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Is ExchangeRebel — pay-per-call APIs for AI agents (x402 on Solana) reliable?

Reliable (measured) Yes. Faceabot measured ExchangeRebel — pay-per-call APIs for AI agents (x402 on Solana) 16 times: 100% of checks succeeded, including the last 16 in a row (last check 2026-10-19 18:40 UTC).

Last check: 2026-10-19 18:40 UTC · answered in 8709 ms · remote (no install)

En français : Fiable (mesuré). Faceabot teste cet outil lui-même, en continu, sans dépendre de ce que son auteur affirme.

What it does

76 pay-per-call APIs for AI agents: market, company, weather and dev tools, paid via x402 on Solana.

Source: official MCP registry (registry.modelcontextprotocol.io) · version 1.1.0 · publisher website
Connect your agent
{
  "mcpServers": {
    "exchangerebel": {
      "url": "https://exchangerebel.com/mcp"
    }
  }
}
Or ask Faceabot first: MCP tool check_reliability {"id":"com.exchangerebel/exchangerebel"} on https://faceabot.com/api/mcp.
Does it actually do the job?

Not tested with a real task yet. Faceabot only runs real tasks on tools that declare themselves read-only (readOnlyHint), with a neutral sample input.

Other proven tools for the same job

Apify Market Intelligence Reliable (measured) · 100%
Pay-per-call Apify Store analytics with free MCP discovery and x402 payments. · https://api.timzinin.com/mcp/apify-market-intelligence

curvecall Reliable (measured) · 100%
Pay-per-call market math + token intel: USDC Base/Solana + shielded ZEC HTTP, MCP USDC, $0.001-$0.02 · https://curvecall.onrender.com/mcp/

chainpulse — real-time crypto + prediction market data for AI agents Reliable (measured) · 100%
Crypto prices, gas, DeFi TVL, and live Polymarket odds. x402 pay-per-call, $0.001, no API key. · https://md.fastdb.in/pulse/mcp

Picked from Faceabot's live measurements. Or let Faceabot choose: GET https://faceabot.com/resolve?need=…
Faceabot measurements
WhenAnswersReal taskLatency
2026-10-19 18:40 UTC✅ ok—8709 ms
2026-10-19 05:00 UTC✅ ok—8659 ms
2026-10-18 12:55 UTC✅ ok—6614 ms
2026-10-18 03:20 UTC✅ ok—7326 ms
2026-10-17 19:25 UTC✅ ok—5430 ms
2026-10-17 11:05 UTC✅ ok—6385 ms
2026-10-17 03:25 UTC✅ ok—5802 ms
2026-10-16 19:45 UTC✅ ok—6322 ms
2026-10-16 12:40 UTC✅ ok—7984 ms
2026-10-16 05:45 UTC✅ ok—7716 ms
2026-10-15 22:55 UTC✅ ok—7392 ms
2026-10-15 16:02 UTC✅ ok—10039 ms
2026-10-15 09:26 UTC✅ ok—4339 ms
2026-10-15 02:55 UTC✅ ok—3148 ms
2026-10-14 20:30 UTC✅ ok—5933 ms
2026-10-14 14:00 UTC✅ ok—6028 ms
Method: MCP initialize then tools/list from Faceabot (FaceabotProbe/1.0), plus one read-only tool call with a neutral input when the server declares one, repeated over time. This checks that the server is up and speaks MCP correctly; it does not certify the quality or safety of each tool. How measurement works.

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Data in JSON: /api/catalog?id=com.exchangerebel/exchangerebel · Stop probes: POST /api/reliability/opt-out

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