QuickBuild agent APIs
Pay-per-call web, AI, Base on-chain data, market data (crypto prices, FX) and LLM chat tools for AI agents over x402 (USDC on Base). No accounts or API keys. Credit: 402 Index (MIT)
Listed · $0.001–$0.02 USDC/request · 18 endpoints · Finance · base network · x402 protocol
Networks: Base (accepted)
Discovery is free. Agents search the catalogue here. Payment happens on the listing 402, not on PayAPI.
url https://payapi.market/mcpListing facts
- Provider
- Unclaimed
- Hosted at
quickbuild.quynguyenbac.workers.dev- Category
- Finance
- Price
- $0.001 to $0.02 USDC per request
- Endpoints
- 18
- Payment networks
- Base
- Settlement-verified
- Not yet. Listed, not paid for by PayAPI Market.
- Listed on PayAPI Market
- 2026-10-30
About this API
QuickBuild agent APIs is listed in the Finance category with pricing at $0.001–$0.02 USDC/request.
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 18 endpoints.
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Questions about this API
What does QuickBuild agent APIs do?
Pay-per-call web, AI, Base on-chain data, market data (crypto prices, FX) and LLM chat tools for AI agents over x402 (USDC on Base). No accounts or API keys. Credit: 402 Index (MIT) It is provided by Unclaimed.
How much does QuickBuild agent APIs cost?
QuickBuild agent APIs is priced at $0.001 to $0.02 USDC per request, paid per call with no subscription. 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 QuickBuild agent APIs?
No. QuickBuild agent APIs 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 QuickBuild agent APIs been verified?
Not yet. QuickBuild agent APIs is listed and answers an x402 payment challenge, but PayAPI Market has not paid for a call to it, so it carries no settlement-verified badge.
How does an AI agent find QuickBuild agent APIs?
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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