C
Tack — MPP Grade C
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On-chain Activity
2
Total txs
2
7d txs
$0.00
7d volume
$0.00
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
- Endpoint GET /ipfs/{cid} returned 502
Paid Operations (3)
POST /pins dynamic
Pin content by CID
- Amount
- map[currency:USD max:50.000000 min:0.001000 mode:dynamic]
- Currency
- -
- Method
- Intent
- -
- 402 Declared
- Yes
Non-standard x-payment-info fields:
price: map[currency:USD max:50.000000 min:0.001000 mode:dynamic] protocols: [map[x402:map[asset:0x07d83526730c7438048D55A4fc0b850e2aaB6f0b chain:taiko chainId:167000 network:eip155:167000]] map[x402:map[asset:0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 chain:base chainId:8453 network:eip155:8453]] map[mpp:map[asset:0x20C000000000000000000000b9537d11c60E8b50 assetSymbol:USDC.e chain:tempo chainId:4217 currency:0x20C000000000000000000000b9537d11c60E8b50 intent:charge method:tempo]]]
Parameters
| Name | In | Type | Required | Description |
|---|---|---|---|---|
| X-Pin-Duration-Months | header | integer | No | Pin duration in months (1–24). Default: 1. |
Input Schema
| Field | Type | Required | Description |
|---|---|---|---|
| cid | string | Yes | IPFS content identifier to pin |
| meta | object | No | Optional metadata. meta.retrievalPrice gates GET /ipfs/:cid behind a paywall. |
| name | string | No | Optional human-readable name |
| origins | array | No | Optional peer multiaddrs to fetch from |
POST /upload dynamic
Upload a file and pin it (max 100MB)
- Amount
- map[currency:USD max:50.000000 min:0.001000 mode:dynamic]
- Currency
- -
- Method
- Intent
- -
- 402 Declared
- Yes
Non-standard x-payment-info fields:
price: map[currency:USD max:50.000000 min:0.001000 mode:dynamic] protocols: [map[x402:map[asset:0x07d83526730c7438048D55A4fc0b850e2aaB6f0b chain:taiko chainId:167000 network:eip155:167000]] map[x402:map[asset:0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 chain:base chainId:8453 network:eip155:8453]] map[mpp:map[asset:0x20C000000000000000000000b9537d11c60E8b50 assetSymbol:USDC.e chain:tempo chainId:4217 currency:0x20C000000000000000000000b9537d11c60E8b50 intent:charge method:tempo]]]
Input Schema
| Field | Type | Required | Description |
|---|---|---|---|
| file | string (binary) | Yes |
GET /ipfs/{cid} dynamic
Retrieve content by CID
Free for most CIDs. Owners may attach a paywall via meta.retrievalPrice when creating the pin; paywalled CIDs return 402 with a runtime payment challenge. Clients should be ready to handle a 402 response on this route and retry with payment.
- Amount
- map[amount:0 currency:USD mode:fixed]
- Currency
- -
- Method
- Intent
- -
- 402 Declared
- Yes
Non-standard x-payment-info fields:
price: map[amount:0 currency:USD mode:fixed] protocols: [map[x402:map[asset:0x07d83526730c7438048D55A4fc0b850e2aaB6f0b chain:taiko chainId:167000 network:eip155:167000]] map[x402:map[asset:0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 chain:base chainId:8453 network:eip155:8453]] map[mpp:map[asset:0x20C000000000000000000000b9537d11c60E8b50 assetSymbol:USDC.e chain:tempo chainId:4217 currency:0x20C000000000000000000000b9537d11c60E8b50 intent:charge method:tempo]]] x-note: Default: free. Pin owners may attach an arbitrary paywall via meta.retrievalPrice (not bounded by service max). Actual price is advertised in the runtime 402 challenge. x-optional: true x-source: meta.retrievalPrice
Parameters
| Name | In | Type | Required | Description |
|---|---|---|---|---|
| cid | path | string | Yes | - |
| Range | header | string | No | - |
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 (207ms)
- Challenge
- Reachable (192ms)
- Last Checked
Schema Completeness
- Paid Operations
- 3
- With Input Schema
- 2
- With Description
- 3
1 missing schema
- GET /ipfs/{cid}
Documentation
- Homepage
- -
- API Reference
- -
- llms.txt
- -
Discovery
- OpenAPI URL
- https://tack.inferenceroom.ai/openapi.json
- OpenAPI Version
- 3.1.0
- Service Version
- 0.2.6
- Document Size
- 9731 bytes
- Document Hash
- 67bde980fd043899f4bbd66a81cffaccf5ffc5f978bc5f8afc64aff59efc85b2
Version History (1 snapshots)
Scan snapshots
| Date | Grade | Score | Response | Status |
|---|---|---|---|---|
| 2026-04-29 | C | 67% | 310ms | Up |