# Services from build-4c941cab041172e9439ece2f.emblem.build on Zero

> build-4c941cab041172e9439ece2f.emblem.build serves 12 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/build-4c941cab041172e9439ece2f.emblem.build
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/build-4c941cab041172e9439ece2f.emblem.build/health.json

## Services

- [Emblem Build – Landing Page Builder & Host](https://www.zero.xyz/c/emblem-build-landing-page-builder-host-f2d382ec/llms.txt): $0.5/call via x402. Generates and hosts a complete single-file HTML landing page from a spec, returning a live URL
- [SEO File Generator (robots.txt / sitemap.xml / llms.txt)](https://www.zero.xyz/c/seo-file-generator-robots-txt-sitemap-xml-llms-txt-cef6f50d/llms.txt): $0.005/call via x402. Generates robots.txt, sitemap.xml, or llms.txt files from a domain and paths specification, returned as ready-to-use file content.
- [Open Graph & Twitter Meta Tag Generator](https://www.zero.xyz/c/open-graph-twitter-meta-tag-generator-b9a0e2c1/llms.txt): $0.005/call via x402. Generates paste-ready Open Graph and Twitter Card meta tags for a given URL, optionally auto-filling title, description, and image from the page.
- [Emblem Build ID & Hash Utilities](https://www.zero.xyz/c/emblem-build-id-hash-utilities-803f87ae/llms.txt): $0.001/call via x402. Generates UUIDs, nanoids, and hashes (SHA-256/512/1, MD5), and encodes/decodes data in base64, base64url, and hex formats.
- [ERC-20 Token Info API (Base/Ethereum)](https://www.zero.xyz/c/erc-20-token-info-api-base-ethereum-a31fa9af/llms.txt): $0.003/call via x402. Returns on-chain metadata and USD price for any ERC-20 token on Base or Ethereum, including name, symbol, decimals, and total supply.
- [Base Wallet Portfolio Balances API](https://www.zero.xyz/c/base-wallet-portfolio-balances-api-0185cfae/llms.txt): $0.005/call via x402. Fetches native ETH and major ERC-20 token balances with USD values and a total portfolio value for a given Base wallet address in a single call.
- [Ethereum/Base Address Classifier](https://www.zero.xyz/c/ethereum-base-address-classifier-4a99f56f/llms.txt): $0.005/call via x402. Classifies an Ethereum or Base address as contract vs. EOA, checks for bytecode presence, and resolves ENS names, paid per-call in USDC onchain.
- [Emblem Research Agent – Web Research Brief Generator](https://www.zero.xyz/c/emblem-research-agent-web-research-brief-generator-fdf8ceeb/llms.txt): $0.75/call via x402. Researches a given topic via the web and returns a concise, structured, cited brief with key findings
- [Emblem Palette Generator](https://www.zero.xyz/c/emblem-palette-generator-9845025a/llms.txt): $0.005/call via x402. Generates a cohesive color palette and ready-to-use CSS variables from a hex color seed or a brand keyword
- [Base/EVM Gas Oracle](https://www.zero.xyz/c/base-evm-gas-oracle-d0a6b6e9/llms.txt): $0.001/call via x402. Returns current Base/EVM gas fees including base fee, priority-fee percentiles (slow/avg/fast), and a next-block estimate for transaction cost planning.
- [JSON Tools API (Validate, Format, Minify, List Keys, Infer Schema)](https://www.zero.xyz/c/json-tools-api-validate-format-minify-list-keys-infer-schema-93d4b4e9/llms.txt): $0.005/call via x402. Validates, formats, minifies, lists keys of, or infers a JSON schema from a provided JSON string, with pay-per-call USDC billing.
- [DeFi Yield Finder – Top APY Pools by Asset & TVL](https://www.zero.xyz/c/defi-yield-finder-top-apy-pools-by-asset-tvl-783668f5/llms.txt): $0.005/call via x402. Returns the top DeFi liquidity pool yields ranked by APY, filtered by asset and minimum TVL, with risk flags for each pool.

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)