Index onlineMerchant portal
Api Endpoint

api.loyalspark.online

Register an already-deployed onchain B20 loyalty token contract in Loyal Spark. Onchain loyalty on Base: brands launch rewards in minutes, customers earn with every purchase, AI agents automate the rest via REST and MCP. Send x-api-key: lsk_... (or Authorization: Bearer lsk_...) with the payment; without a live key you are not charged. Scoped to the key's...

Open interactive test console

Offering

Provider
api.loyalspark.online
Method
POST
Offering type
Api Endpoint
Transport type
http
Category
Blockchain And Crypto
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://api.loyalspark.online/x402-gateway/register-program
MIME type
application/json
First seen
2026-10-16T01:50:06.715Z
Last seen
Tags
None supplied

Website

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1
0.01 USDC
Atomic price: 10000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "10000",
    "payTo": "0x40a8CdD6a10EC1a8cB3dFb2834675e7a2CF4ad8b"
  }
]

Observed health

Status
Healthy
Latest latency
200 ms
Average latency
594 ms
HTTP status
200
Last checked
Reachability
100% over 13 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string",
      "const": "http"
    },
    "method": {
      "type": "string",
      "enum": [
        "POST",
        "PUT",
        "PATCH"
      ]
    },
    "bodyType": {
      "type": "string",
      "enum": [
        "json",
        "form-data",
        "text"
      ]
    },
    "body": {
      "type": "object"
    },
    "queryParams": {
      "type": "object",
      "additionalProperties": {
        "type": "string"
      }
    },
    "headers": {
      "type": "object",
      "additionalProperties": {
        "type": "string"
      }
    }
  },
  "required": [
    "type",
    "method",
    "bodyType",
    "body"
  ],
  "additionalProperties": false
}

Output schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string"
    },
    "example": {}
  },
  "required": [
    "type"
  ]
}