Marketplace · API · x402

api.loyalspark.online/x402-gateway/mcp-tools/use_voucher

Loyalty rewards: Mark an active voucher as used at checkout (merchant scans code or voucher id). 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.

Endpoint	`https://api.loyalspark.online/x402-gateway/mcp-tools/use_voucher`
Trust	Not checked yet
Pricing	Pay per call with x402, no account. Call it to get an exact quote before paying.
network	eip155:8453
scheme	exact
pay to	0x40a8CdD6a10EC1a8cB3dFb2834675e7a2CF4ad8b
method	POST
last updated	2026-11-14T00:31:52.487Z

Use it

Call it (an x402 client pays automatically)

curl -i https://api.loyalspark.online/x402-gateway/mcp-tools/use_voucher
# 402 reply -> sign PAYMENT-REQUIRED with an x402 client (e.g. @x402/fetch) -> retry with PAYMENT-SIGNATURE

This listing as JSON

curl https://aipaygen.com/v1/catalog/api/x402-7b3d1bc1199da9ab

Search the whole marketplace from your agent (MCP)

{
  "mcpServers": {
    "aipaygen": {
      "url": "https://aipaygen.com/mcp"
    }
  }
}

api.loyalspark.online/x402-gateway/mcp-tools/use_voucher

Use it

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