overlay: 1.0.0
info:
title: API Evangelist enhancements for Pay1st Gateway API
version: 1.0.0
extends: openapi/carry1st-pay1st-gateway-openapi.yml
actions:
- target: $.info
update:
x-apievangelist-enriched: '2026-07-18'
x-apievangelist-source: https://pay1st-docs.carry1st.com/
x-apievangelist-note: >-
Spec DERIVED from the public Pay1st reference documentation by API Evangelist; endpoint
paths, headers, fields, and examples are transcribed from the docs, not a
provider-published OpenAPI.
- target: $.info
update:
x-agentic-access: agentic-access/carry1st-agentic-access.yml
x-request-signing: HMAC-SHA256 over X-TIMESTAMP + JSON body via X-SIGNATURE header
- target: $.paths['/api/pay1st/payments/create'].post
update:
x-idempotency:
key: partnerReference
note: partnerReference must be unique for the lifetime of the integration.
- target: $.paths['/api/pay1st/transactions/refunds/create'].post
update:
x-lifecycle-status: beta
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