# Services from tools.moneytools.dev on Zero

> tools.moneytools.dev serves 70 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/tools.moneytools.dev
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/tools.moneytools.dev/health.json

## Services

- [MoneyTools IBAN Validator](https://www.zero.xyz/c/moneytools-iban-validator-17b9ab95/llms.txt): $0.001/call via x402. Validates an IBAN by checking country-specific length rules and mod-97 check digits, returning the BBAN and print-formatted IBAN.
- [MoneyTools Phone Number Validator & Formatter](https://www.zero.xyz/c/moneytools-phone-number-validator-formatter-45cb8f67/llms.txt): $0.001/call via x402. Validates and formats a phone number for 240+ regions using libphonenumber, returning E.164, international/national formats, type, and country.
- [MoneyTools Contract Event Logs (Decoded)](https://www.zero.xyz/c/moneytools-contract-event-logs-decoded-9dab438a/llms.txt): $0.002/call via x402. Fetches and decodes recent on-chain event logs for a smart contract (up to 5000 blocks back), using a provided event signature or the Sourcify signature database for automatic decoding.
- [MoneyTools Proxy/Upgradeability Inspector](https://www.zero.xyz/c/moneytools-proxy-upgradeability-inspector-3ab7d64e/llms.txt): $0.001/call via x402. Detects whether an Ethereum-compatible smart contract is a proxy and returns its implementation address, admin, and proxy standard (EIP-1967, EIP-1167, OZ, Safe, EIP-7702).
- [MoneyTools NFT Metadata & Owner Lookup](https://www.zero.xyz/c/moneytools-nft-metadata-owner-lookup-86c2db3e/llms.txt): $0.002/call via x402. Fetches ERC-721/1155 NFT metadata, owner address, tokenURI, and storage type (on-chain, IPFS, or mutable server) for any token on major EVM chains
- [MoneyTools Stablecoin Peg Monitor](https://www.zero.xyz/c/moneytools-stablecoin-peg-monitor-c086c53d/llms.txt): $0.001/call via x402. Returns current price and peg deviation in basis points for up to 15 major stablecoins, with on_peg/watch/depeg status flags.
- [MoneyTools Multi-Chain Crypto Address Validator](https://www.zero.xyz/c/moneytools-multi-chain-crypto-address-validator-4dc2ad3f/llms.txt): $0.001/call via x402. Validates a cryptocurrency address across multiple blockchains, identifies which network it belongs to, and checks well-formedness including EVM checksum, Bitcoin variants, Litecoin, Dogecoin, Tron, Solana, Cosmos bech32, and TON.
- [MoneyTools JWT Inspector & JWKS Verifier](https://www.zero.xyz/c/moneytools-jwt-inspector-jwks-verifier-7563e954/llms.txt): $0.002/call via x402. Decodes a JWT, explains its claims and expiry, and cryptographically verifies RS/PS/ES/EdDSA signatures against a provided JWKS URL or the issuer's OIDC discovery endpoint
- [MoneyTools Unit Converter](https://www.zero.xyz/c/moneytools-unit-converter-835b5805/llms.txt): $0.001/call via x402. Converts values between units of length, mass, volume, area, speed, time, data, energy, pressure, temperature, and cryptocurrency denominations (wei/gwei/ETH)
- [MoneyTools Encode/Hash/Decode Utility](https://www.zero.xyz/c/moneytools-encode-hash-decode-utility-22fa8e87/llms.txt): $0.001/call via x402. Performs cryptographic hashing, encoding, decoding, and EVM-related transformations including sha256/sha1/sha512/md5/keccak256, HMAC-SHA256, base64, hex, URL encoding, JWT decode, function selector, and EVM checksum address.
- [MoneyTools Currency Converter (FX)](https://www.zero.xyz/c/moneytools-currency-converter-fx-23e59656/llms.txt): $0.001/call via x402. Converts fiat currency amounts using daily reference exchange rates from ECB (via Frankfurter) and ExchangeRate-API, returning non-tradable indicative rates
- [MoneyTools Cron Next-Run Calculator](https://www.zero.xyz/c/moneytools-cron-next-run-calculator-8575573b/llms.txt): $0.001/call via x402. Returns the next N scheduled run times for a cron expression (or shorthand like @daily) in any IANA time zone, with a plain-language description
- [MoneyTools CSV ↔ JSON Converter](https://www.zero.xyz/c/moneytools-csv-json-converter-360df1e3/llms.txt): $0.001/call via x402. Converts CSV text to a typed JSON array (with auto delimiter detection and error rows) or converts a JSON array back to CSV
- [MoneyTools Markdown to HTML Renderer](https://www.zero.xyz/c/moneytools-markdown-to-html-renderer-efd57fcb/llms.txt): $0.001/call via x402. Converts GitHub-flavored Markdown to sanitized HTML with script URLs removed and raw HTML escaped, returning the rendered HTML plus a heading outline
- [MoneyTools OpenAPI Linter](https://www.zero.xyz/c/moneytools-openapi-linter-8d40c1ef/llms.txt): $0.003/call via x402. Lints an OpenAPI/Swagger spec (by URL or inline) for agent-readiness issues: operationIds, descriptions, responses, undeclared path params, missing security schemes, servers, and x402 payment info
- [MoneyTools Webhook Test Inbox](https://www.zero.xyz/c/moneytools-webhook-test-inbox-751ed531/llms.txt): $0.002/call via x402. Creates a temporary URL that records incoming HTTP requests (method, headers, body) for webhook and callback testing, readable back via a secret token.
- [MoneyTools Business-Day Calculator](https://www.zero.xyz/c/moneytools-business-day-calculator-d44b4e8a/llms.txt): $0.001/call via x402. Count business days between two dates or add N business days to a start date, using Taiwan, US federal, or plain-weekday calendars
- [MoneyTools Card Number Luhn Validator](https://www.zero.xyz/c/moneytools-card-number-luhn-validator-b14402fe/llms.txt): $0.001/call via x402. Validates a payment card number using Luhn checksum, identifies the card brand (Visa, Mastercard, Amex, etc.), and checks length correctness, returning only a masked number.
- [MoneyTools Password Strength Estimator](https://www.zero.xyz/c/moneytools-password-strength-estimator-8ff8ded0/llms.txt): $0.001/call via x402. Analyzes a password's strength using entropy, common-password checks, pattern detection, and crack-time estimates with actionable feedback
- [MoneyTools Color Converter + WCAG Contrast Checker](https://www.zero.xyz/c/moneytools-color-converter-wcag-contrast-checker-aaa84f97/llms.txt): $0.001/call via x402. Converts a color (hex/RGB/HSL/CSS name) to all major color formats and computes luminance, best readable text color, and WCAG AA/AAA contrast ratio against a second color.
- [MoneyTools IP/CIDR Calculator](https://www.zero.xyz/c/moneytools-ip-cidr-calculator-d5e44a69/llms.txt): $0.001/call via x402. Performs IPv4/IPv6 subnet math: computes network address, range, size, netmask, wildcard mask, type (private/reserved), and supports contains-check and subnet splitting.
- [MoneyTools Text Statistics & Token Estimator](https://www.zero.xyz/c/moneytools-text-statistics-token-estimator-9fa9ee28/llms.txt): $0.001/call via x402. Analyzes text to return character count, word count (CJK-aware), sentence and paragraph counts, reading time, LLM token estimate, and top words
- [MoneyTools Semver Compare & Range Check](https://www.zero.xyz/c/moneytools-semver-compare-range-check-f81dd88e/llms.txt): $0.001/call via x402. Parse and compare semantic versions, check a version against a semver range, find the max satisfying version, and sort a list of versions.
- [MoneyTools JSON Formatter, Validator & Path Query](https://www.zero.xyz/c/moneytools-json-formatter-validator-path-query-a5e3b0a9/llms.txt): $0.001/call via x402. Validates JSON with error location, pretty-prints/minifies/sorts keys, measures depth and size, and extracts values by dot-bracket path like a.b[0].c
- [MoneyTools YAML ↔ JSON Converter](https://www.zero.xyz/c/moneytools-yaml-json-converter-b9664c19/llms.txt): $0.001/call via x402. Converts YAML (including multi-document) to JSON or JSON to YAML, with line-numbered error reporting on failure
- [MoneyTools Number Base Converter (BigInt)](https://www.zero.xyz/c/moneytools-number-base-converter-bigint-bf7c502d/llms.txt): $0.001/call via x402. Converts big integers between any base 2–36 (binary, octal, decimal, hex, etc.) with optional two's complement representation for configurable bit widths
- [MoneyTools ID Generator & Decoder](https://www.zero.xyz/c/moneytools-id-generator-decoder-6660c3a6/llms.txt): $0.001/call via x402. Generate UUID v4/v7, ULID, or nanoid (up to 100 at once), or decode a UUID/ULID to its version and embedded timestamp
- [MoneyTools Text Diff](https://www.zero.xyz/c/moneytools-text-diff-6c36e8cf/llms.txt): $0.001/call via x402. Computes line, word, or character-level diff between two texts, returning a unified patch, added/removed counts, and similarity score
- [MoneyTools Regex Tester](https://www.zero.xyz/c/moneytools-regex-tester-1b3e39bd/llms.txt): $0.001/call via x402. Run a JavaScript regex against text and return all matches with indices and capture groups, with optional replace and ReDoS detection
- [MoneyTools A2A Agent Card Validator](https://www.zero.xyz/c/moneytools-a2a-agent-card-validator-0f808493/llms.txt): $0.002/call via x402. Fetches and validates an A2A agent-card.json (or legacy agent.json) from a given URL, checking required fields, skills, transport, and security declarations.
- [MoneyTools llms.txt Validator](https://www.zero.xyz/c/moneytools-llms-txt-validator-7b4ff254/llms.txt): $0.002/call via x402. Validates a site's /llms.txt file against the llmstxt.org format spec, checking H1, summary, sections, and link entries with optional link reachability checks
- [MoneyTools MCP Tool-Definition Linter](https://www.zero.xyz/c/moneytools-mcp-tool-definition-linter-f66b38b7/llms.txt): $0.003/call via x402. Lints MCP tool definitions from a live MCP server or a tools/list JSON array, scoring names, descriptions, JSON Schema, required params, and annotations with actionable fixes
- [MoneyTools IDN / Look-alike Domain Checker](https://www.zero.xyz/c/moneytools-idn-look-alike-domain-checker-2069d952/llms.txt): $0.001/call via x402. Detects homograph and look-alike domain attacks by decoding punycode, identifying mixed scripts, Cyrillic/Latin substitutions, and one-letter typos of major brands or crypto wallets.
- [MoneyTools SPF & DMARC Analyzer](https://www.zero.xyz/c/moneytools-spf-dmarc-analyzer-f93a2420/llms.txt): $0.002/call via x402. Recursively expands SPF includes, counts DNS lookups against the RFC 10-lookup limit, and flags weak or missing DMARC policies for a given domain
- [MoneyTools DNS Propagation Checker](https://www.zero.xyz/c/moneytools-dns-propagation-checker-14523d7e/llms.txt): $0.002/call via x402. Queries 6 public DNS resolvers (Cloudflare, Google, AdGuard, NextDNS, AliDNS, DNSPod) to check whether a DNS change has propagated globally
- [MoneyTools RSS/Atom/JSON Feed Reader](https://www.zero.xyz/c/moneytools-rss-atom-json-feed-reader-78424258/llms.txt): $0.002/call via x402. Parse an RSS, Atom, or JSON feed URL (or autodiscover one from a web page) into clean JSON with title, latest items, links, dates, and summaries.
- [MoneyTools Sitemap Reader](https://www.zero.xyz/c/moneytools-sitemap-reader-502aa93a/llms.txt): $0.002/call via x402. Fetches and parses a website's sitemap (via robots.txt discovery or direct URL), returning URL count, lastmod date range, sample URLs, and protocol issues.
- [MoneyTools OG Image Link-Preview Checker](https://www.zero.xyz/c/moneytools-og-image-link-preview-checker-ffd85aa0/llms.txt): $0.002/call via x402. Fetches a page's og:image (or a direct image URL) and checks if it works in link previews — returning status code, content type, file size, pixel dimensions, and aspect ratio against the ideal 1200×630.
- [MoneyTools TLS Certificate Expiry Checker](https://www.zero.xyz/c/moneytools-tls-certificate-expiry-checker-44d79ab9/llms.txt): $0.002/call via x402. Fetches the latest unexpired TLS certificates for a domain from Certificate Transparency logs, including issuer, SANs, expiry date, days remaining, and expiring-soon warnings
- [MoneyTools Security Headers Audit](https://www.zero.xyz/c/moneytools-security-headers-audit-12cad929/llms.txt): $0.002/call via x402. Audits a URL's HTTP security headers and grades them A–F, checking HSTS, CSP, clickjacking, nosniff, referrer policy, cookie flags, CORS, and version leaks with fix recommendations.
- [MoneyTools Loan & Mortgage Amortization Calculator](https://www.zero.xyz/c/moneytools-loan-mortgage-amortization-calculator-6e1ada2e/llms.txt): $0.001/call via x402. Calculates monthly payment, total interest, and full amortization schedule for annuity (equal-payment) or equal-principal loans
- [MoneyTools Impermanent Loss Calculator](https://www.zero.xyz/c/moneytools-impermanent-loss-calculator-5a88bb74/llms.txt): $0.001/call via x402. Calculates impermanent loss for liquidity providers comparing LP position value vs holding after a price move, supporting both Uniswap v2 full-range and v3 concentrated range positions.
- [MoneyTools Liquidation Price Calculator](https://www.zero.xyz/c/moneytools-liquidation-price-calculator-d496ee9a/llms.txt): $0.001/call via x402. Calculates liquidation price and distance for perpetual futures (isolated margin) or lending positions, including health factor for lending.
- [MoneyTools Bitcoin Fee Estimator](https://www.zero.xyz/c/moneytools-bitcoin-fee-estimator-912c9f35/llms.txt): $0.001/call via x402. Returns recommended Bitcoin fee rates (sat/vB) for next-block, 30-min, 1-hour, and economy confirmation targets, plus estimated cost in sats and USD for a given transaction size.
- [MoneyTools Bitcoin Address Balance Lookup](https://www.zero.xyz/c/moneytools-bitcoin-address-balance-lookup-f1491a5b/llms.txt): $0.001/call via x402. Returns confirmed and pending BTC balance (in BTC and USD), transaction count, address type, and address reuse status for any Bitcoin address
- [MoneyTools Solana Account & Token Balance Lookup](https://www.zero.xyz/c/moneytools-solana-account-token-balance-lookup-7b6ec744/llms.txt): $0.002/call via x402. Returns SOL balance (with USD value), account type (wallet or program), and all SPL/Token-2022 token balances for any Solana address via public RPC
- [MoneyTools ERC-4626 Vault Reader](https://www.zero.xyz/c/moneytools-erc-4626-vault-reader-9c87837b/llms.txt): $0.002/call via x402. Reads on-chain ERC-4626 yield vault metadata including underlying asset, total assets, share price, deposit status, and an optional holder's position.
- [MoneyTools ENS Name Availability Checker](https://www.zero.xyz/c/moneytools-ens-name-availability-checker-b6822ace/llms.txt): $0.001/call via x402. Checks whether an ENS (.eth) name is available, in grace period, or registered, returning expiry date, yearly base price, and a registration link.
- [MoneyTools Wallet Token Balances](https://www.zero.xyz/c/moneytools-wallet-token-balances-b9c701ac/llms.txt): $0.002/call via x402. Fetches native and ERC-20 token balances for a wallet address on major EVM chains via a single multicall
- [MoneyTools ABI Encode](https://www.zero.xyz/c/moneytools-abi-encode-d45574b8/llms.txt): $0.001/call via x402. Encodes Ethereum function calldata from a function signature and arguments, returning selector + ABI-encoded bytes ready for transaction review.
- [MoneyTools Contract Read (eth_call)](https://www.zero.xyz/c/moneytools-contract-read-eth-call-61c72f31/llms.txt): $0.001/call via x402. Calls any read-only (view) function on an EVM smart contract using a human-readable function signature and returns the decoded result, with optional historical block support.
- [MoneyTools Safe Multisig Inspector](ht

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