D
402pixels — MPP Grade D
Preview responses and set spending limits for this service through use.mpp.land
Free budget controls, response samples, and reliability routing.
On-chain Activity
1
Total txs
0
7d txs
$0.00
7d volume
$0.25
Total volume
1
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
1 issue
- Endpoint POST /block returned 400 (expected 402)
Paid Operations (2)
POST /block dynamic
Claim or overwrite a block (x402/MPP payment required)
- Amount
- map[currency:USD min:0.250000 mode:dynamic model:bonding_curve]
- Currency
- -
- Method
- Intent
- -
- 402 Declared
- Yes
Non-standard x-payment-info fields:
offers: [map[amount:250000 currency:usd description:$0.25+ per block (bonding curve) intent:charge method:tempo]] price: map[currency:USD min:0.250000 mode:dynamic model:bonding_curve] protocols: [map[x402:map[]] map[mpp:map[currency:0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 intent:charge method:tempo]]]
Parameters
| Name | In | Type | Required | Description |
|---|---|---|---|---|
| x | query | integer | Yes | Block X coordinate |
| y | query | integer | Yes | Block Y coordinate |
Input Schema
| Field | Type | Required | Description |
|---|---|---|---|
| pixel_data | string | Yes | 150 hex chars representing 25 RGB pixels (5x5 grid) |
| target_url | string (uri) | No | Optional backlink URL |
| wallet_address | string | Yes | Ethereum wallet address |
Response Schema (200)
| Field | Type | Description |
|---|---|---|
| grid_x | integer | - |
| grid_y | integer | - |
| owner_addr | string | - |
| pixel_data | string | - |
| price_paid | string | - |
| purchase_count | integer | - |
| target_url | string | - |
| txid | string | - |
POST /blocks dynamic
Batch claim/overwrite blocks (max 16, x402/MPP payment required)
- Amount
- map[currency:USD min:0.250000 mode:dynamic model:sum_of_bonding_curves]
- Currency
- -
- Method
- Intent
- -
- 402 Declared
- Yes
Non-standard x-payment-info fields:
offers: [map[amount:250000 currency:usd description:$0.25+ per block (bonding curve) intent:charge method:tempo]] price: map[currency:USD min:0.250000 mode:dynamic model:sum_of_bonding_curves] protocols: [map[x402:map[]] map[mpp:map[currency:0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 intent:charge method:tempo]]]
Input Schema
| Field | Type | Required | Description |
|---|---|---|---|
| blocks | array | Yes | Array of blocks to purchase |
| target_url | string (uri) | No | |
| wallet_address | string | Yes |
Response Schema (200)
| Field | Type | Description |
|---|---|---|
| blocks | array[object] | - |
| total_paid | string | - |
| txid | string | - |
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 (98ms)
- Challenge
- Reachable (180ms)
- Last Checked
Schema Completeness
- Paid Operations
- 2
- With Input Schema
- 2
- With Description
- 2
Documentation
- Homepage
- -
- API Reference
- -
- llms.txt
- -
Discovery
- OpenAPI URL
- https://api.402pixels.com/openapi.json
- OpenAPI Version
- 3.1.0
- Service Version
- 1.0.0
- Document Size
- 4701 bytes
- Document Hash
- f9c013a15a4c9c33a17d63cc1cec275d3aef658ff21c719b75d4899e22b62d62
Version History (20 snapshots)
Grade: F (20%) → D (58%)
Grade: D (58%) → F (20%)
Scan snapshots
| Date | Grade | Score | Response | Status |
|---|---|---|---|---|
| 2026-05-08 | D | 58% | 365ms | Up |
| 2026-05-09 | D | 58% | 46ms | Up |
| 2026-05-10 | D | 58% | 383ms | Up |
| 2026-05-11 | D | 58% | 186ms | Up |
| 2026-05-12 | D | 58% | 157ms | Up |
| 2026-05-13 | D | 58% | 56ms | Up |
| 2026-05-14 | D | 58% | 74ms | Up |
| 2026-05-15 | D | 58% | 70ms | Up |
| 2026-05-16 | D | 58% | 75ms | Up |
| 2026-05-17 | D | 58% | 173ms | Up |
| 2026-05-18 | D | 58% | 76ms | Up |
| 2026-05-19 | D | 58% | 81ms | Up |
| 2026-05-20 | D | 58% | 44ms | Up |
| 2026-05-21 | D | 58% | 73ms | Up |
| 2026-05-22 | D | 58% | 54ms | Up |
| 2026-05-23 | D | 58% | 422ms | Up |
| 2026-05-24 | F | 20% | 44ms | Up |
| 2026-05-25 | D | 58% | 78ms | Up |
| 2026-05-26 | D | 58% | 52ms | Up |
| 2026-05-27 | D | 58% | 96ms | Up |