feat: add Loyal Spark to ecosystem#1903
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aspekt19 wants to merge 2 commits intox402-foundation:mainfrom
Open
feat: add Loyal Spark to ecosystem#1903aspekt19 wants to merge 2 commits intox402-foundation:mainfrom
aspekt19 wants to merge 2 commits intox402-foundation:mainfrom
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@aspekt19 is attempting to deploy a commit to the Coinbase Team on Vercel. A member of the Team first needs to authorize it. |
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Add Loyal Spark to x402 Ecosystem
Category: Services/Endpoints
What it does
Loyal Spark is an onchain loyalty protocol on Base L2 (chain ID 8453). Merchants and AI agents create and manage ERC-20 loyalty programs via REST (agent-api) and MCP (loyalty-mcp), with optional pay-per-request through the x402 gateway (USDC on Base). MCP is also available as a paid x402 resource: …/x402-gateway/mcp-tools/ (JSON-RPC tools/call); after HTTP 402 → pay → 200, the same agent uses x-api-key: lsk_... as for direct MCP. Autonomous agents can obtain a free lsk_ via SIWE (no web login) through the agent-register-siwe Edge Function (see repo).
x402 integration (production)
Gateway (public): https://bzxmejzssxjazswgwqqs.supabase.co/functions/v1/x402-gateway
x402Version: 2
Network: Base mainnet — CAIP-2 eip155:8453 (not the string base in accepts)
Asset: USDC on Base 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Verify / settle: In our deployment, Base mainnet uses the Coinbase CDP x402 API: https://api.cdp.coinbase.com/platform/v2/x402 (JWT with CDP_API_KEY_ID / CDP_API_KEY_SECRET on the gateway). The public https://x402.org/facilitator is a reference for the protocol; for v2 exact on mainnet we do not rely on it as the sole facilitator.
Bazaar-oriented metadata for MCP routes is included in HTTP 402 bodies (extensions.bazaar); tool ids and JSON Schemas are defined in-repo: supabase/functions/_shared/mcp-bazaar-tools.ts.
Links
Website: https://loyalspark.online/
Agents: https://loyalspark.online/for-agents
API docs: https://loyalspark.online/api-docs
OpenAPI: https://loyalspark.online/openapi.json
llms.txt: https://loyalspark.online/llms.txt
Repo: https://github.com/aspekt19/unboxed-loyalty-spark