# Services from api.agentx402.ai on Zero

> api.agentx402.ai serves 18 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/api.agentx402.ai
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/api.agentx402.ai/health.json

## Services

- [AgentRAG – Hybrid Retrieval-Augmented Query](https://www.zero.xyz/c/agentrag-hybrid-retrieval-augmented-query-41555b44/llms.txt): $0.008/call via x402. Accepts a natural language query and optional source URLs, performs hybrid dense-vector + BM25 retrieval with reranking, and returns ranked, cited text chunks relevant to the query
- [AgentX402 Web Reader (Scout Read)](https://www.zero.xyz/c/agentx402-web-reader-scout-read-25463d0b/llms.txt): $0.004/call via x402. Fetches a URL and returns its content as clean markdown, billed per successful fetch via x402 micropayment — no API key or signup required.
- [AgentX402 Site Crawler](https://www.zero.xyz/c/agentx402-site-crawler-c73379e4/llms.txt): $0.004/call via x402. Crawls a website up to a specified page budget and returns clean markdown content for every page plus a manifest, settling payment upfront via x402 with credits refunded for unused pages.
- [AgentX402 Scout Extract](https://www.zero.xyz/c/agentx402-scout-extract-b65c2aff/llms.txt): $0.02/call via x402. Fetches a URL and extracts schema-valid structured JSON from the page using a provided JSON Schema, with pay-per-success billing over x402
- [AgentKV – Read Key (GET)](https://www.zero.xyz/c/agentkv-read-key-get-0c1e3b9e/llms.txt): $0.003/call via x402. Reads an encrypted value from the agent-native key-value store for the specified key, billed per-request via x402 micropayment.
- [AgentKV Key-Value Read (GET)](https://www.zero.xyz/c/agentkv-key-value-read-get-b0e106ee/llms.txt): $0.003/call via x402. Reads the value stored at a specific key in an agent-native encrypted key-value store, billed per-request via x402 micropayment with no API key required.
- [AgentX402 Key-Value Store – Read (GET)](https://www.zero.xyz/c/agentx402-key-value-store-read-get-77f83b5e/llms.txt): $0.003/call via x402. Reads a value from an agent-native, client-side encrypted key-value store, billed $0.003 USDC per call via x402 with no signup required
- [AgentKV — Read Key (GET)](https://www.zero.xyz/c/agentkv-read-key-get-f58982f6/llms.txt): $0.003/call via x402. Reads and returns the client-side encrypted value stored under a specific key in the caller's wallet-namespaced key-value store, paid per request via x402.
- [AgentKV Read (GET) — Encrypted Key-Value Lookup](https://www.zero.xyz/c/agentkv-read-get-encrypted-key-value-lookup-6621af46/llms.txt): $0.003/call via x402. Reads a value from the agent-native encrypted key-value store for a specific key, billed per-request via x402 micropayment with no API key required.
- [AgentRAG Ingest](https://www.zero.xyz/c/agentrag-ingest-44cfd801/llms.txt): $0.005/call via x402. Pre-warms the AgentRAG retrieval index by ingesting URLs, crawl roots, or raw text documents ahead of querying, or forces a refresh of already-indexed pages.
- [AgentKV – Read Key (GET)](https://www.zero.xyz/c/agentkv-read-key-get-0a8e8a2a/llms.txt): $0.003/call via x402. Reads an encrypted value from the AgentKV key-value store at a specific key path, billed per request via x402 micropayment with no signup required.
- [AgentKV Encrypted Key-Value Read (v3 Verify)](https://www.zero.xyz/c/agentkv-encrypted-key-value-read-v3-verify-a95fa728/llms.txt): $0.003/call via x402. Reads (GET) a stored encrypted key-value entry from the agent-native AgentKV store using the x402 micropayment protocol, specifically at the v3/verify path
- [AgentKV – Read Key (GET)](https://www.zero.xyz/c/agentkv-read-key-get-2f1f5044/llms.txt): $0.003/call via x402. Reads a value from an agent-native, client-side encrypted key-value store, billed per-request via x402 micropayment with no API key required.
- [AgentKV Read (GET)](https://www.zero.xyz/c/agentkv-read-get-a363a483/llms.txt): $0.003/call via x402. Reads a value from an agent-native, client-side encrypted key-value store at a specific key, paid per-request via x402 micropayment
- [AgentKV – Read Key (GET)](https://www.zero.xyz/c/agentkv-read-key-get-16010b0f/llms.txt): $0.003/call via x402. Reads (retrieves) a value from an agent-native encrypted key-value store using x402 micropayments, with no signup or API key required.
- [AgentKV Read/Verify Key (u3b:verify)](https://www.zero.xyz/c/agentkv-read-verify-key-u3b-verify-50907219/llms.txt): $0.003/call via x402. Reads or verifies a specific encrypted key-value entry at path u3b:verify from an agent-native key-value store, paying $0.003 USDC per request via x402 with no signup required.
- [AgentKV – Encrypted Key-Value Read (GET)](https://www.zero.xyz/c/agentkv-encrypted-key-value-read-get-9c84cbb3/llms.txt): $0.003/call via x402. Reads a value from an agent-native, client-side encrypted key-value store using a wallet-scoped namespace, billed per request via x402 micropayment.
- [AgentKV – Encrypted Key-Value Read (GET)](https://www.zero.xyz/c/agentkv-encrypted-key-value-read-get-b5cc0814/llms.txt): $0.003/call via x402. Reads a stored value from an agent-native, client-side encrypted key-value store, billed per-request via x402 micropayment with no signup or API key required.

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)