Holded

Holded REST API

REST API for managing invoicing, contacts, products, accounting, projects, employees, and CRM records inside the Holded business management platform. Authentication uses an API key passed via the `key` header on every request.

GitHub

Documentation

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Documentation
https://developers.holded.com/reference

Other Resources

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API Key Guide
https://developers.holded.com/reference/api-key-1
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Help Center
https://help.holded.com/en/articles/6896051-how-to-generate-and-use-the-holded-api
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APIsJSON
https://raw.githubusercontent.com/api-evangelist/holded/refs/heads/main/apis.yml

OpenAPI Specification

holded-openapi.yml Raw ↑