B
Doma Domain Registration API
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Compliance Checks
All paid ops declare 402 response
MUST
10pt
All x-payment-info valid
MUST
10pt
Challenge has Cache-Control: no-store
MUST
5pt
Challenge digest on POST
SHOULD
3pt
Challenge has expires
SHOULD
3pt
Challenge has Problem Details
SHOULD
2pt
Challenge has required params
MUST
5pt
Challenge has WWW-Authenticate
MUST
5pt
Challenge returns 402
MUST
10pt
Correct Content-Type
MUST
5pt
Has Cache-Control on discovery
SHOULD
5pt
Has input schemas
SHOULD
5pt
Has llms.txt
SHOULD
5pt
Has /openapi.json at root
MUST
10pt
Has required top-level fields
MUST
10pt
Served over HTTPS
MUST
10pt
Uses standard categories
SHOULD
2pt
1 issue
- POST endpoint challenge missing digest parameter (SHOULD per spec)
Paid Operations (1)
POST /register dynamic
Register a domain name via MPP payment
- Amount
- dynamic
- Currency
- -
- Method
- mpp
- Intent
- -
- 402 Declared
- Yes
Non-standard x-payment-info fields:
pricingMode: quote protocols: [mpp]
Input Schema
| Field | Type | Required | Description |
|---|---|---|---|
| buyerAddress | string | Yes | EVM wallet address of the domain buyer (0x-prefixed, 40 hex characters). |
| contact | object | Yes | Registrant contact information. |
| domain | string | Yes | Full domain name to register, including TLD (e.g. 'example.com'). Supported TLDs: com, xyz, ai, io, net, cash, live, fyi. |
Response Schema (200)
| Field | Type | Description |
|---|---|---|
| domain | string | The registered domain name |
| network | string | The network the registration was processed on |
| paymentContract | string | Address of the Interstellar payment contract |
| success | boolean | Always true on success |
| txHash | string | On-chain transaction hash of the payment |
| voucherAmount | string | Amount paid in wei |
Payment Methods
- Methods
- tempo (from challenge)
- Intents
- charge (from challenge)
- Currencies (discovery)
- -
- Currency (challenge)
- USDC.e on Tempo (Tempo)
- Multiple Challenges
- No
Recipients
- 0x17ae28d21f80a1082eE3C54AcB03769B09d42DA8
Per-endpoint breakdown
- POST /register
- 0x17ae28d21f80a1082eE3C54AcB03769B09d42DA8
Security
- TLS Version
- TLSv1.3
- Challenge ID Unique
- Yes
- Challenge ID Length
- 43
- Digest Binding
- -
Uptime
- Discovery
- Reachable (205ms)
- Challenge
- Reachable (286ms)
- Last Checked
Schema Completeness
- Paid Operations
- 1
- With Input Schema
- 1
- With Description
- 1
Documentation
- Homepage
- -
- API Reference
- -
- llms.txt
- -
Discovery
- OpenAPI URL
- https://mpp.doma.xyz/openapi.json
- OpenAPI Version
- 3.1.0
- Service Version
- 1.0.0
- Document Size
- 3903 bytes
- Document Hash
- 740499519128d07a9313145a1f9b95819ca3b44c63cea6990a33ef59a59fba0a
Version History (2 snapshots)
Grade: C (64%) → B (80%)
Scan snapshots
| Date | Grade | Score | Response | Status |
|---|---|---|---|---|
| 2026-04-06 | C | 64% | 318ms | Up |
| 2026-04-07 | B | 80% | 598ms | Up |