Getting Started

Before calling the S2S API in production, complete the checklist below. Missing steps are the most common cause of 401, 400, or payee-configuration errors.

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Prerequisites

Requirement	Why it matters
KYB-verified merchant account	Required Kollect Registered (login/signup) Merchant with status KybVerified. Check status
API key and secret	Required for POST /sdk/server/create-payment. Create credentials through the product flows that issue access tokens (Click here, navigate to API section and generate API and secret key).
Merchant Custodial Wallet	Payout initiation resolves the payee from the merchant form or user record. Without a deposit address, payment creation can fail with a mapped business error.
HTTPS webhook URL (recommended)	For production, expose a stable URL that accepts POST JSON, click here, navigate webhook and expose endpoints.

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Configuration checklist

1

Complete Onboarding.

• Login/Signup to kreatorverse.com

• Fill onboarding form.

• Connect existing wallet or create new with privy.

• Wait for KYB Verification.

• Get KybVerified Status and Admin access.

2

Proceed for Credential Generation

• Navigate API section, Generate API key and secret key.

• Activate your API.

3

Register your webhook (optional but typical)

• Expose your receiving webhook url and generate wehbook signin secret.

• Test your webhook endpoint using below test button.

4

Implement request signing

• Follow Request signing (HMAC).

• Use the raw request body bytes for the body hash.

5

Implement idempotency

• Send a unique X-Idempotency-Key per logical checkout or order.

• See Idempotency.

6

Call the API

• Use Create payment URL.

• Deliver paymentUrl to your customer.

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Base URL

See Base URL & environments for further API reference.

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Related pages

• Authentication overview

• Testing & sandbox

• Payment lifecycle