# Services from earn-tools-backend.onrender.com on Zero

> earn-tools-backend.onrender.com serves 13 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/earn-tools-backend.onrender.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/earn-tools-backend.onrender.com/health.json

## Services

- [Earn Tools Web Extractor](https://www.zero.xyz/c/earn-tools-web-extractor-b6dea840/llms.txt): $0.001/call via x402. Fetches a public static webpage and returns clean markdown, metadata, word count, and links for agent research and RAG pipelines.
- [INCOME 2 Agent Tools – Hash & Encode](https://www.zero.xyz/c/income-2-agent-tools-hash-encode-c9cb1268/llms.txt): $0.001/call via x402. Hashes or encodes a string using SHA-256, SHA-512, HMAC-SHA-256, Base64, or decodes a JWT — returning the transformed result as clean JSON.
- [INCOME 2 Agent Tools – SHA-256 Hash](https://www.zero.xyz/c/income-2-agent-tools-sha-256-hash-4cd16360/llms.txt): $0.001/call via x402. Computes a SHA-256 cryptographic hash of an input string via a pay-per-call x402 API
- [INCOME 2 Agent Tools – JWT Decode](https://www.zero.xyz/c/income-2-agent-tools-jwt-decode-d689caf7/llms.txt): $0.001/call via x402. Decodes a JWT token and returns its claims, verifying its structure and signature status
- [INCOME 2 Agent Tools – HMAC-SHA256](https://www.zero.xyz/c/income-2-agent-tools-hmac-sha256-9f2d4edb/llms.txt): $0.001/call via x402. Computes an HMAC-SHA256 hash of an input string using a provided key, returning the hex digest as a pay-per-call x402 microservice.
- [INCOME 2 Agent Tools – Base64 Decode](https://www.zero.xyz/c/income-2-agent-tools-base64-decode-fb85327d/llms.txt): $0.001/call via x402. Decodes a Base64-encoded string and returns the original plaintext result via a pay-per-call x402 micro-payment endpoint.
- [INCOME 2 Agent Tools – Prompt Scan](https://www.zero.xyz/c/income-2-agent-tools-prompt-scan-e5fee980/llms.txt): $0.001/call via x402. Scans a text prompt or message for purchase-related risk signals and returns a risk classification with a numeric risk score
- [INCOME 2 Agent Tools – Base64 Encode](https://www.zero.xyz/c/income-2-agent-tools-base64-encode-0dd39a29/llms.txt): $0.001/call via x402. Encodes an arbitrary string input into its Base64 representation, returning the encoded result as a JSON payload.
- [INCOME 2 Agent Tools – SHA-512 Hash](https://www.zero.xyz/c/income-2-agent-tools-sha-512-hash-a859ea60/llms.txt): $0.001/call via x402. Computes a SHA-512 cryptographic hash of the provided input string, returning the hex digest result.
- [INCOME 2 Agent Tools – URL Audit](https://www.zero.xyz/c/income-2-agent-tools-url-audit-ed6edf90/llms.txt): $0.001/call via x402. Audits a given URL and returns basic security and reachability metadata such as HTTPS status and HTTP response code
- [INCOME 2 Agent Tools – x402 Buyer Check](https://www.zero.xyz/c/income-2-agent-tools-x402-buyer-check-137d2672/llms.txt): $0.001/call via x402. Probes a URL to detect whether it returns an x402 payment challenge, validating that an endpoint is a legitimate x402-gated payable resource before a buyer commits funds.
- [INCOME 2 Agent Tools – Seller Status](https://www.zero.xyz/c/income-2-agent-tools-seller-status-e6486697/llms.txt): $0.001/call via x402. Returns the current operational status of the INCOME 2 Agent Tools seller node, including asset type, network, and attestation readiness for x402 pay-per-call transactions.
- [INCOME 2 Agent Tools – JSON Q&A / Data Validation](https://www.zero.xyz/c/income-2-agent-tools-json-q-a-data-validation-b64cdd54/llms.txt): $0.001/call via x402. Accepts an array of JSON records and returns quality analysis including record count and duplicate detection

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)