Discover / api.loyalspark.online

Loyal Spark

□ No challenge detected

Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real value with every purchase, and AI agents automate the rest via REST and MCP. Free plan mints up to 1,000 tokens per month. On the paid retry also send x-api-key: lsk_.... A payment without a live key is not charged. The call is scoped to the wallet behind that key. 16 skill guides at loyalspark.online/.well-known/skills/index.md.

x402
Base
USDC
Blockchain

Listed price: $0.01
Challenge detected: 7 of the last 10 checks
Median response: 222 ms
Last checked: 17 Oct, 07:50 UTC
In our index since: 26 Sept 2026

Endpoint

curl -i https://api.loyalspark.online/x402-gateway/accept-offer
# 402 Payment Required: pay with an x402 client (USDC on Base),
# then send the same request again with the payment attached.

33 listed endpoints · on x402 Bazaar

Checks and payment terms on this page refer to the endpoint above. Other listed endpoints have not been checked individually.

Base URLhttps://api.loyalspark.online/x402-gateway

GET/vouchers$0.001Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real value with every purchase, and AI agents automate the rest via REST and MCP. Free plan mints up to 1,000 tokens per month. On the paid retry send the payment together with header x-api-key: lsk_... or Authorization: Bearer lsk_.... A payment without a live key is not charged. Get a free lsk_ key without a browser: POST https://api.loyalspark.online/siwe-nonce, sign a SIWE message (Chain ID 8453) containing 'Register Loyal Spark merchant agent', then POST {message, signature, name} to https://api.loyalspark.online/agent-register-siwe. Guide: https://loyalspark.online/.well-known/skills/00-getting-started.md The call is scoped to the wallet behind that key. 16 skill guides at loyalspark.online/.well-known/skills/index.md.
GET/recipient-api/balance$0.001Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real value with every purchase, and AI agents automate the rest via REST and MCP. On the paid retry send the payment together with header x-api-key: rwk_... or Authorization: Bearer rwk_.... A payment without a live key is not charged. Holder key, not a merchant key. There is no paid registration. POST https://api.loyalspark.online/siwe-nonce, sign a SIWE message (Chain ID 8453) with the holder wallet and no special phrase, then POST {message, signature, name} to https://api.loyalspark.online/recipient-api/register. The rwk_ key sees only that wallet: balances, redeem, vouchers, transfer calldata, P2P, gift claims. Guide: https://loyalspark.online/.well-known/skills/00-getting-started.md The call is scoped to the wallet behind that key. 16 skill guides at loyalspark.online/.well-known/skills/index.md.
POST/recipient-api/accept-offer$0.01Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real value with every purchase, and AI agents automate the rest via REST and MCP. Free plan mints up to 1,000 tokens per month. On the paid retry send the payment together with header x-api-key: rwk_... or Authorization: Bearer rwk_.... A payment without a live key is not charged. Get a free rwk_ key without a browser: POST https://api.loyalspark.online/siwe-nonce, sign a SIWE message (Chain ID 8453) with your holder wallet, then POST {message, signature, name} to https://api.loyalspark.online/recipient-api/register. Guide: https://loyalspark.online/.well-known/skills/00-getting-started.md The call is scoped to the wallet behind that key. 16 skill guides at loyalspark.online/.well-known/skills/index.md.
POST/program-status$0.005Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real value with every purchase, and AI agents automate the rest via REST and MCP. Free plan mints up to 1,000 tokens per month. On the paid retry send the payment together with header x-api-key: lsk_... or Authorization: Bearer lsk_.... A payment without a live key is not charged. Get a free lsk_ key without a browser: POST https://api.loyalspark.online/siwe-nonce, sign a SIWE message (Chain ID 8453) containing 'Register Loyal Spark merchant agent', then POST {message, signature, name} to https://api.loyalspark.online/agent-register-siwe. Guide: https://loyalspark.online/.well-known/skills/00-getting-started.md The call is scoped to the wallet behind that key. 16 skill guides at loyalspark.online/.well-known/skills/index.md.
POST/vouchers/use$0.005Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real value with every purchase, and AI agents automate the rest via REST and MCP. Free plan mints up to 1,000 tokens per month. On the paid retry also send x-api-key: lsk_.... A payment without a live key is not charged. The call is scoped to the wallet behind that key. 16 skill guides at loyalspark.online/.well-known/skills/index.md.
GET/workflow/program-status$0.001Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real value with every purchase, and AI agents automate the rest via REST and MCP. Free plan mints up to 1,000 tokens per month. On the paid retry send the payment together with header x-api-key: lsk_... or Authorization: Bearer lsk_.... A payment without a live key is not charged. Get a free lsk_ key without a browser: POST https://api.loyalspark.online/siwe-nonce, sign a SIWE message (Chain ID 8453) containing 'Register Loyal Spark merchant agent', then POST {message, signature, name} to https://api.loyalspark.online/agent-register-siwe. Guide: https://loyalspark.online/.well-known/skills/00-getting-started.md The call is scoped to the wallet behind that key. 16 skill guides at loyalspark.online/.well-known/skills/index.md.
GET/recipient-api/workflow/reward-status$0.001Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real value with every purchase, and AI agents automate the rest via REST and MCP. On the paid retry send the payment together with header x-api-key: rwk_... or Authorization: Bearer rwk_.... A payment without a live key is not charged. Holder key, not a merchant key. There is no paid registration. POST https://api.loyalspark.online/siwe-nonce, sign a SIWE message (Chain ID 8453) with the holder wallet and no special phrase, then POST {message, signature, name} to https://api.loyalspark.online/recipient-api/register. The rwk_ key sees only that wallet: balances, redeem, vouchers, transfer calldata, P2P, gift claims. Guide: https://loyalspark.online/.well-known/skills/00-getting-started.md The call is scoped to the wallet behind that key. 16 skill guides at loyalspark.online/.well-known/skills/index.md.
POST/workflow/generate-program-defaults$0.001Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real value with every purchase, and AI agents automate the rest via REST and MCP. Free plan mints up to 1,000 tokens per month. On the paid retry send the payment together with header x-api-key: lsk_... or Authorization: Bearer lsk_.... A payment without a live key is not charged. Get a free lsk_ key without a browser: POST https://api.loyalspark.online/siwe-nonce, sign a SIWE message (Chain ID 8453) containing 'Register Loyal Spark merchant agent', then POST {message, signature, name} to https://api.loyalspark.online/agent-register-siwe. Guide: https://loyalspark.online/.well-known/skills/00-getting-started.md The call is scoped to the wallet behind that key. 16 skill guides at loyalspark.online/.well-known/skills/index.md.

A dash means the listing gives no price or method. Copy buttons copy the full URL.

Showing 8 of 33 listed endpoints. First endpoints

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/api.loyalspark.online

Recent checks

26 Sept 2026One bar per check, showing up to 20 recent checks. Coloured bars show relative response time, with a minimum visible height; full-height grey bars mean no challenge was detected. “Challenge detected” means HTTP 402 or another detected payment-challenge signal.17 Oct 2026

All 10 checks

When (UTC)	Result	HTTP	Response
17 Oct, 07:50 UTC	No challenge detected	404	268ms
15 Oct, 19:10 UTC	No challenge detected	404	852ms
14 Oct, 12:00 UTC	No challenge detected	404	243ms
12 Oct, 22:31 UTC	Challenge detected	402	215ms
11 Oct, 00:15 UTC	Challenge detected	402	361ms
9 Oct, 15:32 UTC	Challenge detected	402	222ms
8 Oct, 12:43 UTC	Challenge detected	402	275ms
7 Oct, 09:33 UTC	Challenge detected	402	523ms
5 Oct, 17:05 UTC	Challenge detected	402	213ms
26 Sept, 05:02 UTC	Challenge detected	402	156ms

Questions

Did our last probe detect a payment challenge?

No. At our last probe on 17 Oct, 07:50 UTC, we detected no payment challenge.

What price is recorded for Loyal Spark?

Its listed price is $0.01.

What payment terms does Loyal Spark advertise?

The listing advertises x402, Base and USDC. It names cdp as its facilitator. Check the seller's current payment challenge and authentication requirements before paying.

Where is Loyal Spark listed?

In x402 Bazaar and x402-list.com. Superstables first indexed it on 26 Sept 2026.

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