Discover / mpp.api.agentmail.to

AgentMail API

■ Challenge detected

AgentMail API on MPP.

MPP
Tempo
USDC
ai

Challenge detected: 3 of the last 10 checks
Median response: 207 ms
Last checked: 16 Oct, 18:49 UTC
In our index since: 26 Sept 2026

Endpoint

curl -i https://mpp.api.agentmail.to/v0/domains
# 402 Payment Required: pay with a MPP client, then send the request again.

155 listed endpoints

Checks and payment terms on this page refer to the endpoint above. Other listed endpoints have not been checked individually.

Base URLhttps://mpp.api.agentmail.to/v0

GET/pods/{pod_id}/domainsNo price listed On mppscan
GET/pods/:pod_id/lists/:direction/:typeNo price listedList entries On mpp.dev
DELETE/inboxes/{inbox_id}No price listed On mppscan
GET/pods/{pod_id}/inboxes/{inbox_id}No price listed On mppscan
PATCH/pods/:pod_id/inboxes/:inbox_idNo price listedUpdate inbox On mpp.dev

A dash means the listing gives no price or method. Copy buttons copy the full URL.

Showing 5 of 155 listed endpoints. First endpoints

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/mpp.api.agentmail.to

Recent checks

27 Sept 2026One bar per check, showing up to 20 recent checks. Coloured bars show relative response time, with a minimum visible height; full-height grey bars mean no challenge was detected. “Challenge detected” means HTTP 402 or another detected payment-challenge signal.16 Oct 2026

All 10 checks

When (UTC)	Result	HTTP	Response
16 Oct, 18:49 UTC	Challenge detected	402	207ms
15 Oct, 14:11 UTC	Challenge detected	402	507ms
14 Oct, 05:00 UTC	Challenge detected	402	204ms
13 Oct, 10:39 UTC	No challenge detected	200	401ms
11 Oct, 10:02 UTC	No challenge detected	200	460ms
9 Oct, 21:31 UTC	No challenge detected	200	689ms
8 Oct, 15:35 UTC	No challenge detected	200	434ms
7 Oct, 12:43 UTC	No challenge detected	200	269ms
6 Oct, 09:33 UTC	No challenge detected	200	436ms
27 Sept, 17:02 UTC	No challenge detected	200	469ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 16 Oct, 18:49 UTC, it returned HTTP 402 or another detected payment-challenge signal. This check did not test payment, delivery or compatibility with the Superstables client.

What payment terms does AgentMail API advertise?

The listing advertises MPP, Tempo and USDC. Check the seller's current payment challenge and authentication requirements before paying.

Where is AgentMail API listed?

In mpp.dev and mppscan. Superstables first indexed it on 26 Sept 2026.

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