# Services from quickbuild.quynguyenbac.workers.dev on Zero

> quickbuild.quynguyenbac.workers.dev serves 19 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/quickbuild.quynguyenbac.workers.dev
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/quickbuild.quynguyenbac.workers.dev/health.json

## Services

- [QuickBuild FX Rate](https://www.zero.xyz/c/quickbuild-fx-rate-37e4d597/llms.txt): $0.002/call via x402. Returns live or historical foreign-exchange rates from a base currency to one or more target currencies, with optional amount conversion.
- [QuickBuild Crypto Price API](https://www.zero.xyz/c/quickbuild-crypto-price-api-d874a811/llms.txt): $0.001/call via x402. Returns live price, market cap, 24h volume, and 24h % change for up to 25 cryptocurrencies, looked up by ticker symbol, CoinGecko ID, or token contract address and chain
- [QuickBuild Web Summarizer](https://www.zero.xyz/c/quickbuild-web-summarizer-a4c3ab50/llms.txt): $0.02/call via x402. Fetches a public URL or accepts raw text and returns an AI-generated summary with key points, topics, entities, sentiment, and facts
- [QuickBuild Base Wallet Balance Lookup](https://www.zero.xyz/c/quickbuild-base-wallet-balance-lookup-56bea749/llms.txt): $0.002/call via x402. Returns ETH balance, ERC-20 token balances, USD values, nonce, and account type for any address on the Base blockchain
- [QuickBuild Base Network Gas Estimator](https://www.zero.xyz/c/quickbuild-base-network-gas-estimator-afbe51eb/llms.txt): $0.001/call via x402. Returns real-time gas prices, fee suggestions, ETH/USD rate, and estimated transaction costs for the Base (chain ID 8453) network
- [QuickBuild Image Generation API](https://www.zero.xyz/c/quickbuild-image-generation-api-cb2e5d5d/llms.txt): $0.01/call via x402. Generates a 1024×1024 AI image from a text prompt using the Flux-1-Schnell diffusion model, returning base64 JSON or raw JPEG bytes
- [QuickBuild Text-to-Speech API](https://www.zero.xyz/c/quickbuild-text-to-speech-api-797969f3/llms.txt): $0.005/call via x402. Converts text into spoken audio (WAV) using the MeloTTS model, returning base64-encoded audio or raw WAV bytes in multiple languages
- [QuickBuild Translate API](https://www.zero.xyz/c/quickbuild-translate-api-43e67815/llms.txt): $0.005/call via x402. Translates text or the main content of a public URL from any language to a target language using an LLM model
- [QuickBuild Text Embeddings API](https://www.zero.xyz/c/quickbuild-text-embeddings-api-3c9250a8/llms.txt): $0.001/call via x402. Converts text strings into dense float vector embeddings using BGE and Gemma models, with optional dimension truncation.
- [QuickBuild Web Page to Markdown Converter](https://www.zero.xyz/c/quickbuild-web-page-to-markdown-converter-e2392b06/llms.txt): $0.005/call via x402. Fetches a public URL and returns its content as clean Markdown text, with optional character truncation
- [QuickBuild Website Screenshot API](https://www.zero.xyz/c/quickbuild-website-screenshot-api-e78294e7/llms.txt): $0.008/call via x402. Captures a screenshot of any public URL and returns it as a base64-encoded PNG/JPEG image or raw image bytes
- [QuickBuild Base Token Info API](https://www.zero.xyz/c/quickbuild-base-token-info-api-b5306cd9/llms.txt): $0.002/call via x402. Looks up ERC-20 token metadata and optional holder balance on the Base blockchain by contract address
- [QuickBuild Web Audit API](https://www.zero.xyz/c/quickbuild-web-audit-api-e937e306/llms.txt): $0.05/call via x402. Scans a public URL and returns a categorized report of security headers, broken links, sitemap issues, and other web quality problems
- [QuickBuild Reranker — BGE Document Reranking API](https://www.zero.xyz/c/quickbuild-reranker-bge-document-reranking-api-aa91626c/llms.txt): $0.002/call via x402. Reranks a list of documents by relevance to a query using BGE reranker models, returning scored results ordered by relevance.
- [QuickBuild Base Transaction Lookup](https://www.zero.xyz/c/quickbuild-base-transaction-lookup-6fcc70b2/llms.txt): $0.002/call via x402. Looks up detailed information about a Base chain transaction by hash, returning status, gas, value, ERC-20 transfers, and fee data.
- [QuickBuild IP Geolocation Lookup](https://www.zero.xyz/c/quickbuild-ip-geolocation-lookup-3cfc47d7/llms.txt): $0.001/call via x402. Returns geolocation and network metadata for the caller's IP address, including city, region, country, ASN, coordinates, timezone, and TLS/HTTP protocol details.
- [QuickBuild Web Metadata Scraper](https://www.zero.xyz/c/quickbuild-web-metadata-scraper-4f89a0cf/llms.txt): $0.005/call via x402. Fetches and returns metadata (title, description, Open Graph, Twitter cards, link counts, HTTP status) for any public URL
- [QuickBuild LLM Chat API](https://www.zero.xyz/c/quickbuild-llm-chat-api-ffb19efe/llms.txt): $0.003/call via x402. Runs a user prompt through a small open-source LLM (Llama, Mistral, or Granite) and returns generated text, token usage, and finish reason — pay-per-call via x402.
- [QuickBuild LLM Chat Completions](https://www.zero.xyz/c/quickbuild-llm-chat-completions-8e4c3944/llms.txt): $0.003/call via x402. Runs a prompt or chat message history through a hosted open-source LLM (Llama, Mistral, or Granite) and returns an OpenAI-compatible chat completion response

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)