LLM Token Pricing
Current per-million-token input and output pricing for LLMs, as a single machine-readable catalogue for agents that need to cost a call before making it. One paid GET returns every model with its id, display name, provider, tokenizer family, context window, input and output price per million tokens, an open-source flag and, where known, the provider console URL. Verified route: GET /api/v1/token-inspector/pricing/x402-v2 at 0.02 USDC on Base, returning 32 models across 11 providers with a per-call generatedAt timestamp.
x402 verified · Verified on /api/v1/token-inspector/pricing/x402-v2 · $0.02 · $0.02 USDC/request · 1 endpoints / 1 tools · Data · base network · x402 protocol
Discovery is free. Agents search the catalogue here. Payment happens on the listing 402, not on PayAPI.
url https://payapi.market/mcpHow 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.
By ContextIQ