Marketplace · API · x402

data.greeneris.io/v1/btc/fees

Recommended Bitcoin transaction fee rates in sat/vB (fastest, half-hour, hour, economy, minimum) from mempool.space, computed from the live mempool. Optional ?include=difficulty adds the current difficulty retarget estimate (change %, remaining blocks/time). No required params; served with a 60s cache.

Endpoint	`https://data.greeneris.io/v1/btc/fees`
Trust	✓ Verified callable · 100% uptime over 1 checks · ~346 ms
Pricing	Pay per call with x402, no account. Call it to get an exact quote before paying.
network	eip155:8453
scheme	exact
pay to	0x6ab8efe305cce67daa48c97bde29c04402822dff
method	GET
last updated	2026-11-04T08:18:46.449Z

Use it

Call it (an x402 client pays automatically)

curl -i https://data.greeneris.io/v1/btc/fees
# 402 reply -> sign PAYMENT-REQUIRED with an x402 client (e.g. @x402/fetch) -> retry with PAYMENT-SIGNATURE

This listing as JSON

curl https://aipaygen.com/v1/catalog/api/x402-09edc87536b31534

Search the whole marketplace from your agent (MCP)

{
  "mcpServers": {
    "aipaygen": {
      "url": "https://aipaygen.com/mcp"
    }
  }
}