passlisted in Coinbase#1 by calls of 64 on this host
0.001 USDC
per call, as the listing declares it on eip155:
- Validation state
- pass
- Uptime, 7 / 30 / 90 days
- 100% / 100% / 100%
- Calls, trailing 30 days
- 74
- Unique payers, trailing 30 days
- 1
- Last called
- 2026-10-02 13:36 UTC
- First observed by TOLLderived
- 2026-09-25
- Pricederived
- 0.001 USDC
- Networks
- 1
How has the volume on this endpoint moved?
x402.agentindex.world lists 64 endpoints; x402 echo is 1st by calls.
The listing describes the request as a json body with the field message.
A response from x402 echo, as declared, includes ok, payer, network, purpose, request, price_usdc and 1 other.
x402 echo drew 74 calls from one payer in the trailing 30 days.
The last call to x402 echo came on the day of the snapshot, 2026-10-02.
Each call is priced at 0.001 USDC, payable on Base.
x402 echo takes 45% of the calls counted across x402.agentindex.world.
x402.agentindex.world serves x402 echo, a POST endpoint that TOLL places in identity, listed in the Coinbase registry.
x402 echo answered the sweep of 2026-10-02 with a valid 402, as at every sweep since 2026-09-25.
Closest in price to x402 echo within identity: human at human.twin3.ai and tokenized equities at x402.ottoai.services.
x402 echo is the cheapest of 1,896 comparable listings in identity; none asks less.
x402 echo out-counts 99% of the 1,884 endpoints in identity that carry counters.
The payee wallet of x402 echo appears on no other listing.
The seller's tags on x402 echo are x402, conformance and echo.
The price of x402 echo is declared by 138 other listings in identity too.
the payment options, as of 2026-10-02 22:12 UTC · method · pinnable
| registry | network | asset | amount | scheme | pay to |
|---|---|---|---|---|---|
| Coinbase | eip155: | USDC | 0.001 USDC | exact | 0x3cedc3…7b45Ec |
the checks, as of 2026-10-02 14:48 UTC · method · pinnableendpoint answered HTTP 402
No named check failed.
Every sweep that observed this endpoint, newest first.
| observed, UTC | state | failed checks | sweep |
|---|---|---|---|
| 2026-10-02 14:48 UTC | pass | 0 | daily-2026-10-02 |
| 2026-10-01 07:43 UTC | pass | 0 | daily-2026-10-01 |
| 2026-09-30 07:02 UTC | pass | 0 | daily-2026-09-30 |
| 2026-09-29 19:20 UTC | pass | 0 | daily-2026-09-29 |
| 2026-09-28 06:07 UTC | pass | 0 | daily-2026-09-28 |
| 2026-09-25 20:51 UTC | pass | 0 | daily-2026-09-25 |
| 2026-09-25 19:20 UTC | pass | 0 | new-after-daily-2026-09-24 |
Presence in a registry, not liveness of the service (method). Newest first.
- listed in Coinbase
From the registry record, not validated by TOLL.the declared schema, as of 2026-10-02 13:35 UTC · method · live
The input and output block
{
"input": {
"body": {
"message": "hello agent"
},
"type": "http",
"method": "POST",
"bodyType": "json"
},
"output": {
"type": "json",
"example": {
"ok": true,
"payer": "0xb3F32bdfe8D07825BC0D7387295aB1D7559BA69d",
"network": "eip155:8453",
"purpose": "x402-mainnet-conformance",
"request": {
"echo": {
"hello": "agent"
},
"method": "POST"
},
"price_usdc": 0.001,
"price_atomic_usdc": "1000"
}
}
}Cite this page
The pinned URL below renders this page from the snapshot of 2026-10-02 22:12 UTC and does not change; the live page does, every six hours. Data reuse is under CC BY 4.0 (terms).
Plain text
TOLL, "x402 echo on x402.agentindex.world", snapshot of 2026-10-02 22:12 UTC. https://tollindex.com/e/x402-agentindex-world-x402-echo-5f77c5/at/2026-10-02T22-12Z. Accessed [access date].
BibTeX
@misc{toll-e-x402-agentindex-world-x402-echo-5f77c5-2026-10-02T22-12Z,
author = {TOLL},
title = {x402 echo on x402.agentindex.world},
howpublished = {\url{https://tollindex.com/e/x402-agentindex-world-x402-echo-5f77c5/at/2026-10-02T22-12Z}},
year = {2026},
month = {10},
note = {Pinned view of the snapshot of 2026-10-02 22:12 UTC. Accessed [access date].}
}None yet. Anything submitted through the form below is published here with its outcome.