2026 guide

OpenSRS alternatives

Whether you are frustrated with pricing, missing features, or just exploring options, we will help you find the right fit.

Why switch from OpenSRS?

OpenSRS is one of several domain API providers. Whether you're looking for different pricing, other features, or just want to see what else is available, you're in the right place.

We compare the key differences between OpenSRS and its alternatives. DomScan is one option for teams that value a recurring free tier, a broad toolkit, and remote MCP access.

Common reasons to switch

  • You need domain intelligence beyond registrar commands
  • You want a simpler API for startups or internal tools
  • You need valuation, monitoring, or WHOIS/RDAP analytics
  • You do not operate a reseller or hosting business

Who should stay with OpenSRS

Stay with OpenSRS if you run a reseller or hosting business that needs portfolio-scale registrar automation.

Side-by-side comparison: DomScan vs OpenSRS

DomScan

Modern domain intelligence API

DomScan is a developer-first domain intelligence platform offering real-time availability checks, RDAP data, domain valuation, and AI integration via MCP.

Free: 10,000 credits/month

OpenSRS

Reseller-focused domain API for large portfolios

OpenSRS targets resellers and hosting providers with APIs for registration, transfers, DNS, and portfolio-scale domain operations.

No free tier; $95 activation becomes account credit

Pricing comparison

Pricing DomScan OpenSRS
Free tier Free: 10,000 credits/month No free tier; $95 activation becomes account credit
Paid plans Pay-as-you-go from $10 Essential reseller tier with variable domain pricing
Enterprise Custom pricing Enterprise tier requires $100,000 annual spend and volume
How usage is billed Credits are charged per operation or item, and every endpoint publishes its credit cost. Credits, pages, requests, records, compute units, subscriptions, and browser-time blocks are not interchangeable.

Sources

Last updated:

Feature comparison

Feature DomScan OpenSRS
Free tier Included Not included
API access Included Included
Bulk operations Included Included
Real-time data Included Included
WHOIS data Included Included
DNS lookup Included Included
Domain valuation Included Not included
Brand monitoring Included Not included
MCP/AI integration Included Not included

What OpenSRS offers

  • Built for resellers and hosting platforms managing many domains
  • Registrar workflows across the domain lifecycle
  • Portfolio-scale provisioning and operations

DomScan advantages

  • Free tier of 10,000 credits/month, no credit card required
  • 1,100+ TLDs backed by live RDAP coverage
  • MCP integration for AI assistants like Claude
  • Domain valuation, brand monitoring, and OSINT tools
  • Modern REST API with JSON responses

Switching from OpenSRS

Migrating from OpenSRS to DomScan is straightforward. DomScan uses standard REST endpoints with JSON responses and predictable authentication.

Quick example:
# Check domain availability with DomScan
curl "https://domscan.net/v1/status?name=example&tlds=com,net,org" \
  -H "X-API-Key: your-api-key"

# Response
{
  "name": "example",
  "results": [
    { "domain": "example.com", "available": false, "source": "rdap" },
    { "domain": "example.net", "available": false, "source": "rdap" },
    { "domain": "example.org", "available": false, "source": "rdap" }
  ]
}

Frequently asked questions

How easy is it to switch from OpenSRS to DomScan?

DomScan uses standard REST APIs with JSON responses. Migrating usually means changing the endpoint URL, the authentication header, and the response parsing.

Is DomScan cheaper than OpenSRS?

DomScan has a free tier of 10,000 credits/month with no credit card required, and paid usage is pay-as-you-go. Compare the published rates and billing units for the workloads you run.

Does DomScan have all the features of OpenSRS?

DomScan covers availability, WHOIS/RDAP, DNS, valuation, monitoring, and security workflows. Feature depth differs by provider, so compare the endpoints and limits your integration needs.

What support options does DomScan offer?

DomScan provides public documentation and email support. Contact us before purchase if you need contractual support or service commitments.

OpenSRS vs other providers

More alternatives guides

Learn more about OpenSRS

Get started with DomScan

10,000 free credits/month • No credit card required

Try DomScan free

Used by people at these companies

InstantOutseerMongoDBRespondentSage Expense ManagementInstantlyD.R. HortonWhatConvertsAdobeLLM Pulse