Arkham Integrates Coinbase's x402 Standard for AI Agent Payments

Arkham, a blockchain analytics platform, has integrated support for Coinbase's x402 Standard into its API. The integration allows AI agents to pay for API usage with USDC at the time of each request.

The combination of a Coinbase Agentic Wallet and the Arkham API enables an AI agent to track on-chain movements of large token holders, detect accumulation or distribution by those holders, and examine wallet flows in real-time.

The integration also allows AI agents to monitor large transactions and follow the activity of wallets labeled as smart money without requiring a human operator to query the blockchain manually.

Under Arkham's implementation, every endpoint follows the x402 (v2) flow. Requests are submitted as POST calls with all parameters, including those that would normally appear in the path, placed in the JSON body.