Marketplace · API · x402

x402.ottoai.services/tx-explainer

Decode and explain any EVM blockchain transaction across 11 chains (Base, Ethereum, Arbitrum, Optimism, Avalanche, Polygon, Mantle, Monad, Plasma, BSC, Hyperliquid). Get a human-readable summary of swaps, transfers, approvals, DeFi interactions, and more.

Endpoint	`https://x402.ottoai.services/tx-explainer`
Trust	✓ Verified callable · 100% uptime over 1 checks · ~556 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	0x0E84dDEdAaE6A779c462C22a59F301EC31B6b808
method	GET
last updated	2026-11-04T05:31:23.018Z

Use it

Call it (an x402 client pays automatically)

curl -i https://x402.ottoai.services/tx-explainer
# 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-c55f26d20daf6d5d

Search the whole marketplace from your agent (MCP)

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