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agentfax · Send a fax to any phone number — priced per page

Sends a fax to a phone number from a PDF URL or base64 document; priced per page, and documents are not stored.

Categories: Calls messaging

Use when

  • send a PDF as a fax to a phone number
  • fax a document without signup or an API key

Not for

  • not email or SMS — fax delivery only
  • documents are never stored — no retrieval after send

Inputs

POST JSON body: to (E.164 phone, required); file_url (public PDF URL) or content_base64 (required, one of); file_name, metadata optional.

Inputs undocumented: mpp.dev lists no input schema; see the provider's API reference

Endpoint

Method
POST
URL
https://agentfax.val.run/v1/fax

Payment

Protocol
MPP
Listed price
Not listed
Payment method
tempo
Network
tempo:mainnet
Asset
0x20c000000000000000000000b9537d11c60e8b50

Listed terms are catalog metadata. The caller supplies inputs and calls the tool outside Onelayer. If payment is required, the caller uses a compatible wallet to pay.

Source

Directory
MPP directory
Record
agentfax POST /v1/fax
Retrieved
2026-09-30T20:37:07.382Z
Catalog file SHA-256
6837ccddf886f0007cf3727ea9d27faaa5047b51b4f425345c554ce1c271a524
Catalog built
2026-09-30T22:31:58.034Z