Headless eCommerce Software Features Matrix | Capstera

The Headless eCommerce Software Features and Functionality Matrix is an Excel-based requirements list for evaluating API-based, mobile-first, cloud-native commerce platforms — the category of software that decouples the storefront front end from the commerce back end so a company can run the same catalog and checkout logic across web, app, and in-store channels. It lists the functional and non-functional requirements enterprises typically look for when choosing one of these platforms.

It's built for enterprise and solution architects, along with the product and IT teams they work with, who are running a platform evaluation or an RFP and don't want to spend the first few weeks just writing down what the software needs to do. Instead of starting a requirements document blank, or pulling together whatever a handful of business stakeholders can recall in a whiteboarding session, the matrix gives you an edited list to react to — add what's missing, delete what doesn't apply, and move on to the parts of the evaluation that are actually specific to your company.

As an architect, your job on a platform decision like this is to hold the integrated view — what the business needs, what the technology can do, and where the two don't line up. A pre-built feature list doesn't replace that judgment; it gives you a more complete starting point to apply it to.

Vendor websites are written to sell, so they tend to describe a platform's strengths and gloss over its gaps. Analyst reports go the other direction — they're expensive and pitched at a level too broad to double as a line-item requirements document. Between those two extremes, most teams end up assembling their own list by scraping vendor sites and running internal requirements sessions, which costs real time before the evaluation itself even starts. This matrix exists to shortcut that step, not to replace the evaluation.

What's Inside

• Roughly 60 functional features organized into categories, each with a short description
• Roughly 100 non-functional requirements covering the operational and technical qualities a platform needs
• A starting vendor comparison template listing several leading eCommerce platforms, meant to be edited to reflect the platforms actually under consideration

How Teams Use It

A solution architecture team uses the matrix as the base requirements document sent to vendors during an RFP, so every vendor is scored against the same list. A product team scores an incumbent platform against a shortlist of challengers using the same feature categories, after trimming the list down to what's relevant to their channel mix. An IT team pulls the non-functional requirements section into a security and compliance review ahead of a final vendor decision. An architecture team strips out categories that don't apply, adds line items specific to the company, and circulates the result for stakeholder sign-off before the evaluation formally begins.

Format & Delivery

Delivered as a single, editable Excel file. Download is instant after purchase, and licensing options — including an enterprise license — are available; consultants and consulting firms using it on behalf of clients are on a separate pricing model. The matrix is sold as a requirements starting point, not as an implementation or vendor-selection service — the comparative scoring and final decision stay with your team.

A generic list like this will fit some organizations closely and others only loosely — expect to spend more time customizing it if your commerce requirements are unusual, and less if they're fairly standard for the category. Merchandising, fulfillment, and IT security staff will each recognize gaps or irrelevant line items in their own area faster than a single architect working alone, so circulating the trimmed list to them before it goes out in an RFP is worth the extra day it takes.