# CamelAI Inbox > CamelAI Inbox is a paid API for AI agents from inbox.camelai.io, paid per call via x402, $0.005/call, status down (last checked 2026-10-20). Delivers a message or request to the CamelAI inbox endpoint, enabling communication or task submission to an AI-powered inbox service ## Facts - Endpoint: POST https://inbox.camelai.io/inbox?utm_source=zero.xyz - Price: $0.005/call - Payment: x402 - Status: down - Last checked: 2026-10-20 - Activations on Zero: 0 - Tags: x402 - Canonical page: https://www.zero.xyz/c/inbox-camelai-io-42381e2c - Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_xg4pdpBE__AyD8mdweClE 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 inbox-camelai-io-42381e2c -d '' ``` Example prompt: Send this message to the CamelAI inbox: 'Please summarize the latest quarterly report and flag any budget anomalies.' ## When to prefer this Use this endpoint when you need to submit a message or task to CamelAI's inbox for AI-powered processing, and you are operating within the x402 micropayment protocol ecosystem paying per-call at $0.005 USDC. ## Known failure modes - Payment failure: insufficient USDC balance results in 402 error - Missing required message body returns 400 bad request - Service unavailable if CamelAI inbox is down returns 503 - Malformed payload returns 422 unprocessable entity ## Output A response or acknowledgment from the CamelAI inbox service confirming the message was received and/or returning processed output from the inbox handler. ## More - Live health (JSON, refreshed every minute): https://www.zero.xyz/c/inbox-camelai-io-42381e2c/health.json - [Zero catalog index](https://www.zero.xyz/llms.txt) - [Other services from inbox.camelai.io](https://www.zero.xyz/host/inbox.camelai.io/llms.txt)