Vextorium is answering right now. Last checked 5 min ago. It exposes 3 tools.
244 pay-per-call AI APIs: crypto, DeFi, markets, official data, compliance and developer tools.
Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 9 October 2026. No other catalogue keeps this.
Over the last week it answered 98.0% of our checks. We check every 15 minutes, so you hear about the next outage within the hour — not from your users.
Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 5 min ago.
claude mcp add vextorium --transport http https://api.vextorium.com/mcp
https://api.vextorium.com/mcp
[mcp_servers.vextorium]
url = "https://api.vextorium.com/mcp"
{
"mcpServers": {
"vextorium": {
"url": "https://api.vextorium.com/mcp"
}
}
}
{
"servers": {
"vextorium": {
"type": "http",
"url": "https://api.vextorium.com/mcp"
}
}
}
Read directly from the server with tools/list, grouped by what they act on.
If a tool disappears, we record the date.
call_service
service_details
search_services
| URL | Transport | State | Latency | Checked |
|---|---|---|---|---|
| https://api.vextorium.com/mcp | streamable-http | answering | 268 ms | 5 min ago |
Johto Data: pay-per-call company, compliance and filings data via x402. Free sample on every tool.
30 pay-per-call APIs for AI agents: compliance, trade, safety, web, data. USDC on Base via x402.
Pay-per-call data APIs for AI agents: business, compliance, procurement, VAT and IBAN via x402.
Live KTA rates, market data, payment rails, AML/VAT compliance, SDK snippets. 16 tools.
Pay-per-call compliance lead scanners with free MCP discovery and x402 payments.
Pay-per-call x402 gateway: agent tools, OpenAI-compatible LLM, market data, RPC, security audits.
156 paid-per-call JSON APIs for AI agents over x402: calculators, live data, crypto, security, dev.
28 pay-per-event tools for regulatory, sanctions, procurement, and corporate-registry monitoring.
Answers built from our own checks of this server.