
An npm SDK that adds x402 USDC payment requirements to API and MCP server endpoints, enabling AI agents to pay for protected services on Base Mainnet.
Prices and medians update for the tier you select. Caution: thin market — treat statistics as indicative.
Ranked by how closely each one matches M2MCent SDK's job. Prices show each provider's Pro state; entry prices are labelled as such. Unpriced products still belong to the market.
Thin market — few comparable priced products; treat statistics as indicative.