AgentMail | Email Inbox API for AI Agents

AgentMail gives AI agents real email inboxes. Create, send, receive, and search messages via REST API — built for autonomous agents and agentic workflows.

Quality grade

How grading works

B 76.0 / 100

Availability 40.0 / 40

Endpoint responded (HTTP 402)

Payability 20.0 / 20

✓ Answers a real HTTP 402 challenge
✓ Publishes a /.well-known/x402 descriptor
✓ Payment address on record
✓ Settlement network declared
✓ Price declared

Demand 16.0 / 40

11 distinct payers, 81 USDC transfers in the last 30 days

Owner verified 0.0 / 3

Nobody has claimed this listing yet

Endpoint last checked 7 h ago. On-chain activity last read 11 d ago. Availability and on-chain demand are both re-probed daily; the grade updates automatically on the next pass.

Paid endpoints

51 resource(s) advertised by this origin.

https://x402.api.agentmail.to/v0/domains

https://x402.api.agentmail.to/v0/domains/%7Bdomain_id%7D

https://x402.api.agentmail.to/v0/domains/%7Bdomain_id%7D/verify

https://x402.api.agentmail.to/v0/domains/%7Bdomain_id%7D/zone-file

https://x402.api.agentmail.to/v0/drafts

https://x402.api.agentmail.to/v0/drafts/%7Bdraft_id%7D

https://x402.api.agentmail.to/v0/drafts/%7Bdraft_id%7D/attachments/%7Battachment_id%7D

https://x402.api.agentmail.to/v0/inboxes

https://x402.api.agentmail.to/v0/lists/%7Bdirection%7D/%7Btype%7D

https://x402.api.agentmail.to/v0/lists/%7Bdirection%7D/%7Btype%7D/%7Bentry%7D

https://x402.api.agentmail.to/v0/metrics

https://x402.api.agentmail.to/v0/pods

https://x402.api.agentmail.to/v0/pods/%7Bpod_id%7D

How to call

cURL · x402-fetch / x402-axios will auto-handle 402

curl -X POST https://x402.api.agentmail.to/v0/domains

/.well-known/x402.json

https://x402.api.agentmail.to/.well-known/x402

Listed in

Directories this entry was found in.

x402scan paygent-discover