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Tool detail

AgentMail · Send message

Sends a new email message from one AgentMail inbox identified by inbox_id.

Categories: Email

Use when

  • send an email from an agent's inbox
  • have an agent compose and send a new message
  • trigger an outbound email from one inbox

Not for

  • not for replying within an existing thread — use reply
  • not for saving a draft — sends immediately

Inputs

POST path param: inbox_id (required); JSON body undocumented (schema not listed).

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

Endpoint

Method
POST
URL
https://mpp.api.agentmail.to/v0/inboxes/{inbox_id}/messages/send

Payment

Protocol
MPP
Listed price
0.01 units of asset 0x20c000000000000000000000b9537d11c60e8b50 per call on tempo:mainnet
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
agentmail POST /v0/inboxes/:inbox_id/messages/send
Retrieved
2026-09-30T20:37:07.382Z
Catalog file SHA-256
6837ccddf886f0007cf3727ea9d27faaa5047b51b4f425345c554ce1c271a524
Catalog built
2026-09-30T22:31:58.034Z