x4PayAPI Market

Aave V3 Base ERC-1967 Facts — Independent Read-Only API

Aave V3 Base Pool/Configurator: pinned ERC-1967 implementation, admin & beacon slots, plus proxy/implementation code hashes. Two fixed public contracts. Not an audit or upgrade-authority proof.

1 of 2 routes settlement-verified · $0.01 USDC/request · 2 endpoints · Verification · base network · x402 protocol

Verified routes

Other routes are unverified.

Networks: Base (settlement-verified)

Discovery is free. Agents search the catalogue here. Payment happens on the listing 402, not on PayAPI.

url https://payapi.market/mcp

About this API

Aave V3 Base ERC-1967 Facts — Independent Read-Only API is listed in the Verification category with pricing at $0.01 USDC/request. One route has been settlement-verified by PayAPI Market on 2026-10-24. View receipt on Basescan.

Payments settle on base in USDC via the x402 protocol. AI agents discover this API through the PayAPI Market MCP server and pay per request without API keys or accounts.

This API exposes 2 endpoints. Only the verified route has been tested by PayAPI Market. Other routes are unverified.

How to call this API

Every protected route returns HTTP 402 with x402 payment requirements. An agent pays the stated USDC amount on Base and retries with the payment header. No API keys, no accounts. Browse the marketplace or list your own API.

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