Discover / mpp.trychannel3.com
Channel3 MPP API
□ No challenge detectedPay-per-request product search via the Machine Payments Protocol (MPP) on Tempo. No API key is required on this gateway — unpaid requests receive HTTP 402 with a Tempo payment challenge in WWW-Authenticate. Retry with ``Authorization: Payment`` after settling on-chain ($0.007000 per request).
- Challenge detected
- 0 of the last 3 checks
- Last checked
- 9 Oct, 21:20 UTC
- In our index since
- 7 Oct 2026
Endpoint
curl -i https://mpp.trychannel3.com/v1/image-search # 402 Payment Required: pay with a MPP client, then send the request again.
Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/mpp.trychannel3.com
Recent checks
7 Oct 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.9 Oct 2026
All 3 checks
| When (UTC) | Result | HTTP | Response |
|---|---|---|---|
| 9 Oct, 21:20 UTC | No challenge detected | 405 | 153ms |
| 8 Oct, 09:20 UTC | No challenge detected | 405 | 136ms |
| 7 Oct, 00:22 UTC | No challenge detected | 405 | 133ms |
Questions
Did our last probe detect a payment challenge?
No. At our last probe on 9 Oct, 21:20 UTC, we detected no payment challenge.
What payment terms does Channel3 MPP API advertise?
The listing advertises MPP, Tempo and USDC. Check the seller's current payment challenge and authentication requirements before paying.
Where is Channel3 MPP API listed?
In mppscan. Superstables first indexed it on 7 Oct 2026.
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