D grade
protocol-mismatch
80 score
2561 ms
0.2 version
0.0% uptime over 8 measured probes
AS400940 RAILWAY - Railway, US · US
https://api.chainfx.store/.well-known/agent-card.json
a2a first seen 2026-09-07 · last seen 2026-09-13 · json
Listed in
| source | name | description | external id |
|---|---|---|---|
| Agenstry | ChainFX Agent Pay | a2a_agent:api.chainfx.store |
Same host
agents-txt × 1 ard × 1 llms-txt × 1 · 1 alive mcp × 1 · 1 alive robots × 1 · 1 alive sigdir × 1 x402 × 1
Badge
embed:
<a href="https://agentprobe.org/endpoint/5499"><img src="https://agentprobe.org/badge/5499.svg" alt="agentprobe"></a>
Probe history
| probed (UTC) | outcome | score | status | http | ms | version | capabilities | error |
|---|---|---|---|---|---|---|---|---|
| 2026-09-13 14:10 | protocol-mismatch | 80 | 200 | HTTP/1.1 | 2561 | 0.2 | detailscapabilities {"era":"0.3","skills_count":11,"skills":["pay_pix_with_usdt","pay_card_bill_with_usdt","get_payment_status","quote_required_usdt","list_supported_payment_methods","stablecoin_exchange","capability_exchange","semantic_memory","document_ocr","llm_chat","aml_screening"],"streaming":true,"push_notifications":false,"security_schemes":[],"bindings":["JSONRPC"],"signatures":0}meta {"card_url":"https://api.chainfx.store/.well-known/agent-card.json","card":{"name":"ChainFX Agent Pay","version":"1.0.0","provider":{"organization":"ChainFX","url":"https://www.chainfx.store"},"documentationUrl":null},"missing_fields":[],"endpoint_url":"https://api.chainfx.store/a2a","binding":"JSONRPC","endpoint_status":400,"http_version":"HTTP/1.1","vantage":"us-east-1"} | interface HTTP 400, no A2A envelope |
| 2026-09-12 13:05 | protocol-mismatch | 80 | 200 | HTTP/1.1 | 2282 | 0.2 | detailscapabilities {"era":"0.3","skills_count":11,"skills":["pay_pix_with_usdt","pay_card_bill_with_usdt","get_payment_status","quote_required_usdt","list_supported_payment_methods","stablecoin_exchange","capability_exchange","semantic_memory","document_ocr","llm_chat","aml_screening"],"streaming":true,"push_notifications":false,"security_schemes":[],"bindings":["JSONRPC"],"signatures":0}meta {"card_url":"https://api.chainfx.store/.well-known/agent-card.json","card":{"name":"ChainFX Agent Pay","version":"1.0.0","provider":{"organization":"ChainFX","url":"https://www.chainfx.store"},"documentationUrl":null},"missing_fields":[],"endpoint_url":"https://api.chainfx.store/a2a","binding":"JSONRPC","endpoint_status":400,"http_version":"HTTP/1.1","vantage":"us-east-1"} | interface HTTP 400, no A2A envelope |
| 2026-09-11 12:11 | protocol-mismatch | 80 | 200 | HTTP/1.1 | 2201 | 0.2 | detailscapabilities {"era":"0.3","skills_count":11,"skills":["pay_pix_with_usdt","pay_card_bill_with_usdt","get_payment_status","quote_required_usdt","list_supported_payment_methods","stablecoin_exchange","capability_exchange","semantic_memory","document_ocr","llm_chat","aml_screening"],"streaming":true,"push_notifications":false,"security_schemes":[],"bindings":["JSONRPC"],"signatures":0}meta {"card_url":"https://api.chainfx.store/.well-known/agent-card.json","card":{"name":"ChainFX Agent Pay","version":"1.0.0","provider":{"organization":"ChainFX","url":"https://www.chainfx.store"},"documentationUrl":null},"missing_fields":[],"endpoint_url":"https://api.chainfx.store/a2a","binding":"JSONRPC","endpoint_status":400,"http_version":"HTTP/1.1","vantage":"us-east-1"} | interface HTTP 400, no A2A envelope |
| 2026-09-10 11:11 | protocol-mismatch | 80 | 200 | HTTP/1.1 | 2004 | 0.2 | detailscapabilities {"era":"0.3","skills_count":11,"skills":["pay_pix_with_usdt","pay_card_bill_with_usdt","get_payment_status","quote_required_usdt","list_supported_payment_methods","stablecoin_exchange","capability_exchange","semantic_memory","document_ocr","llm_chat","aml_screening"],"streaming":true,"push_notifications":false,"security_schemes":[],"bindings":["JSONRPC"],"signatures":0}meta {"card_url":"https://api.chainfx.store/.well-known/agent-card.json","card":{"name":"ChainFX Agent Pay","version":"1.0.0","provider":{"organization":"ChainFX","url":"https://www.chainfx.store"},"documentationUrl":null},"missing_fields":[],"endpoint_url":"https://api.chainfx.store/a2a","binding":"JSONRPC","endpoint_status":400,"http_version":"HTTP/1.1","vantage":"us-east-1"} | interface HTTP 400, no A2A envelope |
| 2026-09-09 10:07 | protocol-mismatch | 80 | 200 | 2834 | 0.2 | detailscapabilities {"era":"0.3","skills_count":11,"skills":["pay_pix_with_usdt","pay_card_bill_with_usdt","get_payment_status","quote_required_usdt","list_supported_payment_methods","stablecoin_exchange","capability_exchange","semantic_memory","document_ocr","llm_chat","aml_screening"],"streaming":true,"push_notifications":false,"security_schemes":[],"bindings":["JSONRPC"],"signatures":0}meta {"card_url":"https://api.chainfx.store/.well-known/agent-card.json","card":{"name":"ChainFX Agent Pay","version":"1.0.0","provider":{"organization":"ChainFX","url":"https://www.chainfx.store"},"documentationUrl":null},"missing_fields":[],"endpoint_url":"https://api.chainfx.store/a2a","binding":"JSONRPC","endpoint_status":400,"vantage":"us-east-1"} | interface HTTP 400, no A2A envelope | |
| 2026-09-09 09:18 | connect-fail | 656 | detailsmeta {"vantage":"us-east-1"} | h2: Invalid input ConnectionInputs.SEND_SETTINGS in state ConnectionState.CLOSED | ||||
| 2026-09-08 08:31 | connect-fail | 3795 | detailsmeta {"vantage":"us-east-1"} | LocalProtocolError: Invalid input ConnectionInputs.SEND_HEADERS in state ConnectionState.CLOSED | ||||
| 2026-09-07 01:50 | protocol-mismatch | 80 | 200 | 1537 | 0.2 | detailscapabilities {"era":"0.3","skills_count":11,"skills":["pay_pix_with_usdt","pay_card_bill_with_usdt","get_payment_status","quote_required_usdt","list_supported_payment_methods","stablecoin_exchange","capability_exchange","semantic_memory","document_ocr","llm_chat","aml_screening"],"streaming":true,"push_notifications":false,"security_schemes":[],"bindings":["JSONRPC"],"signatures":0}meta {"card_url":"https://api.chainfx.store/.well-known/agent-card.json","card":{"name":"ChainFX Agent Pay","version":"1.0.0","provider":{"organization":"ChainFX","url":"https://www.chainfx.store"},"documentationUrl":null},"missing_fields":[],"endpoint_url":"https://api.chainfx.store/a2a","binding":"JSONRPC","endpoint_status":400} | interface HTTP 400, no A2A envelope |