_..., bat_..., wbh_.... Treat them as opaque — do not parse or compare substrings.
  • Errors. Every error response follows a consistent envelope with a machine-readable code and a human-readable message. See Errors.

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Cross-cutting topics

Idempotency

Safely retry any mutation with Idempotency-Key.

Pagination

Cursor-based pagination on every list endpoint.

Rate limits

Per-merchant and per-endpoint request ceilings.

Errors

Error envelope, status codes, and remediation.

Webhook events

Every event type and its payload schema.

Webhook signing

Verify signatures on every incoming delivery.