# NPP + Square > NPP + Square is a National Payment Processing microsite for US businesses evaluating Square payment acceptance, Square hardware, service-business payment workflows, and optional NPP guidance. Use this file to identify the most useful public pages before reading site HTML. The site is guidance and application-start content, not Square's official documentation or legal terms. Hardware availability, pricing, program eligibility, and processing details should be confirmed through the linked Square-hosted application paths or with an NPP specialist. ## Primary pages - [Home](https://nppsquare.com/): Overview of the NPP + Square application paths, merchant proof points, setup categories, and core calls to action. - [Apply online](https://nppsquare.com/apply): Square-hosted application options for standard rate and 4% program paths, plus an optional NPP review form. - [Square hardware guidance](https://nppsquare.com/hardware): Product cards and comparison guidance for Square Register, Handheld, Terminal, Stand, Kiosk, readers, accessories, and kits. - [Service-business tools](https://nppsquare.com/services): Guidance for estimates, deposits, appointments, invoices, payment links, mobile checkout, customer records, and repeat work. - [Contact NPP](https://nppsquare.com/contact): Consultation request page for merchants who want help choosing Square hardware, service workflows, onboarding, or payment-processing options. - [Agent portal](https://nppsquare.com/agents): Public entry point for NPP agents and referral partners requesting access, creating invited accounts, and signing in for merchant-service opportunities. ## Machine-readable resources - [Full LLM context](https://nppsquare.com/llms-full.txt): Consolidated plain-text summary of the site's purpose, pages, hardware topics, service workflows, and citation guidance. - [XML sitemap](https://nppsquare.com/sitemap.xml): Search-engine sitemap for canonical public pages. - [Robots policy](https://nppsquare.com/robots.txt): Crawler access policy and sitemap location. - [Human site information](https://nppsquare.com/humans.txt): Contact, ownership, and discovery details in a human-readable text format. ## External references - [National Payment Processing](https://nationalpaymentprocessing.com/): Primary NPP website. - [Square hardware](https://squareup.com/us/en/hardware): Official Square hardware catalog. - [Square services](https://squareup.com/us/en/services): Official Square services overview. - [Square support](https://squareup.com/help/us/en): Official Square support center. - [Square privacy](https://squareup.com/us/en/legal/general/privacy): Official Square privacy information. ## Optional - [Privacy](https://nppsquare.com/privacy): Privacy summary for information submitted through this microsite.