# Services from x402.fablerlabs.com on Zero

> x402.fablerlabs.com serves 15 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/x402.fablerlabs.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/x402.fablerlabs.com/health.json

## Services

- [Fabler Labs KRW Crypto Price Lookup](https://www.zero.xyz/c/fabler-labs-krw-crypto-price-lookup-7df670c4/llms.txt): $0.001/call via x402. Fetches live Korean Won (KRW) spot price for a given crypto symbol from Upbit and/or Bithumb exchanges, including spread and 24h volume data.
- [Fabler Labs Perpetual Funding Rate Spread Comparison](https://www.zero.xyz/c/fabler-labs-perpetual-funding-rate-spread-comparison-648daa93/llms.txt): $0.001/call via x402. Compares current perpetual futures funding rates across Binance, Bybit, Hyperliquid, and OKX, returning annualized rates, cross-venue spreads, mark prices, and funding timestamps.
- [Fabler Labs Pre-Deploy Security Audit Validator](https://www.zero.xyz/c/fabler-labs-pre-deploy-security-audit-validator-3a615785/llms.txt): $0.08/call via x402. Validates a submitted 18-point pre-deployment security checklist and returns a readiness verdict with blocking items and evidence gaps.
- [Fabler Labs NFT Owner Lookup (x402)](https://www.zero.xyz/c/fabler-labs-nft-owner-lookup-x402-e3c06390/llms.txt): $0.003/call via x402. Looks up the current owner address of an ERC-721 NFT token on the Base blockchain, given a contract address and token ID.
- [Fabler Labs Polymarket Activity Feed (x402)](https://www.zero.xyz/c/fabler-labs-polymarket-activity-feed-x402-a668a44c/llms.txt): $0.001/call via x402. Fetches public trade and activity history for a given Polymarket wallet address, paginated and filterable by type, side, and time range, via a micropayment-gated x402 API.
- [Fabler Labs Web Scraper (x402)](https://www.zero.xyz/c/fabler-labs-web-scraper-x402-639859f1/llms.txt): $0.005/call via x402. Fetches and extracts clean text content from a public HTTPS URL, returning metadata like title, author, date, word count, and full article text
- [Fabler Labs URL Security Audit (x402 API)](https://www.zero.xyz/c/fabler-labs-url-security-audit-x402-api-d8b97c36/llms.txt): $0.08/call via x402. Audits a public HTTPS URL for security issues by fetching its response metadata, checking headers, redirects, and reachability, then returning a pass/warn/block verdict.
- [Fablerlabs Secret Scanner](https://www.zero.xyz/c/fablerlabs-secret-scanner-8b966dc6/llms.txt): $0.005/call via x402. Scans text or source code for accidentally-committed secrets such as API keys, tokens, and private keys before publication.
- [Fabler Labs OG Image Renderer](https://www.zero.xyz/c/fabler-labs-og-image-renderer-5684d5c8/llms.txt): $0.01/call via x402. Generates a styled Open Graph (OG) social preview image from a title and subtitle, in dark or light theme, via x402 micropayment.
- [Fabler Labs Agent Config Auditor (x402)](https://www.zero.xyz/c/fabler-labs-agent-config-auditor-x402-290580fc/llms.txt): $0.05/call via x402. Audits an AI agent's CLAUDE.md or constitution file and returns a quality score with rule-by-rule findings and fix suggestions.
- [Fabler Labs Constitution Packs v1 (x402)](https://www.zero.xyz/c/fabler-labs-constitution-packs-v1-x402-0accbfdd/llms.txt): $19/call via x402. Purchases and downloads a 'Constitution Packs v1' digital product file via the x402 micropayment protocol for $19 USDC per call.
- [Fabler Labs Pre-Deploy Security Checklist (x402)](https://www.zero.xyz/c/fabler-labs-pre-deploy-security-checklist-x402-b968dd86/llms.txt): $0.1/call via x402. Downloads a pre-deployment security checklist document for AI agents or software projects, purchased via x402 micropayment protocol for $0.10 USDC.
- [Fabler Labs Machine Store – Buy Pack (x402)](https://www.zero.xyz/c/fabler-labs-machine-store-buy-pack-x402-60d0ecc2/llms.txt): $24/call via x402. Purchases and downloads a product pack from the Fabler Labs machine store by paying $24 USDC via the x402 protocol, returning the pack as a binary file download.
- [Fabler Labs Machine Store – Buy Agent Kit (x402)](https://www.zero.xyz/c/fabler-labs-machine-store-buy-agent-kit-x402-36880eaa/llms.txt): $29/call via x402. Purchases and downloads the 'agent-kit' product file from the Fabler Labs machine store via the x402 micropayment protocol for $29 USDC per call.
- [Fabler Labs AI Coding Security Pack v1 (x402)](https://www.zero.xyz/c/fabler-labs-ai-coding-security-pack-v1-x402-fde69224/llms.txt): $29/call via x402. Delivers the AI Coding Security Pack v1 digital product as a binary file download, purchased instantly via x402 micropayment protocol at $29 USDC per call.

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)