x402 endpoint checker
Test any x402 paid URL without paying: 402, PAYMENT-REQUIRED, USDC, amounts, payTo, EIP-712, CORS.
endpoint: https://x402-seller-kit.soloearn.workers.dev/mcp
registry: dev.workers.soloearn.x402-seller-kit/x402-checker
A
recent success 100% (18 probes) ·
MCP handshake OK
· protocol 2025-06-18
TLS valid (84d left) · latency 174.0 ms ·
HTTP 200 · auth open ·
tools 1
manifest e827c838da91f111
· drift events seen here: 0
Embed this grade
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Recent probes
| time (UTC) | ok | grade | mcp | latency | tls | tools | hash |
|---|---|---|---|---|---|---|---|
| 2026-10-13T01:47:30Z | ✓ | A | ✓ | 174.0 ms | 84d | 1 | e827c838da91f111 |
| 2026-10-12T19:46:13Z | ✓ | A | ✓ | 143.0 ms | 84d | 1 | e827c838da91f111 |
| 2026-10-12T13:45:37Z | ✓ | A | ✓ | 115.0 ms | 85d | 1 | e827c838da91f111 |
| 2026-10-12T07:45:07Z | ✓ | A | ✓ | 289.0 ms | 85d | 1 | e827c838da91f111 |
| 2026-10-12T01:43:19Z | ✓ | A | ✓ | 126.0 ms | 85d | 1 | e827c838da91f111 |
| 2026-10-11T19:41:21Z | ✓ | A | ✓ | 140.0 ms | 85d | 1 | e827c838da91f111 |
| 2026-10-11T13:40:28Z | ✓ | A | ✓ | 95.0 ms | 86d | 1 | e827c838da91f111 |
| 2026-10-11T07:39:09Z | ✓ | A | ✓ | 166.0 ms | 86d | 1 | e827c838da91f111 |
| 2026-10-11T01:37:31Z | ✓ | A | ✓ | 136.0 ms | 86d | 1 | e827c838da91f111 |
| 2026-10-10T19:37:03Z | ✓ | A | ✓ | 133.0 ms | 86d | 1 | e827c838da91f111 |
| 2026-10-10T13:35:50Z | ✓ | A | ✓ | 116.0 ms | 87d | 1 | e827c838da91f111 |
| 2026-10-10T07:34:57Z | ✓ | A | ✓ | 142.0 ms | 87d | 1 | e827c838da91f111 |
| 2026-10-10T01:34:08Z | ✓ | A | ✓ | 145.0 ms | 87d | 1 | e827c838da91f111 |
| 2026-10-09T19:33:41Z | ✓ | A | ✓ | 104.0 ms | 87d | 1 | e827c838da91f111 |
| 2026-10-09T13:33:14Z | ✓ | A | ✓ | 142.0 ms | 88d | 1 | e827c838da91f111 |
| 2026-10-09T07:32:15Z | ✓ | A | ✓ | 85.0 ms | 88d | 1 | e827c838da91f111 |
| 2026-10-09T01:30:23Z | ✓ | A | ✓ | 275.0 ms | 88d | 1 | e827c838da91f111 |
| 2026-10-08T19:29:31Z | ✓ | A | ✓ | 89.0 ms | 88d | 1 | e827c838da91f111 |