Superlative

Easily test, integrate, and automate APIs—configure method, headers, query params, body, timeout, and retries, no code or setup required. Ideal for rapid prototyping, endpoint monitoring, workflows, and sales & marketing automation.

Bulk DNS records lookup. Query MX, SPF, DMARC, DKIM, TXT, CNAME, A, AAAA, NS, SOA and reverse DNS for any domain or IP. Batch thousands or query one instantly using the Standby API. For domain registration data, see WHOIS Lookup.

Validate and clean email addresses from lead lists. Fix domain typos (gmial.com → gmail.com), detect disposable addresses, flag free providers (Gmail, Yahoo), verify MX records. No external API needed. Bulk or instant Standby API. For CRM cleanup, cold email, and bounce prevention.

Email authentication and deliverability audit for any domain. Checks SPF, DKIM, DMARC, MX, blacklists, SSL, WHOIS, BIMI, MTA-STS — returns a 0-100 health score with actionable fixes. Sending or receiving mode. Batch thousands or query one via instant API.

Use the OpenRouter platform to choose the best and most cost effective model for your prompts utilizing a standardized interface (including ChatGPT, Claude, Gemini, Llama, Mistral, and more). See instructions for creating an OpenRouter account and API key.

WHOIS domain registration data for any domain. Registrar, expiry dates, domain age, registrant, nameservers, DNSSEC. Domain ownership enrichment for lead scoring, expiry monitoring, fraud detection, and due diligence. Batch thousands or query one instantly via Standby API.

Transform messy company names into clean formats for outreach. Removes legal suffixes (Inc, LLC, Ltd), fixes ALL CAPS, preserves brand identity. Perfect for cold email personalization, CRM cleanup, and lead enrichment. Supports casual, formal, and legal output styles. LLM-powered normalizer.

Clean messy URLs from lead exports. Remove 60+ tracking parameters (utm_*, fbclid, gclid), normalize format, extract domains, and optionally verify URLs are reachable. Perfect for cold email personalization and CRM data hygiene.

Clean messy job titles instantly. AI fixes abbreviations (Sr. → Senior), removes junk (Ninja, Rockstar), strips department tags, and standardizes formats. 3 output styles for CRM, spreadsheets, or analytics. Better data means better lead scoring and personalization.

Score sales leads against your Ideal Customer Profile (ICP) using AI. Submit any lead data — title, company, industry, size — and get a 0-100 fit score with band labels and plain-English explanations. Batch thousands or score one via instant API. For B2B prospecting and lead prioritization.

Clean messy product names from e-commerce exports and web scraping. AI removes promo text, prices, SKUs, and formatting noise. Three styles: Clean (core name only), Full (with attributes), Searchable (lowercase for dedup). Works with Shopify, Amazon, and any catalog data.

Deduplicate lead records using fuzzy matching. Exact email/phone matching, Jaro-Winkler for names, token-set ratio for companies. Smart field auto-detection. Input: array of record objects. Output: clustered records with isCanonical, matchScore, matchReasons. Batch or instant pair API.

Format, parse, and clean phone numbers in bulk. Normalize to E.164, International, or National format. Validates numbers, detects type (mobile/landline/toll-free), handles vanity numbers like 1-800-FLOWERS, and extracts extensions. For CRM exports and lead data cleanup.

Clean messy person names for cold email and CRM. Extracts first names for personalization, fixes ALL CAPS, handles McDonald/O'Brien/van der Berg correctly, strips titles (Dr.) and credentials (PhD). Three styles: first name only, casual, or formal.

Clean messy location data from lead exports. Normalizes city, state, and country fields. Fixes abbreviations (NYC → New York, Calif → CA), standardizes formats, and parses combined fields. Works with US states, Canadian provinces, and international locations.