A

StableMerch Coozies API — MPP Grade A

https://stablemerch-coozies.vercel.app 95% (100/105)
merchprint-on-demandecommerce
Preview responses and set spending limits for this service through use.mpp.land Free budget controls, response samples, and reliability routing.

On-chain Activity

26 Total txs
26 7d txs
$16.25 7d volume
$16.25 Total volume
2 Unique payers
0 Unique clients
7-day activity ▁▁▁▁▁▁█
Last tx 0xea9050a3489895f857bb5447f567dc24b42df83adb7c1dad78dfc8fd10a2ac39

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 /api/coozie 16 USDC.e
Custom coozie from your image. $16 per coozie. Same image on front and back.
Amount
16 (raw 16000000)
Currency
USDC.e
Method
tempo
Intent
charge
402 Declared
Yes
Non-standard x-payment-info fields: recipient: 0x53d8436F1c692fdbA97dAF29e2a27517206Ca33a

Input Schema

FieldTypeRequiredDescription
address_to object Yes
imageUrl string Yes HTTP/HTTPS URL or base64 data URL (data:image/...). Best results with square (1:1) or near-square (4:5) images. Print area is 1275x1350px per side. Same image printed on front and back.

Payment Methods

Methods
tempo
Intents
charge
Currencies (discovery)
USDC.e
Currency (challenge)
USDC.e on Tempo (Tempo)
Multiple Challenges
No

Recipients

  • 0x53d8436F1c692fdbA97dAF29e2a27517206Ca33a
Per-endpoint breakdown
POST /api/coozie
0x53d8436F1c692fdbA97dAF29e2a27517206Ca33a

Security

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

Uptime

Discovery
Reachable (177ms)
Challenge
Reachable (189ms)
Last Checked

Schema Completeness

Paid Operations
1
With Input Schema
1
With Description
1

Documentation

Homepage
https://stablemerch.dev
API Reference
-
llms.txt
/llms.txt

Discovery

OpenAPI URL
https://stablemerch-coozies.vercel.app/openapi.json
OpenAPI Version
3.1.0
Service Version
1.0.0
Document Size
1605 bytes
Document Hash
a534eae78ad6a0fcbc01b36c083d9548b4c73aec2049fa4343b18cf2c6850a03

Version History (1 snapshots)

  • price changed on POST /api/coozie: 10000 → 16000000
  • document hash changed (no semantic differences detected)
  • document hash changed (no semantic differences detected)
Scan snapshots
Date Grade Score Response Status
2026-04-23 A 95% 589ms Up