OpenSRS logo

OpenSRS

Tucows' wholesale platform, deep API, real OT&E, signed contract required

opensrs.comdomains.opensrs.guide/docs
Overall in domain apis
5of 15 · score 74
Data coverage
92%
24 of 26 fields sourced

Best for

  • •Hosting platforms reselling domains at volume
  • •Products needing .com.au alongside broad international coverage
  • •Teams that must test transfers and renewals before launch

Strong on

  • +Reseller contract Yes 1/15
  • +Contact model reusable-handles 1/15
  • +Suggestion API Yes 1/14
  • +.au support Yes 1/12
  • +Webhooks / events Partial 2/15
  • +TLDs offered 800 TLDs 3/14

Weak on

  • −API since 1999 14/15
    Better: Porkbun: 2019
  • −API auth api-key-ip-allowlist 11/15
    Better: Gandi: bearer-token
  • −Privacy via API paid-addon 9/15
    Better: Porkbun: free-and-default
  • −Spend to first call $500 up front 13/14
    Better: Porkbun: $0 up front

vs Hexonet

  • •Ahead on Suggestion API: Yes vs Partial
  • •Behind on Machine-readable spec: No vs Partial
  • •Behind on Bulk availability: Partial vs Yes

How OpenSRS scores among 15 domain apis24 of 26 fields known

Access & onboarding6

Spend to first call
$500 up front
13/14
Leader: Porkbun · $0 up front
Sandbox / OTE1st
Yes
1/14
domains.opensrs.guide · 2026-07-23
Reseller contract1st
Yes
1/15
domains.opensrs.guide · 2026-07-23
Min prepaid balance
—
ICANN accredited1st
Yes
1/15
API auth
api-key-ip-allowlist
11/15
Leader: Gandi · bearer-token
domains.opensrs.guide · 2026-07-23

API surface13

TLDs offered3rd
800 TLDs
3/14
Leader: Hexonet · 1,000 TLDs
.au support1st
Yes
1/12
Register endpoint1st
Yes
1/15
Bulk availability
Partial
10/15
Leader: Porkbun · Yes
Suggestion API1st
Yes
1/14
Transfer in/out1st
Yes
1/15
DNS record API1st
Yes
1/15
EPP code via API1st
Yes
1/15
Auto-renew control1st
Yes
1/15
Webhooks / events2nd
Partial
2/15
Leader: Porkbun · Yes
Contact model1st
reusable-handles
1/15
domains.opensrs.guide · 2026-07-23
Privacy via API
paid-addon
9/15
Leader: Porkbun · free-and-default
Rate limit
—

Pricing3

Pricing basis
wholesale-tiered
4/15
Leader: Hexonet · wholesale
Renewal price in API1st
Yes
1/14
domains.opensrs.guide · 2026-07-23
.com renewal
$11.5/yr
5/15
Leader: Direct EPP (own accreditation) · $10.98/yr

Agentic2

MCP server3rd
No
3/15
Leader: Vercel Domains · Yes
Machine-readable spec
No
8/15
Leader: GoDaddy · Yes

Traction1

API since
1999
14/15
Leader: Porkbun · 2019

Positioning1

Positioning
The incumbent wholesale platform for hosts and platforms reselling domains at scale.

Alternatives8

Compare

Sources1