B grade
ok
100 score
590 ms
80.0% uptime over 5 measured probes
AS16509 AMAZON-02 - Amazon.com, Inc., US · US
https://yieldsignal.vercel.app/signal/usdc-base-yield
x402 first seen 2026-09-07 · last seen 2026-09-09 · json
Listed in
| source | name | description | external id |
|---|---|---|---|
| x402 Bazaar (Coinbase CDP discovery) | https://yieldsignal.vercel.app/signal/usdc-base-yield | https://yieldsignal.vercel.app/signal/usdc-base-yield |
Same host
a2a × 1 agents-txt × 1 ard × 1 llms-txt × 1 mcp × 1 · 1 alive robots × 1 · 1 alive sigdir × 1 x402 × 16 · 16 alive
Badge
embed:
<a href="https://agentprobe.org/endpoint/34981"><img src="https://agentprobe.org/badge/34981.svg" alt="agentprobe"></a>
Probe history
| probed (UTC) | outcome | score | status | http | ms | version | capabilities | error |
|---|---|---|---|---|---|---|---|---|
| 2026-09-11 15:02 | ok | 100 | 402 | HTTP/1.1 | 590 | detailscapabilities {"payment_header":true,"content_type":"application/json; charset=utf-8","accepts":0}meta {"final_url":"https://yieldsignal.vercel.app/signal/usdc-base-yield","http_version":"HTTP/1.1","vantage":"us-east-1"} | HTTP 402 | |
| 2026-09-10 14:03 | ok | 100 | 402 | HTTP/1.1 | 439 | detailscapabilities {"payment_header":true,"content_type":"application/json; charset=utf-8","accepts":0}meta {"final_url":"https://yieldsignal.vercel.app/signal/usdc-base-yield","http_version":"HTTP/1.1","vantage":"us-east-1"} | HTTP 402 | |
| 2026-09-09 13:17 | ok | 100 | 402 | HTTP/1.1 | 514 | detailscapabilities {"payment_header":true,"content_type":"application/json; charset=utf-8","accepts":0}meta {"final_url":"https://yieldsignal.vercel.app/signal/usdc-base-yield","http_version":"HTTP/1.1","vantage":"us-east-1"} | HTTP 402 | |
| 2026-09-08 12:45 | ok | 100 | 402 | 858 | detailscapabilities {"payment_header":true,"content_type":"application/json; charset=utf-8","accepts":0}meta {"final_url":"https://yieldsignal.vercel.app/signal/usdc-base-yield","vantage":"us-east-1"} | |||
| 2026-09-07 11:31 | connect-fail | 1935 | detailsmeta {"vantage":"us-east-1"} | h2: Invalid input ConnectionInputs.SEND_SETTINGS in state ConnectionState.CLOSED |