# ProWebLook API - [Introduction](https://docs.proweblook.com/introduction.md): Welcome to the ProWebLook API — your complete suite for phone validation, WhatsApp verification, Caller ID lookup, Blacklist checking, and web scraping. - [Authentication](https://docs.proweblook.com/authentication.md): All ProWebLook API endpoints are protected by API key authentication. - [MCP Server](https://docs.proweblook.com/mcp-server.md): Connect Claude, ChatGPT, Cursor, and any MCP-compatible client directly to ProWebLook APIs as callable tools. - [Error Codes](https://docs.proweblook.com/errors.md): Standard error codes and HTTP status responses returned by the ProWebLook API. - [Phone Validation](https://docs.proweblook.com/api-reference/phone-validation.md): Validate and enrich a phone number with carrier, line type, location, timezone, and more. - [WhatsApp Validation](https://docs.proweblook.com/api-reference/wa-validation.md): Validate a phone number and check if it has an active WhatsApp account, including business account detection. - [WA Validation (Legacy)](https://docs.proweblook.com/api-reference/wa-validation-legacy.md): Legacy endpoint to check if a phone number exists on WhatsApp. - [WA Batch Validation — Submit](https://docs.proweblook.com/api-reference/wa-batch-submit.md): Submit up to 1,000 phone numbers at once for asynchronous WhatsApp validation. - [WA Batch Validation — Poll Results](https://docs.proweblook.com/api-reference/wa-batch-poll.md): Poll the status and results of a previously submitted WhatsApp batch validation job. - [Caller ID Lookup](https://docs.proweblook.com/api-reference/caller-id-validation.md): Perform a reverse phone lookup to retrieve the registered name associated with a phone number. - [Blacklist Checker](https://docs.proweblook.com/api-reference/blacklist-checker.md): Check an IP address, domain, or URL against global blacklists and spam databases. - [Email Verification](https://docs.proweblook.com/api-reference/email-verification.md): Verify email syntax and mailbox deliverability in real time without sending an email. - [Scraping & Screenshot](https://docs.proweblook.com/api-reference/scraping.md): Scrape any URL — get clean Markdown, HTML, links, SEO metadata, and full-page screenshots in a single call. - [Spam Checker](https://docs.proweblook.com/api-reference/spam-checker.md): Analyze email subject and body for spam trigger words, calculate a spam score, and get detailed per-trigger risk breakdown. - [Check GEO IP](https://docs.proweblook.com/api-reference/check-geo-ip.md): Retrieve geolocation, ISP, and organization details for any IP address. - [Balance](https://docs.proweblook.com/api-reference/balance.md): Check your remaining API credits for a specific service. ## Optional - [API Status](https://proweblook.com) This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.