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Top Email & Phone APIs on API.market
Browse our collection of high-quality Email & Phone APIs
Automates email discovery and verification, enabling accurate lead generation and streamlined outreach for developers.
Email verification API: per-address verdict, 0–100 score, typo suggestions, disposable detection and catch-all risk. Single checks and batches of up to 100.
MX, SPF, DMARC, DKIM, MTA-STS and BIMI checks for up to 50 domains per call, with a grade and a fix for every issue.
Validate and format phone numbers for 245 countries: valid flag, line type (mobile, landline, VoIP), E.164 and national formats, country. Bulk 100 per call.
Validate emails in real time: syntax, live MX records, 10,000+ disposable domains, role accounts, free providers and typo suggestions. Score and verdict.
Validate phone numbers and get country, line type and E.164 and national formats.
Screen lists of emails, phone numbers and card numbers in one call, with per-item results and summaries.
Audit a domain's MX, SPF, DMARC and DKIM setup and screen its addresses in one call.
Check if a number is registered on WhatsApp and read the public profile fields that account exposes.
Validate emails: syntax, MX, disposable and role addresses, typos, and a real mailbox check over SMTP with catch-all detection.
The Verify Email Address API ensures that email addresses are valid, properly formatted, and not from disposable providers.
Check one email or 25 at once for syntax, mail servers, disposable domains, role addresses and typos. Returns a verdict with reasons.
Audit a domain's MX, SPF, DKIM and DMARC records from DNS, with MTA-STS and BIMI checks, a grade and a ranked issue list.
Validate phone numbers and get E.164, international and national formats, country and line type. Single or batch of 25.
Check an email address in one call: syntax, MX records, disposable domains, role addresses and typo suggestions.
Validate phone numbers from any country and get E.164, national format, line type, country, region and time zones.
Check email addresses for syntax, MX records, disposable and role accounts, free providers and typos, one at a time or 10 per call.
WhatsApp number checker API that tells you if a phone number is registered on WhatsApp, one at a time or in bulk, for CRM cleaning and lead validation.
Analyze MX, SPF, DMARC, DKIM, DNSSEC and email-domain security signals in one structured API.
Validate email syntax, MX records, and disposable domains via a single fast, cached API endpoint.
Verify email deliverability and lookup phone number details instantly using live DNS checks and Google libphonenumber for superior accuracy.
Validate any email address in real-time with a 3-step process (syntax, MX, SMTP) to ensure the mailbox actually exists and prevent bounces.
Validate emails in real time: syntax, MX, disposable detection, typo suggestions, and deliverability scoring. Batch up to 50 in one call.
Real-time email verification with detailed reason codes for superior deliverability and instant performance boost.
Accurately validate emails using MX checks, disposable detection, typo fixes, and confidence scoring with high performance.
Instantly unify real-time spam risk scoring across emails, phones, content, and domains with the Spam Shield API to protect your business.
Detect disposable emails, risky domains, free providers, and suspicious MX signals to reduce fake signups and signup abuse.
Integrate a fast, disposable email service to programmatically receive messages, extract OTPs, and manage temporary inboxes at scale.
SPF, DMARC, DKIM, DNSSEC, MX, BIMI & Spamhaus checks for any domain. A–F grade, issue list, READY/CAUTION/BLOCKED deliverability verdict.
Instantly validate email addresses by performing domain and MX record checks with high performance and reliability.
Instantly detect breaches, validate emails, and score deliverability for superior email health with our high-performance API.
Discover and verify professional email addresses for any company domain. Pattern detection, MX validation, and confidence scoring included.
Validate email structure, detect disposable addresses, verify MX records with superior speed via cached results.