B
MPP Gate API
Preview responses and set spending limits for this service through use.mpp.land
Free budget controls, response samples, and reliability routing.
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/weather dynamic
Get weather report for a city
Returns an AI-generated weather report powered by Gemini. This endpoint is gated behind MPP — each request costs $0.001 USDC on Tempo. The facilitator at facilitator.mppgate.com sponsors gas fees.
- Amount
- 0.001000
- Currency
- -
- Method
- mpp
- Intent
- -
- 402 Declared
- Yes
Non-standard x-payment-info fields:
price: 0.001000 pricingMode: fixed protocols: [mpp]
Input Schema
| Field | Type | Required | Description |
|---|---|---|---|
| city | string | Yes | City name to get weather for |
Response Schema (200)
| Field | Type | Description |
|---|---|---|
| city | string | - |
| paidVia | string | - |
| poweredBy | string | - |
| weather | string | - |
Payment Methods
- Methods
- tempo (from challenge)
- Intents
- charge (from challenge)
- Currencies (discovery)
- -
- Currency (challenge)
- USDC.e on Tempo (Tempo)
- Multiple Challenges
- No
Recipients
- 0xb7aa225FE3DC9E5d125d71bb6905BccBe54BdB2F
Per-endpoint breakdown
- POST /api/weather
- 0xb7aa225FE3DC9E5d125d71bb6905BccBe54BdB2F
Security
- TLS Version
- TLSv1.3
- Challenge ID Unique
- Yes
- Challenge ID Length
- 43
- Digest Binding
- -
Uptime
- Discovery
- Reachable (282ms)
- Challenge
- Reachable (287ms)
- Last Checked
Schema Completeness
- Paid Operations
- 1
- With Input Schema
- 1
- With Description
- 1
Documentation
- Homepage
- -
- API Reference
- -
- llms.txt
- -
Discovery
- OpenAPI URL
- https://weather.mppgate.com/openapi.json
- OpenAPI Version
- 3.1.0
- Service Version
- 1.0.0
- Document Size
- 2763 bytes
- Document Hash
- 329d2d183fda3d660c9ac9f3f4eb00ea0474936b21a4b758462f215b8bff6f7c
Version History (2 snapshots)
Scan snapshots
| Date | Grade | Score | Response | Status |
|---|---|---|---|---|
| 2026-04-06 | B | 76% | 511ms | Up |
| 2026-04-07 | B | 76% | 956ms | Up |