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Abstract API

Developer API suite for real-time email verification, IP geolocation, and phone validation

pricingfree tierapi

checked 25 Aug 2026

Lead EnrichmentMarketing AnalyticsDeliverability

What Abstract API is

Abstract API provides a modular suite of developer APIs for automated marketing operations, including real-time email validation, IP geolocation, phone number verification, company enrichment, and exchange rate data. Engineering and growth teams use Abstract to validate user data on signup forms and enrich customer records across web applications.

Pricing

Plan Price Annual What you get
Free Free — Up to 100 API requests per month across all developer endpoints
Starter $19/mo $15/mo Up to 10,000 API requests per month, commercial SLA, email validation and IP geolocation
Pro $49/mo $39/mo Up to 50,000 requests per month, higher rate limits, priority email support
Scale $149/mo $119/mo Up to 250,000 requests per month, custom endpoints, dedicated technical CSM

Annual billing provides a 20% discount on all API tiers.

Free access: Permanent free tier with 100 API calls per month

read from the vendor pricing page · 25 Aug 2026 · how we verify

Best for

  • Software developers and growth engineers validating user emails and phone numbers on signup forms
  • Product teams localizing user experiences based on IP geolocation data

Not for

  • Content copywriters looking for an AI long-form blog post writer

Integrations

zapiermakesegment

Abstract API alternatives

All 3 alternatives to Abstract API, compared Get the Toolvern badge for Abstract API

IPQualityScore logo IPQualityScore Fraud prevention, proxy detection, and real-time email reputation verification API DeBounce logo DeBounce Fast, affordable email validation and list cleaning service with zero false positives Clearout logo Clearout AI email verification, B2B lead finder, and phone validation platform for revenue teams

Head to head: Abstract API vs IPQualityScore Abstract API vs DeBounce Abstract API vs Clearout

Compiled by Stepan Noianov from the vendor's own site and pricing page. Something wrong? Report an inaccuracy.