How can I get invoices for my payments? What is Amazon's address, VAT number, and Tax ID?

You will need to create your own invoices for your records. You can use the following information when creating your invoices:

Marketplace: Amazon.com
Entity name: Amazon.com Sales, Inc.
Tax ID: 91-2000471
Entity Address: 410 Terry Avenue North, Seattle, WA, 98109, United States

Marketplace: Amazon.ca
Entity name: Amazon.com.ca, Inc.
Tax ID: 91-2089241
Entity Address: 410 Terry Avenue North, Seattle, WA, 98109, United States

Marketplace: Amazon.com.br
Entity name: Amazon Serviços de Varejo do Brasil Ltda.
Tax ID: 98-1204075
Entity Address: AV Presidente Juscelino Kubitsckek, 2041, 18º a 21º andares, Torre E, Vila Nova Conceição - CEP: 04543-000

Marketplace: Amazon.com.au
Entity name: Amazon Australia Services, Inc.
Tax ID: 46-2971461
Entity Address: 1200 12th Ave S Seattle, WA

Marketplace: Amazon.co.jp
Entity name: Amazon Services International LLC
Tax ID: 81-0624246
Entity Address: 410 Terry Avenue North, Seattle, WA, 98109, United States

Marketplace: Amazon.cn
Entity name: Amazon.com Sales, Inc.
Tax ID: 91-2000471
Entity Address: 410 Terry Avenue North, Seattle, WA, 98109, United States

Marketplace: Amazon.lux.uk, Amazon.lux.de, Amazon.lux.fr, Amazon.es AEU OU, Amazon.it, Amazon.in
Entity name: Amazon Media EU SARL
VAT registration number: LU 20944528
Entity Address: 5 Rue Plaetis, L-2338 Luxembourg, Luxembourg

Marketplace: Amazon.mx (amazon.com.mx)
Entity name: Servicios Comerciales Amazon México S. de R.L. de C.V.
EIN: 98-1192219
Entity Address:
Av. Boulevard Manuel Avila Camacho 261, Piso 5
Colonia Polanco I Seccion, Alcaldía Miguel Hidalgo
CP 11510, Ciudad de México

All royalty invoices from developers can be sent via email to digital-royalties-invoices@amazon.com