# Services from lin-desk-x402.lindesk.workers.dev on Zero

> lin-desk-x402.lindesk.workers.dev serves 32 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/lin-desk-x402.lindesk.workers.dev
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/lin-desk-x402.lindesk.workers.dev/health.json

## Services

- [Base Token Check by LIN Desk](https://www.zero.xyz/c/base-token-check-by-lin-desk-895972ac/llms.txt): $0.003/call via x402. Checks an ERC-20 token contract on Base mainnet for name, symbol, decimals, total supply, owner, proxy/upgradeability status, and risk flags.
- [Domain & Email Check by LIN Desk](https://www.zero.xyz/c/domain-email-check-by-lin-desk-1bcba6fc/llms.txt): $0.003/call via x402. Validates whether a domain or email's domain is legitimate, new, disposable, or spoofable by checking DNS records, SPF/DMARC configuration, RDAP registration data, and disposable-provider status, returning a 0-100 trust score and verdict.
- [AgentTimeTools by LIN Desk](https://www.zero.xyz/c/agenttimetools-by-lin-desk-c0ee38c4/llms.txt): $0.001/call via x402. Performs deterministic time/timezone operations for AI agents: convert unix↔ISO, timezone conversion, add/diff durations, and format/parse datetime strings.
- [Web2Markdown: Web Page / PDF to Clean Markdown](https://www.zero.xyz/c/web2markdown-web-page-pdf-to-clean-markdown-18cb792a/llms.txt): $0.002/call via x402. Fetches any public web page or PDF by URL and returns clean, LLM-ready Markdown text with title and metadata, billed per-call via x402.
- [AgentTextTools by LIN Desk](https://www.zero.xyz/c/agenttexttools-by-lin-desk-f3be0108/llms.txt): $0.001/call via x402. Performs deterministic text operations for AI agents including normalization, HTML stripping, hashing (SHA-256/BLAKE2b), truncation, slugification, line deduplication, character counting, and Chinese script conversion (OpenCC).
- [AgentDataFormat by LIN Desk](https://www.zero.xyz/c/agentdataformat-by-lin-desk-965f9c20/llms.txt): $0.001/call via x402. Deterministically converts between CSV, JSON, YAML, and XML formats and validates JSON against Draft 2020-12 schemas, with no network I/O or external dependencies.
- [Base Chain Wallet Balance Lookup](https://www.zero.xyz/c/base-chain-wallet-balance-lookup-fb0afa7f/llms.txt): $0.002/call via x402. Returns the ETH and USDC balance of any Ethereum address on Base mainnet, including block number and contract detection.
- [Chinese Script Converter (Simplified ↔ Traditional) by LIN Desk](https://www.zero.xyz/c/chinese-script-converter-simplified-traditional-by-lin-desk-483e75c9/llms.txt): $0.001/call via x402. Converts Chinese text between Simplified and Traditional script variants (Mainland, Hong Kong, Taiwan) deterministically.
- [ISO 8601 DateTime to Unix Timestamp Converter](https://www.zero.xyz/c/iso-8601-datetime-to-unix-timestamp-converter-bd9c4ffb/llms.txt): $0.001/call via x402. Converts an ISO 8601 datetime string (or human-readable datetime) to a Unix timestamp integer, with optional timezone support.
- [LIN Desk Dedupe Lines](https://www.zero.xyz/c/lin-desk-dedupe-lines-c36988fd/llms.txt): $0.001/call via x402. Removes duplicate lines from input text, returning only unique lines in order
- [LIN Desk YAML to JSON Converter](https://www.zero.xyz/c/lin-desk-yaml-to-json-converter-4075f773/llms.txt): $0.001/call via x402. Converts a YAML string into formatted JSON via a pay-per-call GET API endpoint.
- [Base Gas Price Oracle](https://www.zero.xyz/c/base-gas-price-oracle-640793d0/llms.txt): $0.002/call via x402. Returns current Base (L2) network gas price estimates including low/medium/high fee tiers, ETH/USD price, and USDC transfer cost estimates
- [Base Transaction Lookup](https://www.zero.xyz/c/base-transaction-lookup-7c86652c/llms.txt): $0.002/call via x402. Look up the status and details of a transaction on Base mainnet by its transaction hash
- [Web2Markdown Text Counter (chars/words/lines/bytes)](https://www.zero.xyz/c/web2markdown-text-counter-chars-words-lines-bytes-86c57af4/llms.txt): $0.001/call via x402. Counts characters, words, lines, and UTF-8 bytes in a given text string
- [Text Slugify API (Lin Desk Text Tools)](https://www.zero.xyz/c/text-slugify-api-lin-desk-text-tools-339fc89a/llms.txt): $0.001/call via x402. Converts arbitrary text into a URL-safe slug string (lowercase, hyphen-separated) via a simple GET request.
- [CSV to JSON Converter (LIN Desk)](https://www.zero.xyz/c/csv-to-json-converter-lin-desk-91683399/llms.txt): $0.001/call via x402. Converts CSV text into structured JSON array via a GET request with the CSV payload as a query parameter
- [JSON to CSV Converter](https://www.zero.xyz/c/json-to-csv-converter-83b30bdb/llms.txt): $0.001/call via x402. Converts JSON (or other structured data formats) into CSV text with configurable delimiter, returning column names, row count, and the CSV result.
- [Web2Markdown HTML Stripper (strip_html)](https://www.zero.xyz/c/web2markdown-html-stripper-strip-html-7a356d1c/llms.txt): $0.001/call via x402. Strips HTML tags from input text and returns clean plain text, suitable for LLM processing
- [Timezone Converter API (LIN Desk Timetools)](https://www.zero.xyz/c/timezone-converter-api-lin-desk-timetools-335fa43a/llms.txt): $0.001/call via x402. Converts a datetime string from one IANA timezone to another, returning the result as an ISO 8601 datetime string.
- [Web2Markdown Text Normalizer (Whitespace Collapse)](https://www.zero.xyz/c/web2markdown-text-normalizer-whitespace-collapse-7d04f2b8/llms.txt): $0.001/call via x402. Normalizes and cleans raw text by collapsing whitespace and standardizing formatting, returning LLM-ready plain text.
- [AgentTimeTools Add — Datetime Addition by LIN Desk](https://www.zero.xyz/c/agenttimetools-add-datetime-addition-by-lin-desk-1bbf6140/llms.txt): $0.001/call via x402. Adds a specified number of days and/or seconds to a given datetime string, returning the result as an ISO 8601 timestamp in the requested timezone
- [XML to JSON Converter API](https://www.zero.xyz/c/xml-to-json-converter-api-23aea1c0/llms.txt): $0.001/call via x402. Converts XML-formatted text into a structured JSON object via a GET request with query parameter input
- [Web2Markdown Text Truncate API](https://www.zero.xyz/c/web2markdown-text-truncate-api-30f4cf0d/llms.txt): $0.001/call via x402. Truncates a text string to a specified character limit, optionally appending an ellipsis, returning character counts and elapsed time.
- [JSON to YAML Converter](https://www.zero.xyz/c/json-to-yaml-converter-6cb112dd/llms.txt): $0.001/call via x402. Converts a JSON payload into equivalent YAML-formatted text via a pay-per-call GET endpoint.
- [BLAKE2b Hash Function API](https://www.zero.xyz/c/blake2b-hash-function-api-a2e052b9/llms.txt): $0.001/call via x402. Computes a BLAKE2b cryptographic hash of any input text, returning a hex digest of configurable length
- [Unix Timestamp to ISO 8601 Date-Time Converter (with Timezone)](https://www.zero.xyz/c/unix-timestamp-to-iso-8601-date-time-converter-with-timezone-7e537b53/llms.txt): $0.001/call via x402. Converts a Unix timestamp or datetime string to an ISO 8601 formatted date-time string in a specified IANA timezone
- [JSON Format / Pretty-Print API](https://www.zero.xyz/c/json-format-pretty-print-api-9d7071bf/llms.txt): $0.001/call via x402. Formats, minifies, or pretty-prints JSON, CSV, YAML, or XML payload text into clean JSON output
- [Datetime Diff Tool (Time Difference Calculator)](https://www.zero.xyz/c/datetime-diff-tool-time-difference-calculator-45da1648/llms.txt): $0.001/call via x402. Computes the difference between two datetime values, returning the result in days and seconds
- [SHA-256 Text Hashing Tool](https://www.zero.xyz/c/sha-256-text-hashing-tool-7a5238ae/llms.txt): $0.001/call via x402. Computes the SHA-256 hash of an input text string and returns the hex digest
- [LIN Desk Timetools Parse – Datetime/Unix/ISO Parser](https://www.zero.xyz/c/lin-desk-timetools-parse-datetime-unix-iso-parser-cc8d4123/llms.txt): $0.001/call via x402. Parses a datetime string, Unix timestamp, or ISO 8601 value into a normalized ISO 8601 and Unix timestamp pair, with optional timezone conversion.
- [Web2Markdown JSON Schema Validator](https://www.zero.xyz/c/web2markdown-json-schema-validator-e23622e4/llms.txt): $0.001/call via x402. Validates CSV, JSON, YAML, or XML input data against a JSON schema, returning validation results and errors
- [Datetime Format Tool (Time Formatter)](https://www.zero.xyz/c/datetime-format-tool-time-formatter-34f82cb8/llms.txt): $0.001/call via x402. Formats a datetime string, Unix timestamp, or ISO date into a human-readable string using a specified timezone and pattern.

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)