B
Random Stable Fact — MPP Grade B
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Free budget controls, response samples, and reliability routing.
On-chain Activity
10
Total txs
10
7d txs
$0.05
7d volume
$0.05
Total volume
10
Unique payers
0
Unique clients
7-day activity
▁▁▁▁▁▁█
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
Paid Operations (1)
GET /api/fact dynamic
Get a random stablecoin fact
Returns one randomly selected fact about stablecoins. Costs 0.005 USDC.e per request via Tempo MPP.
- Amount
- map[amount:0.005000 currency:USD mode:fixed]
- Currency
- -
- Method
- Intent
- -
- 402 Declared
- Yes
Non-standard x-payment-info fields:
price: map[amount:0.005000 currency:USD mode:fixed] protocols: [map[mpp:map[currency:0x20c000000000000000000000b9537d11c60e8b50 intent:charge method:tempo]]]
Parameters
| Name | In | Type | Required | Description |
|---|---|---|---|---|
| seed | query | integer | No | Optional integer seed for reproducible fact selection. |
Response Schema (200)
| Field | Type | Description |
|---|---|---|
| fact | string | A random fact about stablecoins. |
Payment Methods
- Methods
- tempo (from challenge)
- Intents
- charge (from challenge)
- Currencies (discovery)
- -
- Currency (challenge)
- USDC.e on Tempo Mainnet Presto (Tempo Mainnet Presto)
- Multiple Challenges
- No
Recipients
- 0x1bc7b7f1371c8bd807981d15ada5015c77b77cce
Per-endpoint breakdown
- GET /api/fact
- 0x1bc7b7f1371c8bd807981d15ada5015c77b77cce
Security
- TLS Version
- TLSv1.3
- Challenge ID Unique
- Yes
- Challenge ID Length
- 43
- Digest Binding
- -
Uptime
- Discovery
- Reachable (947ms)
- Challenge
- Reachable (292ms)
- Last Checked
Schema Completeness
- Paid Operations
- 1
- With Input Schema
- 0
- With Description
- 1
1 missing schema
- GET /api/fact
Documentation
- Homepage
- -
- API Reference
- -
- llms.txt
- -
Discovery
- OpenAPI URL
- https://randomfactmpp.com/openapi.json
- OpenAPI Version
- 3.1.0
- Service Version
- 1.0.0
- Document Size
- 1393 bytes
- Document Hash
- 5fb08bed27b1f41debdb4e885ef1517aa065de547b01995d82e8191e66e95e85
Version History (1 snapshots)
Scan snapshots
| Date | Grade | Score | Response | Status |
|---|---|---|---|---|
| 2026-05-31 | B | 78% | 510ms | Up |