# Services from toolbelt402.tpoborne.workers.dev on Zero

> toolbelt402.tpoborne.workers.dev serves 21 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/toolbelt402.tpoborne.workers.dev
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/toolbelt402.tpoborne.workers.dev/health.json

## Services

- [XML to JSON Converter with Validation](https://www.zero.xyz/c/xml-to-json-converter-with-validation-947fd313/llms.txt): $0.003/call via x402. Parses XML into JSON with line-numbered validation errors, attribute preservation, and optional type coercion — supports RSS, sitemaps, and SOAP-style payloads.
- [JMESPath JSON Query](https://www.zero.xyz/c/jmespath-json-query-2301afca/llms.txt): $0.003/call via x402. Evaluates a JMESPath expression against a JSON document to extract, filter, project, and reshape nested data.
- [HTML to Markdown Converter](https://www.zero.xyz/c/html-to-markdown-converter-8d7d3159/llms.txt): $0.005/call via x402. Converts raw HTML into clean, LLM-ready Markdown, preserving headings, lists, tables, links, and code blocks deterministically without an LLM.
- [Text Encoding and Decoding Converter](https://www.zero.xyz/c/text-encoding-and-decoding-converter-1b38b545/llms.txt): $0.001/call via x402. Encodes or decodes text between base64, base64url, hex, URL percent-encoding, and HTML entities formats
- [Markdown to HTML Converter](https://www.zero.xyz/c/markdown-to-html-converter-95b76f92/llms.txt): $0.003/call via x402. Renders Markdown text to HTML using CommonMark spec with autolinking, safely escaping any raw HTML in the input rather than executing it.
- [JSON to CSV Converter](https://www.zero.xyz/c/json-to-csv-converter-a7bb5c55/llms.txt): $0.002/call via x402. Converts an array of JSON objects into a CSV string, with column union across rows or explicit column ordering, stringifying nested values into cells.
- [JWT Decoder with Timing Analysis](https://www.zero.xyz/c/jwt-decoder-with-timing-analysis-6adfeb2b/llms.txt): $0.002/call via x402. Decodes a JWT into its header and payload components, and performs timing analysis including issued-at, not-before, and expiry as ISO timestamps, expired flag, and seconds until expiry — without verifying the signature.
- [Text Diff (Unified Patch + Counts)](https://www.zero.xyz/c/text-diff-unified-patch-counts-8e6a88e8/llms.txt): $0.002/call via x402. Compares two text strings and returns a unified diff patch plus added/removed/unchanged counts, with support for line, word, or character granularity.
- [URL Preflight Checker](https://www.zero.xyz/c/url-preflight-checker-fe9975ee/llms.txt): $0.005/call via x402. Checks a URL before fetching it, returning liveness, final URL after redirects, HTTP status, content type, HTML title, and robots.txt accessibility for a given user-agent.
- [Cron Expression to Plain English Translator](https://www.zero.xyz/c/cron-expression-to-plain-english-translator-e94f630a/llms.txt): $0.001/call via x402. Translates a cron expression into a human-readable plain English description (e.g. '0 */4 * * *' → 'Every 4 hours').
- [Toolbelt402 Regex Tester](https://www.zero.xyz/c/toolbelt402-regex-tester-552c5040/llms.txt): $0.002/call via x402. Tests and debugs a regular expression against up to 50 sample strings, returning match results, capture groups, named groups, and pass/fail evaluations against expectations.
- [Cron Expression Parser & Next-Run Calculator](https://www.zero.xyz/c/cron-expression-parser-next-run-calculator-2f58e791/llms.txt): $0.001/call via x402. Parses and validates a cron expression, returning the next N scheduled run times as ISO 8601 timestamps in any IANA timezone.
- [JSON Schema Validator (draft-07 / 2019-09 / 2020-12)](https://www.zero.xyz/c/json-schema-validator-draft-07-2019-09-2020-12-a2c78847/llms.txt): $0.002/call via x402. Validates a JSON data instance against a provided JSON Schema and returns exact error locations, keywords, and messages for programmatic handling.
- [CSV to JSON Converter](https://www.zero.xyz/c/csv-to-json-converter-f41dff0e/llms.txt): $0.003/call via x402. Parses CSV text into structured JSON rows with auto-delimiter detection, quoted field handling, optional type coercion, and per-row error reporting
- [Toolbelt402 Time Math](https://www.zero.xyz/c/toolbelt402-time-math-f33eb8e0/llms.txt): $0.001/call via x402. Performs date/time arithmetic: computes the difference between two datetimes, adds or subtracts ISO-8601 durations from a start time, or converts a timestamp to any IANA timezone with UTC offset and weekday.
- [JSON Structural Diff](https://www.zero.xyz/c/json-structural-diff-2462892b/llms.txt): $0.003/call via x402. Computes a structural diff between two JSON documents, returning add/remove/change operations with JSON-Pointer paths, before/after values, and an identical flag.
- [Web Page Extractor — Clean Markdown via URL Fetch](https://www.zero.xyz/c/web-page-extractor-clean-markdown-via-url-fetch-97b92290/llms.txt): $0.02/call via x402. Fetches up to 5 URLs and returns the main article content as clean Markdown with title, author, date, links, images, word count, and reading time — stripping nav, ads, and footers.
- [Multi-Algorithm Hash Generator](https://www.zero.xyz/c/multi-algorithm-hash-generator-09334e44/llms.txt): $0.002/call via x402. Hashes a string or bytes using multiple algorithms simultaneously (SHA-1, SHA-256, SHA-384, SHA-512, SHA3-256, keccak-256) and returns hex digests for all
- [Checksum Validator (IBAN, Luhn, EAN-13, ISBN, UUID, ULID)](https://www.zero.xyz/c/checksum-validator-iban-luhn-ean-13-isbn-uuid-ulid-33fc9aa8/llms.txt): $0.002/call via x402. Validates identifiers by checksum algorithm — IBAN (mod-97), payment card numbers (Luhn), EAN-13 barcodes, ISBN-10/13, UUIDs (RFC-4122), and ULIDs — in batches up to 100 per call with per-item pass/fail reasons.
- [JSON Repair Service](https://www.zero.xyz/c/json-repair-service-06616808/llms.txt): $0.005/call via x402. Fixes invalid, malformed, or truncated JSON strings and returns both the parsed object and the corrected JSON text, deterministically without an LLM.
- [URL Parser & Resolver](https://www.zero.xyz/c/url-parser-resolver-e1e8ef9d/llms.txt): $0.001/call via x402. Parses an absolute URL into its component parts (host, path, query params, fragment, origin) or resolves a relative reference against a base URL.

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)