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

Endpoint POST /purchase returned 400 (expected 402)

Paid Operations (2)

POST /purchase dynamic

POST /purchase

Amount: 1.000000
Currency: -
Method: mpp
Intent: -
402 Declared: Yes

Non-standard x-payment-info fields: price: 1.000000 pricingMode: fixed protocols: [mpp]

POST /status dynamic

POST /status

Amount: 0.000000
Currency: -
Method: mpp
Intent: -
402 Declared: Yes

Non-standard x-payment-info fields: price: 0.000000 pricingMode: fixed protocols: [mpp]

Payment Methods

Methods: -
Intents: -
Currencies (discovery): -
Multiple Challenges: No

Security

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

Uptime

Discovery: Reachable (536ms)
Challenge: Reachable (2112ms)
Last Checked: 2026-05-01T05:34:40Z

Schema Completeness

Paid Operations: 2
With Input Schema: 0
With Description: 0

2 missing schema

POST /purchase
POST /status

Documentation

Homepage: -
API Reference: -
llms.txt: -

Discovery

OpenAPI URL: https://megapot.mpp.paysponge.com/openapi.json
OpenAPI Version: 3.0.3
Service Version: 1.0.0
Document Size: 1198 bytes
Document Hash: 71d298fd84f411da46ee5c21ba2e229d5859844dddb358fb2ff881579345e994

Version History (1 snapshots)

Scan snapshots

Date	Grade	Score	Response	Status
2026-05-01	D	52%	533ms	Up

Megapot API — MPP Grade D