OpenSRS API Alternatives

Why Switch from OpenSRS?

OpenSRS is a solid domain API provider, but it's not the only option. Whether you're looking for better pricing, more features, or simply want to explore what else is available - you've come to 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 richer domain intelligence beyond registrar commands
You want a simpler API for startups or internal tools
You need valuation, monitoring, or WHOIS/RDAP analytics
You are not operating 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
TLD Coverage	1,100+ TLDs	Large reseller-oriented TLD catalog

Sources

Last updated: 2026-07-29

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

Where OpenSRS Excels

Built for resellers and hosting platforms managing many domains
Deep registrar workflow coverage across the domain lifecycle
Good fit for portfolio-scale provisioning and operations

DomScan Advantages

Free tier with 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, making migration straightforward. Most integrations can be updated in minutes by changing the endpoint URL and adjusting the response parsing.

Is DomScan cheaper than OpenSRS?

DomScan offers a generous free tier of 10,000 credits/month with no credit card required. For most use cases, DomScan provides better value with transparent pay-as-you-go pricing.

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.