"Speech & Transcription" matching MCP connectors:

Pay-per-call AI infrastructure for autonomous agents: DeFi market data, LLM inference, speech-to-text, text-to-speech, and trading research. x402 v2 pricing published before every call and settled in USDC on Base via the Coinbase CDP facilitator. No API key, no account, no subscription.

1,005 production x402 services for autonomous agents: micro-utilities, web extraction, research, speech, image and video. Pay per result in USDC on Base, no API key.