js-stronghold-sdk

📁 padparadscho/skills 📅 Feb 7, 2026

总安装量

周安装量

#58807

全站排名

安装命令

npx skills add https://github.com/padparadscho/skills --skill js-stronghold-sdk

Agent 安装分布

amp 3

opencode 3

kimi-cli 3

codex 3

github-copilot 3

gemini-cli 3

Skill 文档

Stronghold Pay JS SDK & REST API

Stronghold Pay is a payment infrastructure platform enabling online and in-store payment acceptance via ACH/bank debit. Two integration paths exist:

Stronghold.Pay.JS SDK â Frontend drop-in UI components for payment source linking, charges, and tips
REST API v2 â Server-side API for full control over customers, charges, payment sources, and PayLinks

Integration Architecture

âââââââââââââââ     ââââââââââââââââââââ     ââââââââââââââââââââ
â  Frontend   ââââââ¶â  Your Backend    ââââââ¶â  Stronghold API  â
â  (Pay.JS)   â     â  (Secret Key)    â     â  api.stronghold  â
â             â     â                  â     â  pay.com         â
â publishable â     â SH-SECRET-KEY    â     â                  â
â key only    â     â header           â     â                  â
âââââââââââââââ     ââââââââââââââââââââ     ââââââââââââââââââââ

Frontend uses the publishable key (pk_sandbox_... / pk_live_...) and customer tokens
Backend uses the secret key (sk_sandbox_... / sk_live_...) via SH-SECRET-KEY header
Customer tokens are generated server-side, passed to frontend, and expire after 12 hours

Quick Start

1. Include the SDK

<head>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
  <script src="https://api.strongholdpay.com/v2/js"></script>
</head>

2. Initialize the client

const strongholdPay = Stronghold.Pay({
  publishableKey: "pk_sandbox_...",
  environment: "sandbox", // 'sandbox' or 'live'
  integrationId: "integration_...",
});

3. Generate a customer token (server-side)

curl --request GET \
  --url https://api.strongholdpay.com/v2/customers/{customer_id}/token \
  --header 'SH-SECRET-KEY: sk_sandbox_...' \
  --header 'Accept: application/json'

Response:

{
  "response_id": "resp_...",
  "time": "2024-01-15T12:00:00Z",
  "status_code": 200,
  "result": {
    "token": "<jwt>",
    "expiry": "2024-01-16T00:00:00Z"
  }
}

4. Use SDK methods with the token

// Link a bank account
strongholdPay.addPaymentSource(customerToken, {
  onSuccess: (paymentSource) => {
    /* save paymentSource.id */
  },
  onExit: () => {
    /* user cancelled */
  },
  onError: (err) => {
    /* handle error */
  },
});

// Create a charge
strongholdPay.charge(customerToken, {
  charge: {
    amount: 4995, // $49.95 in cents
    currency: "usd",
    paymentSourceId: "payment_source_...",
    externalId: "order_123", // optional
  },
  authorizeOnly: false,
  onSuccess: (charge) => {
    /* charge.id */
  },
  onExit: () => {},
  onError: (err) => {},
});

Environments

Environment	Publishable Key	Secret Key	API Base
Sandbox	`pk_sandbox_...`	`sk_sandbox_...`	`https://api.strongholdpay.com`
Live	`pk_live_...`	`sk_live_...`	`https://api.strongholdpay.com`

Keys are found on the Developers page of the Stronghold Dashboard.

Sandbox Testing

Use fake bank accounts in sandbox. Test credentials for aggregators:

Aggregator	Username	Password
Plaid	`user_good`	`pass_good`
Yodlee	`YodTest.site16441.2`	`site16441.2`

Refer to Plaid sandbox docs for additional test credentials and institutions (e.g., First Platypus Bank).

Fraud Prevention

Include the Stronghold.Pay.JS script on every page of the site (not just checkout) to enable real-time transaction intelligence for fraud detection and chargeback prevention.

Core Concepts

Customer â End user making payments. Created via API, identified by customer_id
Customer Token â JWT (12-hour TTL) authorizing frontend SDK calls for a specific customer
Payment Source â A linked bank account. Created via addPaymentSource or bank_link PayLink
Charge â A payment from customer to merchant. Amounts in cents (e.g., 4995 = $49.95)
Tip â An additional payment associated with a charge
PayLink â A hosted URL for payment flows without frontend SDK integration
authorizeOnly â When true, charges/tips reach authorized state without immediate capture; use the Capture Charge API to capture later

Detailed References

JS SDK methods, callbacks, arguments: See references/sdk-reference.md
REST API v2 endpoints and authentication: See references/rest-api.md
PayLink hosted payment pages: See references/paylink.md
Error types and codes: See references/errors.md

SHx Token (Stellar Blockchain)

SHx is Stronghold’s utility token on the Stellar blockchain. It connects to the payment ecosystem as a rewards mechanism â merchants and customers earn SHx through the Stronghold Rewards Program based on transaction volume processed through the payment network. SHx is also used for governance voting and merchant financing liquidity. There are no direct SDK/API methods for SHx interaction; it operates as a background incentive layer on top of the payment infrastructure.

Key Links

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