A
BTC Current Signal
cryptosignalsfinance
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/agent-signal 0.05 USDC.e
Fetch the latest BTC directional signal after MPP payment.
Pay once to fetch the latest machine-consumable BTC directional signal.
- Amount
- 0.05 (raw 50000)
- Currency
- USDC.e
- Method
- tempo
- Intent
- charge
- 402 Declared
- Yes
Non-standard x-payment-info fields:
chainId: 4217 testnet: false
Input Schema
{
"additionalProperties": false,
"type": "object"
}
Response Schema (200)
| Field | Type | Description |
|---|---|---|
| brief_reason | string | - |
| direction | string | - |
| signal_timestamp | string (date-time) | - |
Payment Methods
- Methods
- tempo
- Intents
- charge
- Currencies (discovery)
- USDC.e
- Currency (challenge)
- USDC.e on Tempo (Tempo)
- Multiple Challenges
- No
Recipients
- 0xba16c7C6e3613Fa2a111F49804d4a974D9F789f2
Per-endpoint breakdown
- POST /api/agent-signal
- 0xba16c7C6e3613Fa2a111F49804d4a974D9F789f2
Security
- TLS Version
- TLSv1.3
- Challenge ID Unique
- Yes
- Challenge ID Length
- 43
- Digest Binding
- -
Uptime
- Discovery
- Reachable (338ms)
- Challenge
- Reachable (936ms)
- Last Checked
Schema Completeness
- Paid Operations
- 1
- With Input Schema
- 1
- With Description
- 1
Documentation
- Homepage
- https://cryptoengine.club
- API Reference
- https://cryptoengine.club/api
- llms.txt
- https://cryptoengine.club/llms.txt reachable
Discovery
- OpenAPI URL
- https://cryptoengine.club/openapi.json
- OpenAPI Version
- 3.1.0
- Service Version
- 1.0.0
- Document Size
- 1748 bytes
- Document Hash
- e81bafd5533c20ef940ac37dccc67d448c1f49880b04a728de176871d89dc7c1
Version History (2 snapshots)
Scan snapshots
| Date | Grade | Score | Response | Status |
|---|---|---|---|---|
| 2026-04-06 | A | 90% | 139ms | Up |
| 2026-04-07 | A | 90% | 2095ms | Up |