50,000+ active companies25-50ms global response time

Production checks for DNS, WHOIS, IP, SSL, ports, and headers

Ops.Tools gives platform, security, and infrastructure teams one API surface for external asset evidence, release gates, monitoring workflows, and vendor review.

DNS, WHOIS, IP, SSL, HTTP header, and port checks99.99% uptime SLA for production workloadsJSON API responses and generated TypeScript SDKAccount usage controls and billing visibility
10M+
Daily API calls
240+
Countries supported
4.9/5
Customer rating
6+
API families
Ops evidence stream
Live API workflow sample
healthy
GET /v1-dns-lookup?domain=example.com&type=MX31ms
GET /v1-ssl-checker?domain=checkout.example.com44ms
GET /v1-http-headers?url=https://example.com27ms
POST /v1-port-scanner target=203.0.113.1049ms
99.99%
SLA
JSON
Responses
SDK
TypeScript
Live demos

Inspect real responses before wiring the API into a workflow

Use the browser tools for DNS records, WHOIS data, IP location, SSL certificates, HTTP headers, ports, reverse IP, and email authentication checks. Each demo mirrors the production response shape.

Next step

Ready to integrate?

Create an API key, choose the plan that fits the workflow, and move from demo response to production call.

Professional plans starting at $6.99/month • Flexible billing
Production posture

Built for teams that need repeatable evidence, not one-off screenshots

The platform is tuned for high-volume API usage, operational audit trails, and workflows where every request needs predictable JSON.

50,000+
Active companies
10M+
Daily API calls
99.99%
Uptime SLA
25-50ms
Global response time
50,000+ Happy Customers

Trusted by Infrastructure Teams Worldwide

From startups to Fortune 500 companies, DevOps and security teams trust our server and domain management APIs

50K+
Active Companies
10M+
Daily API Calls
99.99%
Uptime SLA
4.9/5
Customer Rating
85% faster diagnostics

"Ops.Tools transformed our infrastructure management. DNS propagation checks that took hours now complete in seconds. The global DNS monitoring helped us identify regional issues before customers noticed. Essential for any DevOps team."

Sarah Chen

DevOps Lead at GrowthScale

SaaS Platform

5K+ domains managed

"The WHOIS API is incredible - 99.9% accurate data. We manage 5,000+ domains for our hosting platform. The domain expiration tracking prevented dozens of service interruptions. Automated renewal workflows save us 20+ hours weekly."

Michael Rodriguez

CTO at HostFlow

Web Hosting

$200K prevented losses

"Reverse IP lookup is a game-changer for security. We identified 200+ compromised domains sharing IPs with our servers. Proactive security enrichment saved us from potential breaches. The API speed (45ms) integrates seamlessly with our SIEM."

Jessica Williams

Security Engineer at SecureNet

Cybersecurity

99.8% deliverability

"DNS record validation across 15 global locations is brilliant. We caught DNS misconfigurations in 3 continents before launch. The email authentication checks (DKIM/SPF/DMARC) improved our deliverability from 87% to 99.8%."

David Park

Infrastructure Manager at MailFlow

Email Service Provider

10K+ portfolio automated

"Integration took 10 minutes with excellent documentation. The bulk WHOIS queries processed our 10K domain portfolio in under 30 minutes. Domain portfolio management that used to take days now happens automatically."

Amanda Foster

Domain Portfolio Manager at DomainPro

Domain Management

93% fewer incidents

"The DNS API handles our global infrastructure across 50+ data centers flawlessly. Real-time DNS monitoring identifies propagation issues instantly. We reduced DNS-related incidents by 93% in the first quarter."

Thomas Schmidt

Principal Engineer at CloudScale

Cloud Infrastructure

200+ domains secured

"Email authentication monitoring increased our security posture significantly. We detected DKIM misconfigurations across 200 domains before they impacted deliverability. The DMARC policy analysis prevents email spoofing attempts."

Lisa Chang

Security Architect at EnterpriseCorp

Fortune 500

40% faster DNS resolution

"The global DNS network is incredible for our CDN operations. Querying DNS from 15+ locations helps us optimize content delivery geographically. DNS resolution times improved by 40% globally."

Robert Taylor

Network Engineer at FastCDN

Content Delivery

1M+ monthly queries

"Flexible pricing let us start small and scale globally. Now we process 1M+ DNS queries monthly across our infrastructure. The webhook integration keeps our monitoring systems always updated with real-time data."

Nina Patel

Platform Engineer at ScaleOps

Cloud Platform

50% better market insights

"Domain intelligence features are outstanding. We track competitor domain movements, identify expired opportunities, and monitor our brand across registrations. Business development value alone justifies the subscription."

Carlos Mendez

Strategy Lead at MarketIntel

Business Intelligence

Zero deployment failures

"Server diagnostics are now part of our deployment pipeline. We validate DNS configurations before every release, preventing production issues. The API reliability is exceptional - 99.99% uptime over 24 months."

Rachel Green

Release Manager at DevFlow

DevOps Platform

500+ client audits completed

"The pay-as-you-go credits are perfect for our consultancy. We use credits for client audits and domain investigations without monthly commitments. The comprehensive data helps us provide better security assessments."

James Wilson

Principal Consultant at SecureAudit

Security Consulting

Frequently Asked Questions

Common Questions

Everything you need to know about our server and domain management APIs

Can I switch plans at any time?

Absolutely! You can upgrade, downgrade, or switch plans whenever you need. Pick the plan that fits your current infrastructure needs - you can always adjust as your operations grow.

What are my payment options?

Online payment methods include major credit cards through Stripe and PayPal. Enterprise customers can pay by invoice with NET30 terms. Annual prepayment gets you 20% off any plan.

Are there contracts or commitments?

No contracts or commitments! Start with our Starter plan and upgrade when you need more API calls. Plans are billed monthly/yearly and you can cancel at any time.

How will you track my API usage?

After signing up we'll provide you with an API key, which you'll need to pass along with all your API requests. We track your usage volumes against this key. We'll notify you as you approach your monthly limit.

How can I monitor my API usage?

Your dashboard displays real-time usage tracking with instant updates. Monitor your credit balance, API volumes, and detailed analytics all in real-time. Set up instant email alerts at custom thresholds.

Is the API reliable for production use?

Yes. Our API handles 10+ million requests daily with 99.99% uptime. Hosted on AWS infrastructure across multiple regions with automatic failover and CDN distribution.

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