# MD for: https://www.mercadopago.com.mx/developers/es/docs/links-and-debts/prerequisites.md

\# Prerequisites To start using Mercado Pago's Debt and Massive Links Management tool, you must be registered by the commercial area. For this purpose, the following information will be required. > WARNING > > Important > > The data must be shared with the commercial consultant through a spreadsheet or sent via the ticket previously created for this purpose, according to the provided guidance. | Data | Description | Possible Values/Examples | |----------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------| | Site | Country where the seller operates. | \*\*Debts\*\*: MLA (Argentina), MLM (Mexico)   
 \*\*Links\*\*: MLA (Argentina), MLB (Brazil), MCO (Colombia), MLC (Chile), MLM (Mexico), MPE (Peru), MLU (Uruguay) | | Mercado Pago User | Seller's Mercado Pago user\_ID. It is the identification number of the Mercado Pago account that receives the money from sales, that is, the account responsible for collecting the values. You can find it in the \[Developers panel\](https://www.mercadopago.com.mx/developers/en/docs/links-and-debts/additional-content/your-integrations/dashboard) by accessing any application. | 1117105806 | | Company Name to be Visible to Payer | Seller's name that will be displayed to the payer within the payment and search options. | Visible company name. | ## Wallet Fill in the following data if the seller publishes debts in Mercado Pago's wallet: | Data | Description | Possible Values/Examples | |-----------------------------|---------------------------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------| | Customer Identification | Type of identifier that the seller will use to distinguish its customer. | DNI / CUIT / CUIL (only for Argentina)   
 Customer code | | Customer Identification Format | Defines the characters that the identifier can obtain. | Numbers; Letters; Numbers and letters | | Segment | Market segment to which the company belongs. | telecom, energy, gas, government, financial, water, insurance, catalog, wallet, utilities, health, ecommerce, teaching, other, transport, electricity, bank, penalty, sanitation, subscriptions, municipality | | Product Category | Company's product category. | electricity, gas, generic, home, tv, phone, water, teaching, catalog, government, telecom, transport, sube | | Payment Methods | Payment methods that the company wants to enable for its payers. | money in account (mandatory), credit card, debit card, offline methods (tickets), consumer credits (Mercado Credito), debin (exclusive for Argentina) | | Logos | Images that will be shown to payers in Mercado Pago's wallet (optional). | The logos to be uploaded must be in .jpg or .png format and must weigh up to 5 MB. | ## SFTP Fill in the following data if the seller uses SFTP for uploading and downloading information: | Data | Description | Possible Values/Examples | |-----------------------------|-----------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------| | Company Legal Name | Legal name of the company | Mercado Libre SA | | Tax ID | Company's fiscal identifier. | Example: CUIT in Argentina, CNPJ in Brazil. | | Third-Party Contact Email | Seller's email account. | anna@mailexample.com | | SFTP - Name | Responsible for the SFTP user. | Melina Rodriguez | | SFTP - Email | Email of the SFTP user's responsible person. | melinarodriguez@mailexample.com | | SFTP - Phone | Phone number of the SFTP user's responsible person. | xxxxxx-yyyyyy | | SFTP - SSH Public Key | Public key associated with the user who will connect to SFTP. To create the key, access the documentation \[How to create an SSH public/private key\](https://www.mercadopago.com.mx/developers/en/docs/links-and-debts/public-and-private-key). | Key generated with the command \`ssh-keygen -t rsa -b 4096\`. | | SFTP - IP Range | List of public IP ranges that the seller will use to upload the files. | Format 123.123.123.123/32 |