C
Tack — MPP Grade C
Preview responses and set spending limits for this service through use.mpp.land
Free budget controls, response samples, and reliability routing.
On-chain Activity
2
Total txs
0
7d txs
$0.00
7d volume
$0.00
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 GET /ipfs/{cid} returned 502
Paid Operations (5)
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 | - |
POST /private/objects dynamic
Store a wallet-owned private object
- 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-Content-Size-Bytes | header | integer | Yes | - |
| X-Storage-Duration-Months | header | integer | No | - |
Input Schema
| Field | Type | Required | Description |
|---|---|---|---|
| file | string (binary) | Yes | |
| meta | string | No | JSON object string with string values |
| name | string | No |
POST /private/objects/{objectId}/renew dynamic
Pay to extend private object retention
- 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]]]
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 (197ms)
- Challenge
- Reachable (322ms)
- Last Checked
Schema Completeness
- Paid Operations
- 5
- With Input Schema
- 3
- With Description
- 5
2 missing schema
- GET /ipfs/{cid}
- POST /private/objects/{objectId}/renew
Documentation
- Homepage
- -
- API Reference
- -
- llms.txt
- -
Discovery
- OpenAPI URL
- https://tack.inferenceroom.ai/openapi.json
- OpenAPI Version
- 3.1.0
- Service Version
- 0.2.7
- Document Size
- 15334 bytes
- Document Hash
- 91db44455ce29245003f77a9c70cf1eca9cb102dde2bf1dcc5da8212a426816a
Version History (31 snapshots)
- new endpoint: POST /private/objects
- new endpoint: POST /private/objects/{objectId}/renew
Grade: F (13%) → C (67%)
Grade: C (67%) → F (13%)
Grade: B (76%) → C (67%)
Grade: F (13%) → B (76%)
Grade: C (67%) → F (20%)
Grade: F (13%) → C (67%)
Grade: C (67%) → F (13%)
Grade: F (13%) → C (67%)
Grade: C (67%) → F (13%)
Scan snapshots
| Date | Grade | Score | Response | Status |
|---|---|---|---|---|
| 2026-04-29 | C | 67% | 310ms | Up |
| 2026-04-30 | C | 67% | 180ms | Up |
| 2026-05-01 | C | 67% | 186ms | Up |
| 2026-05-02 | C | 67% | 219ms | Up |
| 2026-05-03 | C | 67% | 218ms | Up |
| 2026-05-04 | C | 67% | 372ms | Up |
| 2026-05-05 | C | 67% | 186ms | Up |
| 2026-05-06 | C | 67% | 185ms | Up |
| 2026-05-07 | C | 67% | 207ms | Up |
| 2026-05-08 | C | 67% | 198ms | Up |
| 2026-05-09 | C | 67% | 187ms | Up |
| 2026-05-10 | C | 67% | 433ms | Up |
| 2026-05-11 | C | 67% | 192ms | Up |
| 2026-05-12 | C | 67% | 173ms | Up |
| 2026-05-13 | C | 67% | 195ms | Up |
| 2026-05-14 | C | 67% | 189ms | Up |
| 2026-05-15 | C | 67% | 212ms | Up |
| 2026-05-16 | C | 67% | 192ms | Up |
| 2026-05-17 | C | 67% | 291ms | Up |
| 2026-05-18 | C | 67% | 194ms | Up |
| 2026-05-19 | C | 67% | 259ms | Up |
| 2026-05-20 | C | 67% | 400ms | Up |
| 2026-05-21 | C | 67% | 188ms | Up |
| 2026-05-22 | C | 67% | 193ms | Up |
| 2026-05-23 | C | 67% | 203ms | Up |
| 2026-05-24 | C | 67% | 365ms | Up |
| 2026-05-25 | C | 67% | 223ms | Up |
| 2026-05-26 | C | 67% | 428ms | Up |
| 2026-05-27 | C | 67% | 231ms | Up |
| 2026-05-28 | C | 67% | 272ms | Up |
| 2026-05-29 | C | 67% | 208ms | Up |