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openapi: 3.2.0
info:
title: Halliday API V2 Payments API
description: 'API V2 for Halliday''s payment infrastructure, supporting onramps, swaps, and offramps.
This API provides a unified interface for cryptocurrency payments, allowing developers to:
- Quote payments across multiple providers
- Execute payments with onramps, swaps, and offramps
- Track payment status and history
## Authentication
API key authentication is required for all endpoints.'
version: 2.0.0
contact:
name: Contact Halliday
url: https://halliday.xyz
email: support@halliday.xyz
servers:
- url: https://v2.prod.halliday.xyz
description: Base domain
security:
- ApiKeyAuth: []
tags:
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# Full source: https://raw.githubusercontent.com/api-evangelist/halliday/refs/heads/main/openapi/halliday-payments-api-openapi.yml