# Services from api.ambolt.dev on Zero

> api.ambolt.dev serves 34 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.ambolt.dev
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/api.ambolt.dev/health.json

## Services

- [Ambolt Disposable Email Check](https://www.zero.xyz/c/ambolt-disposable-email-check-d31ab59c/llms.txt): $0.003/call via x402. Checks whether an email address is disposable/temporary, validates syntax, estimates deliverability, and checks MX records via a pay-per-call API.
- [Ambolt LEI Lookup](https://www.zero.xyz/c/ambolt-lei-lookup-8db72741/llms.txt): $0.005/call via x402. Look up Legal Entity Identifier (LEI) records from the GLEIF Golden Copy database by LEI code or company name and country.
- [Ambolt Package Vulnerability Scanner](https://www.zero.xyz/c/ambolt-package-vulnerability-scanner-963d761e/llms.txt): $0.003/call via x402. Checks an npm or PyPI package for known security vulnerabilities, deprecation status, and latest version info sourced from OSV.dev
- [Ambolt DK CO2 Intensity](https://www.zero.xyz/c/ambolt-dk-co2-intensity-dee0322e/llms.txt): $0.005/call via x402. Returns the current and 24-hour CO2 emission intensity (grams CO2 per kWh) for Danish electricity price areas DK1 or DK2, sourced from Energinet's open dataset.
- [Ambolt Base Token Facts](https://www.zero.xyz/c/ambolt-base-token-facts-db27bc59/llms.txt): $0.01/call via x402. Fetches on-chain facts about an ERC-20 token contract on the Base network, including metadata, proxy structure, ownership, supply, and detected capabilities.
- [Ambolt Danish Electricity Prices API](https://www.zero.xyz/c/ambolt-danish-electricity-prices-api-69fa6ae8/llms.txt): $0.01/call via x402. Returns hourly or 15-minute day-ahead electricity spot prices for Danish and Nordic bidding areas, including cheapest-hour summaries, in DKK and EUR per MWh.
- [Ambolt TED Notices Search](https://www.zero.xyz/c/ambolt-ted-notices-search-996a483a/llms.txt): $0.01/call via x402. Search EU public procurement notices from TED (Tenders Electronic Daily) by keyword, CPV code, country, notice type, and date filters
- [Ambolt Tender Feed](https://www.zero.xyz/c/ambolt-tender-feed-2a2a80e6/llms.txt): $0.02/call via x402. Searches and retrieves public procurement tender notices from EU (TED), UK (Find a Tender), and US (SAM.gov) sources with optional CPV code and keyword filtering.
- [Ambolt Entity Resolve](https://www.zero.xyz/c/ambolt-entity-resolve-dfc786f2/llms.txt): $0.01/call via x402. Looks up and resolves company identities against official business registers using name, domain, registry number, LEI, or VAT number
- [Ambolt EU VAT Number Validator](https://www.zero.xyz/c/ambolt-eu-vat-number-validator-e5622499/llms.txt): $0.003/call via x402. Validates a European VAT number against the EU VIES system and returns company name, address, and validity status.
- [Ambolt Solana Token Facts](https://www.zero.xyz/c/ambolt-solana-token-facts-cbb9c208/llms.txt): $0.01/call via x402. Fetches on-chain and market facts for a Solana token by its mint address, including price, supply, holders, liquidity, authorities, and largest accounts.
- [Ambolt Base Wallet Balances](https://www.zero.xyz/c/ambolt-base-wallet-balances-e4efe686/llms.txt): $0.005/call via x402. Fetches live ETH and ERC-20 token balances for a wallet address on the Base blockchain (chain ID 8453)
- [Ambolt DOI Lookup](https://www.zero.xyz/c/ambolt-doi-lookup-d1ce4c6b/llms.txt): $0.003/call via x402. Looks up scholarly publication metadata by DOI or citation text search, returning title, authors, year, publisher, citation count, and license information via the Crossref REST API.
- [Ambolt ECB FX Rate Lookup](https://www.zero.xyz/c/ambolt-ecb-fx-rate-lookup-83866871/llms.txt): $0.003/call via x402. Returns European Central Bank official foreign exchange reference rates for a given base currency, date, and amount, optionally filtered to specific target currencies.
- [Ambolt ENS Resolve](https://www.zero.xyz/c/ambolt-ens-resolve-c45a72e8/llms.txt): $0.003/call via x402. Resolves an ENS name to its Ethereum address (or reverse-looks up a name from an address) via on-chain data.
- [Ambolt Sitemap & Robots Doctor](https://www.zero.xyz/c/ambolt-sitemap-robots-doctor-a68399de/llms.txt): $0.005/call via x402. Audits a website's sitemap and robots.txt for issues, returning stats, validation errors, and sample URL status checks.
- [Ambolt ECB Key Interest Rates](https://www.zero.xyz/c/ambolt-ecb-key-interest-rates-4c2d0cbe/llms.txt): $0.003/call via x402. Returns the European Central Bank's three key policy interest rates (deposit facility, main refinancing, and marginal lending) with recent historical observations.
- [Ambolt Tech Stack Lookup](https://www.zero.xyz/c/ambolt-tech-stack-lookup-8c12f649/llms.txt): $0.005/call via x402. Detects the technologies, frameworks, and web servers used by one or more public websites by analyzing HTTP headers and page content.
- [Ambolt IBAN Validate](https://www.zero.xyz/c/ambolt-iban-validate-268de668/llms.txt): $0.003/call via x402. Validates an IBAN string and returns parsed components including country, check digits, normalized form, and validity status.
- [Ambolt RSS Feed Normaliser](https://www.zero.xyz/c/ambolt-rss-feed-normaliser-1e48d0cd/llms.txt): $0.003/call via x402. Fetches and normalises any RSS or Atom feed (or a web page linking to one) into a clean, structured JSON response with titles, summaries, timestamps and metadata.
- [Ambolt DNS Lookup](https://www.zero.xyz/c/ambolt-dns-lookup-98d32aab/llms.txt): $0.003/call via x402. Performs a DNS lookup for a given domain, returning A, AAAA, MX, TXT, NS, and CNAME records along with parsed email security metadata (SPF, DMARC).
- [Ambolt Base Transaction Lookup](https://www.zero.xyz/c/ambolt-base-transaction-lookup-1a45343a/llms.txt): $0.005/call via x402. Fetches confirmed on-chain transaction details from the Base mainnet by transaction hash
- [Ambolt URL-to-Markdown Converter](https://www.zero.xyz/c/ambolt-url-to-markdown-converter-7e03ae11/llms.txt): $0.003/call via x402. Fetches a public URL and returns its content converted to clean Markdown text, with optional character limit.
- [Ambolt Base ERC-20 Token Balance Lookup](https://www.zero.xyz/c/ambolt-base-erc-20-token-balance-lookup-f48e5159/llms.txt): $0.003/call via x402. Retrieves the ERC-20 token balance for a given wallet address on the Base blockchain network.
- [Ambolt Domain RDAP Lookup](https://www.zero.xyz/c/ambolt-domain-rdap-lookup-ca94298c/llms.txt): $0.003/call via x402. Looks up RDAP registration data for a domain name, returning registrar, status, nameservers, expiry, DNSSEC, and age information.
- [Ambolt URL Metadata Extractor](https://www.zero.xyz/c/ambolt-url-metadata-extractor-5c6001a0/llms.txt): $0.003/call via x402. Fetches structured metadata (title, description, Open Graph, feeds, language, canonical URL, etc.) from one or up to 20 public HTTP(S) URLs in a single call.
- [Ambolt Nordic Company Lookup](https://www.zero.xyz/c/ambolt-nordic-company-lookup-a3653418/llms.txt): $0.005/call via x402. Looks up Norwegian and Finnish company registry data by organisation number or company name, returning structured business details from official national registers.
- [Ambolt Wikipedia Summary](https://www.zero.xyz/c/ambolt-wikipedia-summary-3352652b/llms.txt): $0.003/call via x402. Fetches a plain-text summary, description, and metadata for a Wikipedia article by title and language code
- [Ambolt Base Token Info](https://www.zero.xyz/c/ambolt-base-token-info-21454b4a/llms.txt): $0.003/call via x402. Looks up on-chain metadata for an ERC-20 token contract on the Base network, returning name, symbol, decimals, and total supply.
- [Ambolt Solana Token Search](https://www.zero.xyz/c/ambolt-solana-token-search-61e6da1f/llms.txt): $0.003/call via x402. Search the Solana token index by symbol, name, or mint address to retrieve token metadata, market data, and organic score heuristics.
- [Ambolt US Treasury Rates](https://www.zero.xyz/c/ambolt-us-treasury-rates-2132aa31/llms.txt): $0.003/call via x402. Returns month-end average interest rates for US Treasury Bills, Notes, and Bonds for up to 24 recent months.
- [Ambolt Solana Wallet Balances](https://www.zero.xyz/c/ambolt-solana-wallet-balances-4ce3870b/llms.txt): $0.01/call via x402. Fetches SOL and SPL token balances with USD valuations for a given Solana wallet address
- [Ambolt Solana Transaction Lookup](https://www.zero.xyz/c/ambolt-solana-transaction-lookup-8c1a8cf2/llms.txt): $0.005/call via x402. Fetches on-chain details for a Solana transaction by signature, returning slot, block time, signers, fee, compute units, SOL balance changes, and token changes.
- [Ambolt Solana Token Price Lookup](https://www.zero.xyz/c/ambolt-solana-token-price-lookup-3781e79a/llms.txt): $0.003/call via x402. Returns current USD prices, 24h price change, and liquidity data for up to 50 Solana token mint addresses in a single 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)