C

Headless Domains API — MPP Grade C

https://headlessdomains.com 74% (78/105)
Preview responses and set spending limits for this service through use.mpp.land Free budget controls, response samples, and reliability routing.

On-chain Activity

5 Total txs
5 7d txs
$2.60 7d volume
$2.60 Total volume
1 Unique payers
0 Unique clients
7-day activity ▁▁▁▁▁▁█
Last tx 0xf68e5fdb9fe70952043f4888bf050e899cded886ed6e532bf96f0d276453774d

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
2 issues
  • 402 response missing Cache-Control: no-store
  • POST endpoint challenge missing digest parameter (SHOULD per spec)

Paid Operations (2)

POST /api/v1/domains/register dynamic pathUSD
Register a Domain

Allows an AI agent to autonomously register a domain using Machine Payments Protocol (MPP).

Amount
0.52
Currency
pathUSD
Method
x402, mpp
Intent
-
402 Declared
Yes
Non-standard x-payment-info fields: price: 0.52 protocols: [x402 mpp]

Input Schema

FieldTypeRequiredDescription
domain string Yes
namespace string Yes
payment_method string Yes
enum: mpp
receipt string Yes
years integer Yes
POST /api/v1/renew dynamic pathUSD
Renew a Domain

Allows an agent to autonomously renew its own domain using MPP.

Amount
0.52
Currency
pathUSD
Method
x402, mpp
Intent
-
402 Declared
Yes
Non-standard x-payment-info fields: price: 0.52 protocols: [x402 mpp]

Input Schema

FieldTypeRequiredDescription
domain string Yes
payment_method string Yes
enum: mpp
receipt string Yes
years integer Yes

Payment Methods

Methods
tempo (from challenge)
Intents
charge (from challenge)
Currencies (discovery)
pathUSD
Currency (challenge)
pathUSD on Tempo Mainnet Presto (Tempo Mainnet Presto)
Multiple Challenges
No

Recipients

  • 0xDD0d38D56FDD47d5Cf7eF1BDA5f4998c10cC0F57
Per-endpoint breakdown
POST /api/v1/domains/register
0xDD0d38D56FDD47d5Cf7eF1BDA5f4998c10cC0F57
POST /api/v1/renew
0xDD0d38D56FDD47d5Cf7eF1BDA5f4998c10cC0F57

Security

TLS Version
TLSv1.3
Challenge ID Unique
Yes
Challenge ID Length
43
Digest Binding
-

Uptime

Discovery
Reachable (393ms)
Challenge
Reachable (629ms)
Last Checked

Schema Completeness

Paid Operations
2
With Input Schema
2
With Description
2

Documentation

Homepage
https://docs.headlessdomains.com
API Reference
-
llms.txt
-

Discovery

OpenAPI URL
https://headlessdomains.com/openapi.json
OpenAPI Version
3.1.0
Service Version
1.0.0
Document Size
3622 bytes
Document Hash
1d42f1a1b44ca2e65b7eb19e92abb601d57d776f9afe4381e2e3484dc4b1b558

Version History (1 snapshots)

Scan snapshots
Date Grade Score Response Status
2026-04-29 C 74% 382ms Up