Phone
apiKeyHTTPSNo CORS
Phone
Fax for Agents API
Not rated yet · Be the first to rate itFax API, hosted MCP server and SDKs so AI agents send and receive faxes, free sandbox.
Fax for Agents API is a free Phone API that requires apiKey authentication, is served over HTTPS and does not support CORS, so it should be called from a server.
- Authentication
- apiKey
- HTTPS
- Yes
- CORS
- No
- Category
- Phone
- Uptime (30 days)
- Up
Visit documentation ↗faxforagents.com
Online · 2184 msTested Nov 15, 2026 · checked dailyIs it down? Status & uptime
About Fax for Agents
The quickstart first. Then sending and receiving, webhooks, approvals, policies, agents, errors, the sandbox, MCP setup, the SDKs and the API reference.
- Provider
- Fax for Agents
- Website
- faxforagents.com ↗
Details from faxforagents.com.
Key facts
- HTTPS
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Fax for Agents API FAQ
Who provides the Fax for Agents API?
The Fax for Agents API is provided by Fax for Agents (faxforagents.com). The quickstart first. Then sending and receiving, webhooks, approvals, policies, agents, errors, the sandbox, MCP setup, the SDKs and the API reference.
Is the Fax for Agents API free?
Yes. The Fax for Agents API is listed in the Phone category of the public-apis directory, which only includes APIs that are free or have a free tier. Check its documentation for rate limits and paid plans.
Does the Fax for Agents API require an API key?
Yes. The Fax for Agents API uses apiKey authentication, so you need to register for credentials before making requests.
Can I call the Fax for Agents API from the browser?
Not directly. The Fax for Agents API does not allow CORS, so call it from a server, serverless function or proxy instead of front-end JavaScript.
Does the Fax for Agents API support HTTPS?
Yes. The Fax for Agents API is served over HTTPS, so it's safe to use in production.
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