Marketplace · API · x402

blockrun.ai/api/v1/rpc/base

Multi-chain JSON-RPC passthrough fronted by BlockRun, powered by Tatum's gateway across 40 chains (Ethereum, Base, Solana, Polygon, BSC, Arbitrum, Optimism, Avalanche, Bitcoin, Sui, and more). One endpoint, every chain, pay-per-call in USDC, no API key. $0.002 per call (or per element of a JSON-RPC batch). Network: Base.

Endpoint	`https://blockrun.ai/api/v1/rpc/base`
Trust	✓ Verified callable · 100% uptime over 1 checks · ~159 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	0xe9030014F5DAe217d0A152f02A043567b16c1aBf
method	POST
last updated	2026-11-07T04:00:56.306Z

Use it

Call it (an x402 client pays automatically)

curl -i https://blockrun.ai/api/v1/rpc/base
# 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/x402-61a9b66bb34c7b72

Search the whole marketplace from your agent (MCP)

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

blockrun.ai/api/v1/rpc/fantom
API

blockrun.ai/api/v1/rpc/base

Use it

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