Tool detail
AgentMail · Reply all message
Sends a reply-all to one message in an AgentMail inbox by inbox_id and message_id, replying to all original recipients.
Categories: Email
Use when
- reply to everyone on an email thread
- have an agent respond to all recipients of a message
- send a reply-all from one inbox
Not for
- not for single-recipient reply — use reply
- not for forwarding to new recipients
Inputs
POST path params: inbox_id, message_id (both required); JSON body undocumented.
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/{message_id}/reply-all
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/:message_id/reply-all
- Retrieved
- 2026-09-30T20:37:07.382Z
- Catalog file SHA-256
6837ccddf886f0007cf3727ea9d27faaa5047b51b4f425345c554ce1c271a524- Catalog built
- 2026-09-30T22:31:58.034Z