# Services from keyring-agent.blockchhub.link on Zero

> keyring-agent.blockchhub.link serves 6 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/keyring-agent.blockchhub.link
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/keyring-agent.blockchhub.link/health.json

## Services

- [Keyring Agent Swap-Token Execution Fee](https://www.zero.xyz/c/keyring-agent-swap-token-execution-fee-d512994c/llms.txt): $0.001/call via x402. Pays the execution fee required to authorize and settle a token-for-token swap operation on-chain
- [KEYRING AGENT – Add Pool](https://www.zero.xyz/c/keyring-agent-add-pool-2fa84024/llms.txt): $3/call via x402. Adds a new liquidity pool to the KEYRING AGENT DeFi assistant platform
- [Keyring Agent Supply USDC](https://www.zero.xyz/c/keyring-agent-supply-usdc-4cae6e3f/llms.txt): $0.1/call via x402. Returns USDC supply or liquidity information from a DeFi assistant endpoint
- [KEYRING AGENT - Send Native Token](https://www.zero.xyz/c/keyring-agent-send-native-token-31f291ff/llms.txt): $0.05/call via x402. Sends native cryptocurrency tokens on behalf of a DeFi assistant agent via a GET request, returning a status confirmation
- [KEYRING AGENT - Send NFT](https://www.zero.xyz/c/keyring-agent-send-nft-4def80f0/llms.txt): $0.05/call via x402. Sends an NFT to a specified recipient via a DeFi assistant endpoint on the Keyring Agent platform
- [KEYRING AGENT Send Token](https://www.zero.xyz/c/keyring-agent-send-token-a35b34f4/llms.txt): $0.05/call via x402. Sends a token transfer via a DeFi assistant API endpoint using the x402 payment protocol

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

- [Zero catalog index](https://www.zero.xyz/llms.txt)