Signal402 — x402 Ecosystem Radar

$36.9MVerified Volume

120,926,563Settlements

148,069Unique Payers

57,281Earning Services

Live Signals

AIsa live $0.0050

AI agent marketplace. 22M+ transactions representing ~25% of all x402 volume. Multi-model inference with agent-to-agent routing.

AI · editorial · high confidence

Allium live $0.010

Blockchain data APIs for token prices, wallet balances, transaction history, and PnL. 12 endpoints covering prices (current, historical, ...

Data · editorial · high confidence

Firecrawl live $0.010

Web scraping and search API. Crawl, scrape, and extract structured data from any website. $0.01 per scrape, $0.05 per search.

Tools · editorial · high confidence

Pinata live $0.0020

IPFS pinning and retrieval. Upload files to IPFS and retrieve them via CID. Pay per pin or per retrieval.

Tools · editorial · high confidence

Neynar live $0.0010

Farcaster API. Read casts, profiles, channels, and post on behalf of agents. Pay per API call.

Tools · editorial · high confidence

EnrichX402 live $0.020

32 x402 endpoints wrapping premium APIs: Apollo people/org search, Grok X/Twitter search, Exa semantic search, Firecrawl web scraping, Go...

Data · editorial · high confidence

Step 1

Agent sends request

Your AI agent calls an API endpoint. No API key needed.

Step 2

Server responds 402 + price

The server replies with 402 Payment Required and a USDC price.

Step 3

Agent signs USDC, gets data

Agent signs a USDC authorization, retries, and gets the response.

Machine-to-machine commerce. No accounts, no billing, no signup — just pay and use.

{
  "mcpServers": {
    "signal402": {
      "command": "npx",
      "args": ["signal402-mcp"]
    }
  }
}

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