x4PayAPI Market

Agent Utility Network (AveDaris)

23 machine-to-machine utilities for autonomous agents with x402 V2 payment on Base USDC, including JSON repair and validation, normalization, DNS and web intelligence, composite data workflows, machine-readable discovery, MCP and A2A surfaces. Verified routes: POST /v1/paid/text-slugify (text.slugify), POST /v1/paid/json-validate (json.validate), POST /v1/paid/url-parse (url.parse), POST /v1/paid/json-repair (json.repair), POST /v1/paid/json-pretty (json.pretty), POST /v1/paid/json-minify (json.minify), POST /v1/paid/base64-encode (base64.encode), POST /v1/paid/base64-decode (base64.decode), POST /v1/paid/email-normalize (email.normalize), POST /v1/paid/querystring-parse (querystring.parse) and POST /v1/paid/uuid-validate (uuid.validate); the remaining utilities on this host are listed but not payment verified.

12 of 23 routes settlement-verified · $0.001–$0.04 USDC/request · 23 endpoints / 23 tools · Data · 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

Agent Utility Network (AveDaris) is listed in the Data category with pricing at $0.001–$0.04 USDC/request. 12 routes have been settlement-verified by PayAPI Market. 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 23 endpoints. Only the verified routes have 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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By AveDaris