# x402 Chain Intel – Developer Activity Feed > x402 Chain Intel – Developer Activity Feed is a paid API for AI agents from x402-chain-intel.vercel.app, paid per call via x402, $0.07/call, status unknown (last checked 2026-10-12). Returns on-chain developer/wallet activity data for use by trading bots, paid per call via x402 micropayment protocol ## Facts - Endpoint: POST https://x402-chain-intel.vercel.app/api/dev/activity?utm_source=zero.xyz - Price: $0.07/call - Payment: x402 - Status: unknown - Last checked: 2026-10-12 - Activations on Zero: 0 - Tags: x402 - Canonical page: https://www.zero.xyz/c/x402-chain-intel-developer-activity-feed-7bc0615b - Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_rzGbDSAUFIJZljPCnYnkC Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently. ## How to call it through Zero Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`): ```sh zero fetch --capability x402-chain-intel-developer-activity-feed-7bc0615b -d '' ``` Example prompt: Pull the latest on-chain developer activity for wallet 0xABC123 on Ethereum from x402 Chain Intel so my trading bot can use it as a signal. ## When to prefer this Choose this endpoint when you need raw on-chain developer activity data as a trading signal, especially if your bot operates in an x402 micropayment-compatible environment and you want pay-per-call pricing at $0.07 USDC rather than a subscription. Best for algorithmic trading bots, DeFi signal pipelines, or any system that wants to monitor developer wallet behavior on-chain. ## Known failure modes - Payment not received or x402 micropayment handshake fails — returns 402 Payment Required - Invalid or malformed wallet address — returns 400 Bad Request - Unsupported blockchain network — returns 400 or empty results - Rate limiting if too many calls in a short window — returns 429 Too Many Requests - Endpoint unavailable or Vercel cold start timeout — returns 503 or timeout error ## How this service works 27 paid endpoints for trading bots ## Output A JSON response containing on-chain developer/wallet activity records including transaction events, timestamps, and blockchain metadata relevant to trading bot signal generation. ## More - Live health (JSON, refreshed every minute): https://www.zero.xyz/c/x402-chain-intel-developer-activity-feed-7bc0615b/health.json - [Zero catalog index](https://www.zero.xyz/llms.txt) - [Other services from x402-chain-intel.vercel.app](https://www.zero.xyz/host/x402-chain-intel.vercel.app/llms.txt)