Paychex

OpenAPI 3.0, 110 ops; URL unstable.

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Paychex External API

Verified

Format: OpenAPI 3.0 · 3.0.3
Source: Vendor
URL: https://developer.paychex.com/sites/default/files/apidocument/openapi-merge-develop.213-public.json
Server: https://api.paychex.com
Operations: 110
API version: 1.0
Last changed: 31 Oct 2026
sha256: 672bc55c7a2e5302… · 1.1 MB

Redoc spec-url on https://developer.paychex.com/documentation. Filename contains a build number (213) and will change on republish; re-discover from the documentation page's <redoc spec-url>.