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Stax

Quick Start
  1. Sign up at staxpayments.com and obtain API credentials
  2. Create a terminal in the Admin Console with the parameters below
  3. Start processing — the adapter is pre-built and ready to use

Go to Stax →

Overview​

Payment processor with multi-step flow: customer→payment_method→charge, refund only if charged

Provider IDstax
CategoryCard Processors
Websitestaxpayments.com

Supported operations: start_tx capture_tx refund_tx status

Authentication​

API Key in Authorization header

Payment Flow​

Payment Flow​

Multi-step process:

  1. Create customer (if not exists)

    • POST to /customers
    • Store customer_id

  2. Create payment method

    • POST to /payment_methods
    • Link to customer_id
    • Card details tokenized
    • Store payment_method_id

  3. start_tx - Create charge (one-phase)

    • POST to /charges
    • Use customer_id and payment_method_id
    • capture=true for immediate charge
    • Returns charge_id

Two-phase:

  1. start_tx - Authorization
    • POST to /charges with capture=false
    • Status authorized → authorized
  2. capture_tx - Capture
    • POST to /charges/{id}/capture

Refund:

  • refund_tx - Refund charge
    • POST to /charges/{id}/refund
    • Only works if charge is captured
    • Authorized-only charges cannot be refunded (use void in other systems)

Resources​