# init_form

Endpoint: POST /init_form
Version: 1.0.0
Security: timestamp, signature

## Request fields (application/json):

  - `partner_id` (integer, required)
    Partner identifier
    Example: 1234

  - `project_id` (integer, required)
    Project identifier
    Example: 5678

  - `amount` (number, required)
    Amount in the currency associated with the project.
    Example: 100

  - `user_data` (string, required)
    Unique identifier on partner side
    Example: "uda-123"

  - `card_data` (object)

  - `card_data.card_number` (string)
    Example: "4111111111111111"

  - `card_data.card_holder` (string)
    Example: "JOHN DOE"

  - `card_data.expiry_month` (string)
    Example: "12"

  - `card_data.expiry_year` (string)
    Example: "2026"

  - `card_data.secure_code` (string)
    Example: "123"

  - `card_data.token` (string)
    Example: "tok_abc123"

  - `browser` (object)

  - `browser.accept_header` (string)
    Example: "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8"

  - `browser.color_depth` (string)
    Example: "24"

  - `browser.language` (string)
    Example: "en-US"

  - `browser.screen_height` (string)
    Example: "1080"

  - `browser.screen_width` (string)
    Example: "1920"

  - `browser.time_zone` (integer)
    Смещение минут от UTC
    Example: -180

  - `browser.user_agent` (string)

  - `browser.java_enabled` (boolean)

  - `browser.window_width` (string)
    Example: "1200"

  - `browser.window_height` (string)
    Example: "800"

  - `browser.ip` (string)
    Example: "203.0.113.10"

  - `payer` (object)

  - `payer.first_name` (string)
    Example: "John"

  - `payer.last_name` (string)
    Example: "Doe"

  - `payer.email` (string)
    Example: "john.doe@example.com"

  - `payer.phone` (string)
    Example: "+441234567890"

  - `payer.billing_country` (string)
    Example: "GB"

  - `payer.billing_region` (string)
    Example: "Greater London"

  - `payer.billing_city` (string)
    Example: "London"

  - `payer.billing_postal_code` (string)
    Example: "EC1A 1AA"

  - `payer.billing_address_line1` (string)
    Example: "221B Baker Street"

  - `payer.billing_address_line2` (string)
    Example: "Flat 2"

  - `payer.shipping_country` (string)
    Example: "GB"

  - `payer.shipping_region` (string)
    Example: "Greater London"

  - `payer.shipping_city` (string)
    Example: "London"

  - `payer.shipping_postal_code` (string)
    Example: "EC1A 1AA"

  - `payer.shipping_address_line1` (string)
    Example: "221B Baker Street"

  - `payer.shipping_address_line2` (string)
    Example: "Flat 2"

  - `payee` (object)

  - `payee.address_line1` (string)
    Example: "221B Baker Street"

  - `payee.address_line2` (string)
    Example: "Flat 2"

  - `payee.city` (string)
    Example: "London"

  - `payee.region` (string)
    Example: "Greater London"

  - `payee.postal_code` (string)
    Example: "EC1A 1AA"

  - `payee.country` (string)
    Example: "GB"

## Response 200 fields (application/json):

  - `redirect_url` (string)
    Example: "https://pay.example.com/form/xyz"