# Services from agent-exec.45.67.221.128.sslip.io on Zero

> agent-exec.45.67.221.128.sslip.io serves 11 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/agent-exec.45.67.221.128.sslip.io
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/agent-exec.45.67.221.128.sslip.io/health.json

## Services

- [agent-exec Pay-Per-Use Code Execution (Medium Plan)](https://www.zero.xyz/c/agent-exec-pay-per-use-code-execution-medium-plan-ec98e725/llms.txt): $0.0055/call via x402. Executes submitted source code in an isolated, network-less sandbox and returns stdout, stderr, and exit code — no account or API key required, payment via HTTP 402.
- [agent-exec Pay-Per-Use Code Execution (Plan: Small)](https://www.zero.xyz/c/agent-exec-pay-per-use-code-execution-plan-small-83d2b480/llms.txt): $0.0051/call via x402. Executes submitted source code in an isolated, network-less sandbox on a pay-per-use basis via HTTP 402 micropayment, returning stdout, stderr, and exit code — no account or API key required.
- [agent-exec Claim Key Renewal](https://www.zero.xyz/c/agent-exec-claim-key-renewal-015374fb/llms.txt): $0.0052/call via x402. Extends the expiration time of an existing code-execution claim key by adding an hour, day, or week to its remaining duration, billed via x402 micropayment.
- [Agent-Exec Handoff — Pay-Per-Use Agent State Handoff](https://www.zero.xyz/c/agent-exec-handoff-pay-per-use-agent-state-handoff-6d846fec/llms.txt): $0.0053/call via x402. Creates a paid, time-limited handoff briefing that encodes task state (done, not-done, in-flight) so a successor AI agent can pick up exactly where a previous agent left off.
- [Agent-Exec Code Execution Sandbox](https://www.zero.xyz/c/agent-exec-code-execution-sandbox-f387002f/llms.txt): $0.001/call via x402. Executes Python 3 or Node.js code in an isolated, network-less sandbox and returns stdout, stderr, and exit code as JSON
- [agent-exec Pay-Per-Use Code Execution (Large Plan)](https://www.zero.xyz/c/agent-exec-pay-per-use-code-execution-large-plan-6d5db38c/llms.txt): $0.0125/call via x402. Executes submitted source code in an isolated, network-less sandbox on the large plan tier via HTTP 402 micropayment, returning stdout, stderr, and exit code
- [agent-exec Distributed Lock / Key Claim (POST /claim)](https://www.zero.xyz/c/agent-exec-distributed-lock-key-claim-post-claim-b036f4c4/llms.txt): $0.0052/call via x402. Acquires a named, time-bounded exclusive lock (key claim) scoped to a paying wallet, with payment settled per attempt via x402 regardless of win/loss.
- [Agent-Exec URL Attestation](https://www.zero.xyz/c/agent-exec-url-attestation-98c41399/llms.txt): $0.008/call via x402. Fetches a URL from a neutral vantage point and returns a cryptographically signed attestation of the HTTP response metadata (status, body hash, content-type, redirects) without returning the body itself.
- [agent-exec Drift Monitor — API Endpoint Change Detector](https://www.zero.xyz/c/agent-exec-drift-monitor-api-endpoint-change-detector-cd3abb7f/llms.txt): $0.0061/call via x402. Fetches a live snapshot of a known API-discovery venue and compares it to a stored baseline, returning both bodies, metadata, and a diff-events list so agents can detect changes.
- [Agent-Exec Deadman Switch Registration](https://www.zero.xyz/c/agent-exec-deadman-switch-registration-898199e7/llms.txt): $0.0054/call via x402. Registers a pay-per-use deadman switch entry that probes a URL after a lease expires to confirm or refute a declared intent, using accountless HTTP 402 micropayment.
- [agent-exec.45.67.221.128.sslip.io Promote Listing](https://www.zero.xyz/c/agent-exec-45-67-221-128-sslip-io-promote-listing-501da5b5/llms.txt): $0.0667/call via x402. Purchase paid placement (day plan) for an existing listing in the agent-exec x402 services directory, boosting it above free listings for the duration of payment

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)