Configuration Guide

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Complete reference for all AdyenClient configuration options.

Application config

# config/config.exs
config :adyen_client,
  api_key:          System.get_env("ADYEN_API_KEY"),
  environment:      :test,
  merchant_account: "YourMerchantECOM",
  timeout:          30_000,
  max_retries:      3,
  webhook_hmac_key: System.get_env("ADYEN_HMAC_KEY")

# config/prod.exs
config :adyen_client, environment: :live

Runtime override

custom = AdyenClient.Config.load!(%{api_key: "other_key", environment: :live})
AdyenClient.Checkout.Sessions.create(%{...}, config: custom)

Validation

AdyenClient.Config.load/1 returns {:ok, config} or {:error, message}. AdyenClient.Config.load!/1 raises ArgumentError on invalid config.

Required: :api_key. All other keys have defaults.