Configuring the Authentication

All methods require the following authentication headers.

Key	Value	Comments
`Content-Type`	`application/json`	Indicates that the request body is transmitted in JSON format.
`Authorization`	`Basic {{Merchant Private Key}}`	Send the `{{Merchant Private Key}}` (your merchant identifier) prefixed with the word `Basic`. Example: `Basic RVkeLr-86_iTzSMLvDtuyQ-1zqIcsmFG-oSzncn_uFv-nj7bhB3rtZg__`

Setting the Language of the Response Codes for Payins

Error descriptions can be localized by including the lang header in your request.
Use any of the following languages in ISO 639-1 format.

Code	Language
`en`	English. Default language. If no header is sent, or the value is invalid, the response will default to English.
`es`	Spanish.
`pt`	Portuguese.

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Review the list of possible error responses and their resolutions for Payins.

Review the list of possible error responses and their resolutions for Payouts.