"General Information Request" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Marketplace of pay-per-call APIs for AI agents. Top up once with USDC, then call any listed API - gasless, walletless, metered per request. Includes onboarded providers and hundreds of x402-native APIs discovered on-chain.
Deploy and manage blockchain nodes across 70+ protocols, search docs, request testnet funds.
Search and call pay-per-request data services, paying in USDC on Base with x402.
Self-authenticating booking-request receipt anchored to the Knox chain; never represents a person.
OpenSpender gives your agent an allowance, not your API keys: one self-custodial USDC wallet that pays per request for web search, frontier models (Claude, GPT, Gemini, Grok), image and video generation, and a growing catalog of x402/MPP machine-payable APIs — every call priced before it's paid and capped by budgets you set.
