B
Face Search — MPP Grade B
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On-chain Activity
1
Total txs
0
7d txs
$0.00
7d volume
$0.40
Total volume
1
Unique payers
0
Unique clients
7-day activity
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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/face-search dynamic
Search for a person by face photo and return the most probable identity
- Amount
- map[amount:0.400000 currency:USD mode:fixed]
- Currency
- -
- Method
- Intent
- -
- 402 Declared
- Yes
Non-standard x-payment-info fields:
price: map[amount:0.400000 currency:USD mode:fixed] protocols: [map[x402:map[]] map[mpp:map[currency: intent: method:]]]
Input Schema
| Field | Type | Required | Description |
|---|---|---|---|
| filename | string | No | Optional filename for the image (default: "face.jpg") |
| image | string | Yes | Base64-encoded image data (JPEG, PNG, or WebP) |
Response Schema (200)
| Field | Type | Description |
|---|---|---|
| bestMatch | Highest-scoring match overall, or null | |
| bestProfile | Highest-scoring match from a social/professional profile, or null | |
| matches | array[object] | Top 20 matches (score >= 55), profiles first then by score |
| totalRawMatches | integer | Total raw matches before filtering |
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
- 0xD57DAB088C7F3836c0Df5A5EF445beF26D12D764
Per-endpoint breakdown
- POST /api/face-search
- 0xD57DAB088C7F3836c0Df5A5EF445beF26D12D764
Security
- TLS Version
- TLSv1.3
- Challenge ID Unique
- Yes
- Challenge ID Length
- 43
- Digest Binding
- -
Uptime
- Discovery
- Reachable (454ms)
- Challenge
- Reachable (436ms)
- Last Checked
Schema Completeness
- Paid Operations
- 1
- With Input Schema
- 1
- With Description
- 1
Documentation
- Homepage
- -
- API Reference
- -
- llms.txt
- -
Discovery
- OpenAPI URL
- https://facesearch.dev/openapi.json
- OpenAPI Version
- 3.1.0
- Service Version
- 2.0.0
- Document Size
- 5162 bytes
- Document Hash
- bad8665bd597b01ec71a42bd15f763fc961dc27e9edea79e12f90244cae8bbee
Version History (31 snapshots)
Grade: F (20%) → B (76%)
Grade: B (76%) → F (20%)
Grade: C (69%) → B (76%)
Grade: B (76%) → C (69%)
Grade: F (13%) → B (76%)
Grade: B (76%) → F (13%)
Grade: F (13%) → B (76%)
Grade: B (76%) → F (13%)
Grade: F (13%) → B (76%)
Grade: C (69%) → F (13%)
Grade: F (13%) → C (69%)
Grade: B (76%) → F (13%)
Grade: F (13%) → B (76%)
Grade: B (76%) → F (13%)
Grade: F (20%) → B (76%)
Grade: B (76%) → F (20%)
Grade: C (69%) → B (76%)
Grade: F (13%) → C (69%)
Grade: C (69%) → F (13%)
Grade: B (76%) → C (69%)
Grade: F (13%) → B (76%)
Grade: B (76%) → F (13%)
Grade: C (69%) → B (76%)
Grade: B (76%) → C (69%)
Grade: F (13%) → B (76%)
Grade: C (69%) → F (13%)
Grade: F (13%) → C (69%)
Grade: B (76%) → F (13%)
Grade: C (69%) → B (76%)
Grade: B (76%) → C (69%)
Grade: C (69%) → B (76%)
Grade: B (76%) → C (69%)
Grade: F (13%) → B (76%)
Grade: B (76%) → F (13%)
Scan snapshots
| Date | Grade | Score | Response | Status |
|---|---|---|---|---|
| 2026-04-22 | B | 76% | 454ms | Up |
| 2026-04-23 | B | 76% | 406ms | Up |
| 2026-04-24 | B | 76% | 456ms | Up |
| 2026-04-25 | B | 76% | 412ms | Up |
| 2026-04-26 | B | 76% | 496ms | Up |
| 2026-04-27 | B | 76% | 650ms | Up |
| 2026-04-28 | B | 76% | 450ms | Up |
| 2026-04-29 | B | 76% | 499ms | Up |
| 2026-04-30 | B | 76% | 648ms | Up |
| 2026-05-01 | B | 76% | 406ms | Up |
| 2026-05-02 | B | 76% | 475ms | Up |
| 2026-05-03 | B | 76% | 449ms | Up |
| 2026-05-04 | B | 76% | 356ms | Up |
| 2026-05-05 | B | 76% | 398ms | Up |
| 2026-05-06 | B | 76% | 500ms | Up |
| 2026-05-07 | B | 76% | 398ms | Up |
| 2026-05-08 | B | 76% | 418ms | Up |
| 2026-05-09 | B | 76% | 474ms | Up |
| 2026-05-10 | B | 76% | 703ms | Up |
| 2026-05-11 | B | 76% | 437ms | Up |
| 2026-05-12 | B | 76% | 483ms | Up |
| 2026-05-13 | B | 76% | 401ms | Up |
| 2026-05-14 | B | 76% | 495ms | Up |
| 2026-05-15 | B | 76% | 461ms | Up |
| 2026-05-16 | B | 76% | 653ms | Up |
| 2026-05-17 | B | 76% | 486ms | Up |
| 2026-05-18 | B | 76% | 392ms | Up |
| 2026-05-19 | B | 76% | 382ms | Up |
| 2026-05-20 | F | 13% | - | Down |
| 2026-05-21 | B | 76% | 419ms | Up |
| 2026-05-22 | B | 76% | 421ms | Up |