x4PayAPI Market

Fixed documented point rules (returned in rules[]) over live public Base RPC

Fixed documented point rules (returned in rules[]) over live public Base RPC reads, Blockscout and the free GeckoTerminal API (liquidity, volume, FDV, price change, top pool). Unavailable values are null and not scored (listed in unknown[]). No LLM. Every response has disclaimer: "informational only, not investment advice". Not a contract = 404, invalid = 400, never charged.

1 route settlement-verified · $0.01 USDC/request · 1 endpoint · Finance · 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

Listing facts

Provider
QuickBuild
Hosted at
quickbuild.quynguyenbac.workers.dev
Category
Finance
Price
$0.01 USDC per request
Payment networks
Base
Settlement-verified
1 route, last checked 2026-11-01
Listed on PayAPI Market
2026-11-01

Try Fixed documented point rules (returned in rules[]) over live public Base RPC

Call a verified route without paying first. The server should answer HTTP 402 Payment Required with the price, the USDC asset, the network and the wallet to pay. An x402 client pays that amount on Base and retries with the payment header.

curl -i "https://quickbuild.quynguyenbac.workers.dev/api/base/token-verdict?address=0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"

About this API

Fixed documented point rules (returned in rules[]) over live public Base RPC is listed in the Finance category with pricing at $0.01 USDC/request. One route has been settlement-verified by PayAPI Market on 2026-11-01. 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 1 endpoint.

Questions about this API

What does Fixed documented point rules (returned in rules[]) over live public Base RPC do?

Fixed documented point rules (returned in rules[]) over live public Base RPC reads, Blockscout and the free GeckoTerminal API (liquidity, volume, FDV, price change, top pool). Unavailable values are null and not scored (listed in unknown[]). No LLM. Every response has disclaimer: "informational only, not investment advice". Not a contract = 404, invalid = 400, never charged. It is provided by QuickBuild.

How much does Fixed documented point rules (returned in rules[]) over live public Base RPC cost?

Fixed documented point rules (returned in rules[]) over live public Base RPC is priced at $0.01 USDC per request, paid per call with no subscription. Verified with a $0.01 test payment on 1 Nov 2026. The exact amount for each call is in the HTTP 402 response before any money moves.

Do I need an API key or account to use Fixed documented point rules (returned in rules[]) over live public Base RPC?

No. Fixed documented point rules (returned in rules[]) over live public Base RPC uses the x402 protocol, so an agent pays per request in USDC on Base and gets the response, with no API key, account or signup.

Has Fixed documented point rules (returned in rules[]) over live public Base RPC been verified?

Yes, 1 route. PayAPI Market paid for a real call from its own wallet, received real data back and recorded the USDC settlement on-chain, most recently on 2026-11-01.

How does an AI agent find Fixed documented point rules (returned in rules[]) over live public Base RPC?

Through the free PayAPI Market MCP server at https://payapi.market/mcp, using search_apis or get_api, or over plain HTTP at https://payapi.market/agent/search. Discovery is free; the agent pays the provider directly on the listing's own 402.

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