B
StableUpload
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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 (3)
POST /api/upload dynamic
Buy an upload slot. Agent uploads file via returned URL.
- Amount
- map[currency:USD max:2.00 min:0.02 mode:dynamic]
- Currency
- -
- Method
- Intent
- -
- 402 Declared
- Yes
Non-standard x-payment-info fields:
price: map[currency:USD max:2.00 min:0.02 mode:dynamic] protocols: [map[x402:map[]] map[mpp:map[currency:0x20c0000000000000000000000000000000000001 intent:charge method:tempo]]]
Input Schema
| Field | Type | Required | Description |
|---|---|---|---|
| contentType | string | Yes | MIME type of the file (e.g. image/png, video/mp4) |
| filename | string | Yes | Name of the file to upload |
| tier | string | Yes |
Upload tier: 10mb ($0.02), 100mb ($0.20), 1gb ($2.00)
enum: 10mb, 100mb, 1gb |
Response Schema (200)
| Field | Type | Description |
|---|---|---|
| curlExample | string | - |
| expiresAt | string | - |
| maxSize | number | - |
| publicUrl | string | - |
| siteUrl | string | - |
| txHash | string | - |
| uploadId | string | - |
| uploadUrl | string | - |
POST /api/site dynamic
Buy a site upload slot. Upload a zip file, then activate to extract and serve as a static site.
- Amount
- map[currency:USD max:2.00 min:0.02 mode:dynamic]
- Currency
- -
- Method
- Intent
- -
- 402 Declared
- Yes
Non-standard x-payment-info fields:
price: map[currency:USD max:2.00 min:0.02 mode:dynamic] protocols: [map[x402:map[]] map[mpp:map[currency:0x20c0000000000000000000000000000000000001 intent:charge method:tempo]]]
Input Schema
| Field | Type | Required | Description |
|---|---|---|---|
| filename | string | Yes | Name of the zip file to upload |
| tier | string | Yes |
Upload tier: 10mb ($0.02), 100mb ($0.20), 1gb ($2.00)
enum: 10mb, 100mb, 1gb |
Response Schema (200)
| Field | Type | Description |
|---|---|---|
| curlExample | string | - |
| expiresAt | string | - |
| maxSize | number | - |
| txHash | string | - |
| uploadId | string | - |
| uploadUrl | string | - |
POST /api/site/renew dynamic
Renew a site for count × 6 months. Price = tier price × count.
- Amount
- map[currency:USD max:20.00 min:0.02 mode:dynamic]
- Currency
- -
- Method
- Intent
- -
- 402 Declared
- Yes
Non-standard x-payment-info fields:
price: map[currency:USD max:20.00 min:0.02 mode:dynamic] protocols: [map[x402:map[]] map[mpp:map[currency:0x20c0000000000000000000000000000000000001 intent:charge method:tempo]]]
Input Schema
| Field | Type | Required | Description |
|---|---|---|---|
| count | integer | No |
Number of 6-month periods to extend (default 1)
default: 1
|
| tier | string | Yes |
Tier of the upload (must match the original tier)
enum: 10mb, 100mb, 1gb |
| uploadId | string | Yes | Upload ID to renew |
Response Schema (200)
| Field | Type | Description |
|---|---|---|
| count | number | - |
| newExpiresAt | string | - |
| uploadId | string | - |
Payment Methods
- Methods
- tempo (from challenge)
- Intents
- charge (from challenge)
- Currencies (discovery)
- -
- Currency (challenge)
- USDC.e on Tempo (Tempo)
- Multiple Challenges
- No
Recipients
- 0x06dFF3c8380b5D1799874adA903fc3422882FD6f
Per-endpoint breakdown
- POST /api/site
- 0x06dFF3c8380b5D1799874adA903fc3422882FD6f
- POST /api/site/renew
- 0x06dFF3c8380b5D1799874adA903fc3422882FD6f
- POST /api/upload
- 0x06dFF3c8380b5D1799874adA903fc3422882FD6f
Security
- TLS Version
- TLSv1.3
- Challenge ID Unique
- Yes
- Challenge ID Length
- 43
- Digest Binding
- -
Uptime
- Discovery
- Reachable (581ms)
- Challenge
- Reachable (516ms)
- Last Checked
Schema Completeness
- Paid Operations
- 3
- With Input Schema
- 3
- With Description
- 3
Documentation
- Homepage
- -
- API Reference
- -
- llms.txt
- -
Discovery
- OpenAPI URL
- https://stableupload.dev/openapi.json
- OpenAPI Version
- 3.1.0
- Service Version
- 1.0.0
- Document Size
- 21992 bytes
- Document Hash
- 09d2ceb19835d31d7bd8b5bc549174fae47a9610583241f389b89bdfc5733011
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- price changed on POST /api/site: None → {'mode': 'dynamic', 'currency': 'USD', 'min': '0.02', 'max': '2.00'}
- price changed on POST /api/site/renew: None → {'mode': 'dynamic', 'currency': 'USD', 'min': '0.02', 'max': '20.00'}
- price changed on POST /api/upload: None → {'mode': 'dynamic', 'currency': 'USD', 'min': '0.02', 'max': '2.00'}
Scan snapshots
| Date | Grade | Score | Response | Status |
|---|---|---|---|---|
| 2026-04-06 | B | 79% | 557ms | Up |
| 2026-04-07 | B | 79% | 446ms | Up |