# Services from x402-agent-tools.nerolabs.workers.dev on Zero

> x402-agent-tools.nerolabs.workers.dev serves 29 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/x402-agent-tools.nerolabs.workers.dev
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/x402-agent-tools.nerolabs.workers.dev/health.json

## Services

- [US Sales Tax Economic Nexus Checker](https://www.zero.xyz/c/us-sales-tax-economic-nexus-checker-e8665adb/llms.txt): $0.003/call via x402. Determines which US states a remote seller must register in to collect sales tax based on economic nexus thresholds, given sales and transaction counts per state.
- [Nero Labs UK Business Trust Check](https://www.zero.xyz/c/nero-labs-uk-business-trust-check-aecf4e56/llms.txt): $0.05/call via x402. Checks up to 10 UK businesses and returns a trust verdict for each, covering Companies House status, filing history, directors, insolvency notices, website match, and food hygiene ratings
- [Nero Labs US Minimum Wage Lookup](https://www.zero.xyz/c/nero-labs-us-minimum-wage-lookup-b1affc7d/llms.txt): $0.003/call via x402. Returns the legally applicable hourly minimum wage at a US address or state/city/county on a given date, including federal, state, county, and city rates, tipped wages, industry-specific rates, and upcoming scheduled changes.
- [Nero Labs Breach Notification Rules Engine](https://www.zero.xyz/c/nero-labs-breach-notification-rules-engine-c2bd76ed/llms.txt): $0.003/call via x402. Calculates every data breach notification obligation a company owes across US states and international jurisdictions, including deadlines and official sources.
- [Nero Labs AI Dataset Enrichment](https://www.zero.xyz/c/nero-labs-ai-dataset-enrichment-4d50bb69/llms.txt): $0.002/call via x402. Applies a plain-English AI instruction to every row of a JSON array (up to 50 rows), returning new columns defined by the caller — using Claude Haiku at $0.002 per row.
- [Nero Labs Pay Transparency Law Checker](https://www.zero.xyz/c/nero-labs-pay-transparency-law-checker-8a2246e7/llms.txt): $0.003/call via x402. Checks a job posting against applicable pay transparency laws across US states/cities, Canadian provinces, and EU countries, returning required disclosures, checklists, salary history bans, and penalties per jurisdiction.
- [Nero Labs Data Aggregate & Pivot](https://www.zero.xyz/c/nero-labs-data-aggregate-pivot-4d0b1fe9/llms.txt): $0.002/call via x402. Groups up to 500 JSON rows and computes per-group statistics (count, sum, avg, min, max, median, distinct count, first, last) with date bucketing, pivot tables, sorting, and top-N filtering.
- [Nero Labs JSON Data Cleaner](https://www.zero.xyz/c/nero-labs-json-data-cleaner-160dd6fd/llms.txt): $0.002/call via x402. Cleans up to 150 messy JSON rows by removing duplicates, flattening nested objects, normalizing emails/phones/URLs, stripping HTML, coercing types, and dropping empty fields — returning cleaned rows plus a change report.
- [Nero Labs Tech Stack Detector](https://www.zero.xyz/c/nero-labs-tech-stack-detector-41b12124/llms.txt): $0.005/call via x402. Detects the technology stack (CMS, ecommerce, analytics, CDN, payments, chat, etc.) behind up to 20 websites, with per-technology confidence scores and DNS-based service detection.
- [Nero Labs Bulk OCR – Image & PDF to Text](https://www.zero.xyz/c/nero-labs-bulk-ocr-image-pdf-to-text-1a10ccc0/llms.txt): $0.005/call via x402. Extracts text from up to 10 images or PDFs per call using OCR across 100+ languages, returning per-file and per-page text with confidence scores
- [Nero Labs Bulk PageSpeed Checker](https://www.zero.xyz/c/nero-labs-bulk-pagespeed-checker-87c4bdc3/llms.txt): $0.005/call via x402. Runs Google PageSpeed Insights (Lighthouse) on up to 10 URLs and returns performance, accessibility, best-practices, and SEO scores plus Core Web Vitals and top optimization suggestions for mobile and/or desktop.
- [Nero Labs RDAP/WHOIS Domain Lookup](https://www.zero.xyz/c/nero-labs-rdap-whois-domain-lookup-c5a45ec9/llms.txt): $0.005/call via x402. Looks up registration details for up to 15 domains via RDAP (modern WHOIS), returning age, expiry, registrar, status codes, and name servers, with flags for new or expiring domains.
- [Nero Labs PDF Extract](https://www.zero.xyz/c/nero-labs-pdf-extract-21b79a2c/llms.txt): $0.01/call via x402. Extracts plain text or Markdown (including tables) from up to 10 PDF URLs, returning metadata like page count, title, author, and dates, and flagging scan-only PDFs.
- [UK Companies House Lookup by Company Number](https://www.zero.xyz/c/uk-companies-house-lookup-by-company-number-02084f37/llms.txt): $0.01/call via x402. Looks up UK company details from Companies House by company number, returning name, status, type, address, incorporation date, SIC codes, and officer information for up to 20 companies per call.
- [Nero Labs Poland KRS Company Lookup](https://www.zero.xyz/c/nero-labs-poland-krs-company-lookup-9cf233cd/llms.txt): $0.01/call via x402. Looks up Polish companies in the official KRS court register by KRS number, returning name, legal form, status, NIP, REGON, address, share capital, board members, and registration dates — up to 20 companies per call.
- [Nero Labs Ireland CRO Company Lookup](https://www.zero.xyz/c/nero-labs-ireland-cro-company-lookup-7f99b288/llms.txt): $0.01/call via x402. Looks up Irish companies in the official CRO register by company number or name, returning status, type, registered address, incorporation date, and recent filings.
- [Nero Labs Call Score](https://www.zero.xyz/c/nero-labs-call-score-25c8e6ea/llms.txt): $0.04/call via x402. Transcribes up to 5 call recordings and scores each with AI across greeting, needs finding, booking, objection handling, missed opportunities, sentiment, and a coaching summary
- [Nero Labs Phone Number Validator](https://www.zero.xyz/c/nero-labs-phone-number-validator-7c1552ac/llms.txt): $0.002/call via x402. Validates up to 100 phone numbers from any country, returning E.164 format, national format, country, line type (mobile, landline, VoIP, toll-free), and validity status using Google's libphonenumber.
- [Nero Labs Web Page Reader](https://www.zero.xyz/c/nero-labs-web-page-reader-5ad1b0b3/llms.txt): $0.002/call via x402. Fetches a public web page and returns its cleaned main article text plus rich metadata (title, author, dates, language, image, canonical URL) using Mozilla Readability
- [Nero Labs Dataset Filter & Transform](https://www.zero.xyz/c/nero-labs-dataset-filter-transform-6685a76a/llms.txt): $0.002/call via x402. Filters, transforms, sorts, and deduplicates up to 500 JSON rows in a single call, returning kept rows with drop-reason counts
- [Nero Labs List Merge & Deduplicate](https://www.zero.xyz/c/nero-labs-list-merge-deduplicate-5119e93e/llms.txt): $0.002/call via x402. Merges two or more JSON row lists and removes duplicate records by a chosen key (phone, email, website), keeping the most complete row and filling blanks from duplicates.
- [Nero Labs UK Company Risk Report](https://www.zero.xyz/c/nero-labs-uk-company-risk-report-940e6d58/llms.txt): $0.5/call via x402. Builds a scored risk report on up to 5 UK companies using Companies House data, Gazette insolvency notices, director history, and disqualification checks, returning red/amber/green verdicts with evidence.
- [Nero Labs Dataset Diff Detector](https://www.zero.xyz/c/nero-labs-dataset-diff-detector-c770824a/llms.txt): $0.002/call via x402. Compares two snapshots of JSON row arrays by key fields and returns which rows were added, removed, or changed, with field-level diff details.
- [Nero Labs Email Check](https://www.zero.xyz/c/nero-labs-email-check-ea10af3c/llms.txt): $0.001/call via x402. Validates a single email address by checking syntax, live MX records, disposable domain lists, role-based prefixes, and typo detection — returning valid, risky, or invalid with reasons.
- [Nero Labs Website Contact Finder](https://www.zero.xyz/c/nero-labs-website-contact-finder-135b9e60/llms.txt): $0.01/call via x402. Scrapes up to 10 business websites (home and contact pages) and returns published contact emails, phone numbers, and social media profiles for each domain.
- [Nero Labs Bulk Audio/Video Transcription](https://www.zero.xyz/c/nero-labs-bulk-audio-video-transcription-b23ae099/llms.txt): $0.01/call via x402. Transcribes up to 5 audio or video file URLs to text, with optional speaker diarization, timestamps, and SRT subtitles
- [Nero Labs JSON Row Join](https://www.zero.xyz/c/nero-labs-json-row-join-c8193589/llms.txt): $0.002/call via x402. Joins two lists of JSON rows on one or more key fields using inner, left, right, full, or anti join logic, like a VLOOKUP or SQL JOIN, with normalized or exact key matching.
- [Nero Labs Review Analyzer](https://www.zero.xyz/c/nero-labs-review-analyzer-13a40e6b/llms.txt): $0.03/call via x402. Analyzes up to 50 customer reviews with AI to extract sentiment, complaint/praise themes, urgency, and optionally drafts owner replies and a business summary report
- [Nero Labs Job Post Enricher](https://www.zero.xyz/c/nero-labs-job-post-enricher-3271e066/llms.txt): $0.003/call via x402. Parses up to 50 raw job post texts with AI and returns structured fields including normalized salary, seniority, work mode, visa sponsorship, employment type, experience, and skills.

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)