# Services from qcb7fnxsbd7fbhj4.68r.lambda-web.us-east-1.on.aws on Zero

> qcb7fnxsbd7fbhj4.68r.lambda-web.us-east-1.on.aws 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/qcb7fnxsbd7fbhj4.68r.lambda-web.us-east-1.on.aws
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/qcb7fnxsbd7fbhj4.68r.lambda-web.us-east-1.on.aws/health.json

## Services

- [x402 Utils – Phone Number Validation & Formatting](https://www.zero.xyz/c/x402-utils-phone-number-validation-formatting-e7fe864e/llms.txt): $0.001/call via x402. Validates a phone number, identifies its country and type (mobile, fixed line, toll-free, etc.), and returns it formatted as E.164, international, and national formats using libphonenumber metadata.
- [x402 Utils – Date Arithmetic & Difference Calculator](https://www.zero.xyz/c/x402-utils-date-arithmetic-difference-calculator-cd16019c/llms.txt): $0.001/call via x402. Add or subtract an ISO 8601 duration to/from a date, or compute the difference between two dates in days, weeks, months, years, seconds, and business days (with country-specific public holidays).
- [x402 Utils – Regex Match & Replace (RE2)](https://www.zero.xyz/c/x402-utils-regex-match-replace-re2-3c533193/llms.txt): $0.001/call via x402. Runs a RE2 regular expression on a text, returning all matches with positions and capture groups, plus an optional replacement result.
- [x402 Utils — Token Counter](https://www.zero.xyz/c/x402-utils-token-counter-cc36111b/llms.txt): $0.001/call via x402. Counts tokens, characters, words, and lines in a text for OpenAI models (o200k_base for GPT-4o+, cl100k_base for GPT-4) to help size prompts and estimate LLM costs.
- [x402 Utils - Cryptographic Hash](https://www.zero.xyz/c/x402-utils-cryptographic-hash-03f15890/llms.txt): $0.001/call via x402. Computes MD5, SHA-1, SHA-256, SHA-512, SHA3-256, and Keccak-256 (Ethereum) hashes of text or binary data, returning results as hex and base64
- [x402 Utils – Time Zone Lookup](https://www.zero.xyz/c/x402-utils-time-zone-lookup-bdbbc823/llms.txt): $0.001/call via x402. Returns the current or specified time in one or more IANA time zones, with UTC offset, abbreviation, DST status, and weekday
- [x402 Utils — Unit Converter](https://www.zero.xyz/c/x402-utils-unit-converter-015882dd/llms.txt): $0.001/call via x402. Converts a numeric value from one unit to another across categories like length, mass, temperature, speed, data size, energy, and more using mathjs units.
- [x402 Utils – Country Holidays Lookup](https://www.zero.xyz/c/x402-utils-country-holidays-lookup-461e387b/llms.txt): $0.001/call via x402. Returns public, bank, school, optional, and observance holidays for a given country (and optionally a state/region) in a specified year, sourced from the date-holidays dataset covering ~200 countries.
- [x402 Utils – Cron Expression Explainer](https://www.zero.xyz/c/x402-utils-cron-expression-explainer-590b454e/llms.txt): $0.001/call via x402. Parses a cron expression and returns a plain-English description plus its next N scheduled run times in a given time zone.
- [x402 Utils – Text Encoding & Decoding](https://www.zero.xyz/c/x402-utils-text-encoding-decoding-bb246970/llms.txt): $0.001/call via x402. Encodes or decodes text using base64, base64url, hex, URL percent-encoding, or HTML escaping.
- [x402 Utils – Random ID Generator](https://www.zero.xyz/c/x402-utils-random-id-generator-64f82379/llms.txt): $0.001/call via x402. Generates up to 100 cryptographically random IDs in UUID v4, UUID v7 (time-ordered), ULID, or nanoid format per request.
- [x402 Utils – JWT Decoder](https://www.zero.xyz/c/x402-utils-jwt-decoder-4e057496/llms.txt): $0.001/call via x402. Decodes a JWT's header and claims without verifying the signature, and reports issuance time, expiry time, expiry status, and seconds until expiry.
- [x402 Utils – Text Diff](https://www.zero.xyz/c/x402-utils-text-diff-4d32487d/llms.txt): $0.001/call via x402. Compares two texts by lines, words, or characters and returns what was added, removed, and a unified diff for line-mode comparisons.
- [x402 Utils – JSON Schema Validator](https://www.zero.xyz/c/x402-utils-json-schema-validator-44de7b84/llms.txt): $0.001/call via x402. Validates a JSON value against a JSON Schema (draft-07/2019-09) and returns a detailed list of all validation errors with their paths, using RE2-safe pattern matching.
- [x402 Utils – High-Precision Math Expression Evaluator](https://www.zero.xyz/c/x402-utils-high-precision-math-expression-evaluator-72874153/llms.txt): $0.001/call via x402. Evaluates arithmetic expressions with 64 significant digits of precision, supporting operators, functions (trig, logs, roots), constants, units, percentages, and basic statistics

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)