Production-grade APIs that power outbound at scale. Starting with email validation—built for teams who can't afford unreliable infrastructure or wasted engineering time.
Trusted by high-volume outbound teams
APIs designed for outbound agencies running client campaigns and GTM engineers automating pipeline workflows.
50k–500k+ emails/month
You run campaigns for 10+ clients. Your reputation depends on deliverability and reply rates.
5k–50k emails/month
You own GTM automation at a B2B company and need infrastructure that integrates seamlessly.
Production-grade reliability with developer-friendly design.
| Feature | GTMAPIs | Generic Tools | Build-It-Yourself |
|---|---|---|---|
| API-First Design | |||
| Production Reliability | |||
| Full Control | |||
| Enterprise Accuracy | |||
| Documentation | |||
| Fast Setup | |||
| Transparent Pricing | |||
| Maintenance Required |
A growing suite of GTM infrastructure APIs. Start with email validation today—more products launching soon.
Production-grade email verification with SMTP, DNS, and catch-all detection. Built for outbound at scale.
Enrich leads with social profiles, job history, and engagement data from LinkedIn, Twitter, and more.
Monitor competitor ad creatives, spend estimates, and campaign strategies across major platforms.
Firmographic data, technographics, funding history, and org charts for target accounts.
Predictable pricing that scales with your usage. No hidden fees, no per-seat charges, no surprises.
25,000 credits/month
$0.004/email
75,000 credits/month
$0.003/email
200,000 credits/month
$0.002/email
SaaS is going API-first. The next generation of GTM tools won't be dashboards you click through—they'll be programmable infrastructure that agents and workflows call directly. We're building for that future.
GTM engineers and outbound agencies face a bad choice: generic email tools built for marketers who send newsletters, or months of engineering time building infrastructure that isn't core to your product.
Generic tools treat every email the same. They charge you for catch-all domains that tank deliverability and role-based addresses that never convert. They weren't designed for outbound at scale—they were designed for marketing teams who don't know the difference.
Building from scratch means maintaining SMTP connections, DNS resolution, catch-all detection, and deliverability scoring—infrastructure that pulls your best engineers away from what actually moves pipeline.
GTMAPIs is the third option: production-grade APIs purpose-built for GTM workflows. Enterprise accuracy, transparent per-email pricing, and the reliability to run in automated pipelines without babysitting. We handle the infrastructure so you can focus on revenue.
We're building the API primitives that every GTM team needs but nobody wants to maintain. Email validation is just the start.