C

Clash Commerce API

https://mpp.clashofcoins.com 74% (78/105)
Preview responses and set spending limits for this service through use.mpp.land Free budget controls, response samples, and reliability routing.

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 (2)

POST /agentic/mpp/buy dynamic
Buy an NFT sale through Tempo MPP

First call may return HTTP 402 with a Tempo payment challenge. Retry the same request with Authorization: Payment after MPP settlement.

Amount
dynamic
Currency
-
Method
mpp
Intent
-
402 Declared
Yes
Non-standard x-payment-info fields: asset: 0x20c000000000000000000000b9537d11c60e8b50 authHeader: Authorization: Payment network: tempo:4217 payTo: 0x8b29DABD6fBb5A09DAcbC7978eaed66A8540721d pricingMode: quote protocols: [mpp] purchaseStatusEndpointTemplate: /agentic/mpp/purchases/{paymentTx} quoteOptional: true quotePurpose: Use quote as a preflight to validate saleId, quantity, beneficiary, and exact payable amount before buy. rateLimits: map[paidRetriesPerPaymentPerMinute:10 unpaidPurchaseAttemptsPerIpPerMinute:30] recommendedClient: mppx retryBodyMode: reuse_original_json

Input Schema

FieldTypeRequiredDescription
beneficiary string Yes EVM address that will receive the minted NFT
quantity integer No
default: 1
saleId integer Yes
POST /shop/mpp/buy dynamic
Buy a Clash of Coins game shop item with Tempo MPP

Canonical payable MPP route for Clash of Coins shop purchases. Use the same JSON body on the unpaid challenge request and the paid retry.

Amount
dynamic
Currency
-
Method
mpp
Intent
-
402 Declared
Yes
Non-standard x-payment-info fields: asset: 0x20c000000000000000000000b9537d11c60e8b50 authHeader: Authorization: Payment network: tempo:4217 payTo: 0x8b29DABD6fBb5A09DAcbC7978eaed66A8540721d pricingMode: quote protocols: [mpp] purchaseStatusEndpointTemplate: /shop/mpp/purchases/{paymentReference} quoteOptional: true quotePurpose: Use quote as a preflight to validate recipient, cart contents, discount, and exact payable amount before buy. rateLimits: map[paidRetriesPerPaymentPerMinute:10 unpaidPurchaseAttemptsPerIpPerMinute:30] recommendedClient: mppx retryBodyMode: reuse_original_json

Input Schema

FieldTypeRequiredDescription
address string No Optional EVM address used to resolve and verify the recipient
itemId string No Single-item shorthand for buying one catalog item
items array No
nickname string No Clash of Coins player nickname that should receive delivery
quantity integer No Quantity used together with itemId shorthand
default: 1

Response Schema (200)

{
  "$ref": "#/components/schemas/ShopPurchaseStatusResponse"
}

Payment Methods

Methods
tempo (from challenge)
Intents
charge (from challenge)
Currencies (discovery)
-
Currency (challenge)
USDC.e on Tempo (Tempo)
Multiple Challenges
No

Recipients

  • 0x8b29DABD6fBb5A09DAcbC7978eaed66A8540721d
Per-endpoint breakdown
POST /agentic/mpp/buy
0x8b29DABD6fBb5A09DAcbC7978eaed66A8540721d

Security

TLS Version
TLSv1.3
Challenge ID Unique
Yes
Challenge ID Length
43
Digest Binding
-

Uptime

Discovery
Reachable (747ms)
Challenge
Reachable (541ms)
Last Checked

Schema Completeness

Paid Operations
2
With Input Schema
2
With Description
2

Documentation

Homepage
-
API Reference
-
llms.txt
-

Discovery

OpenAPI URL
https://mpp.clashofcoins.com/openapi.json
OpenAPI Version
3.1.0
Service Version
1.0.0
Document Size
26877 bytes
Document Hash
da0abc37cea742d2b54c5948c38dc49a5281efec52010b215944641ff094135e

Version History (2 snapshots)

  • document hash changed (no semantic differences detected)
  • document hash changed (no semantic differences detected)
  • document hash changed (no semantic differences detected)
  • document hash changed (no semantic differences detected)
  • document hash changed (no semantic differences detected)
  • document hash changed (no semantic differences detected)
  • document hash changed (no semantic differences detected)
Grade: D (58%) → C (74%)
Scan snapshots
Date Grade Score Response Status
2026-04-06 D 58% 810ms Up
2026-04-07 C 74% 767ms Up