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software requirements document template
Quick answer: Scoping your product before you spend a dollar is the single best way to avoid blown budgets. Copy this lightweight PRD (product requirements document) template, fill it in, and you’ll get sharper quotes and a build that matches what you actually need.
1. Overview & problem
- One-paragraph summary of the product/feature.
- The problem it solves and for whom.
- Why now.
2. Goals & non-goals
- 3-5 measurable goals.
- Explicit non-goals (what this will NOT do in v1).
3. Users & personas
- Primary and secondary users.
- Their context, needs and current workarounds.
4. User stories
- As a [user], I want to [action], so that [outcome] – list the key flows.
- Prioritize: must-have (P0), should-have (P1), nice-to-have (P2).
5. Functional requirements
- Feature-by-feature description of expected behavior.
- Edge cases and error states.
6. Non-functional requirements
- Performance targets (load time, concurrency).
- Security & privacy (auth, roles, data handling, compliance).
- Accessibility (WCAG 2.1 AA), browser/device support.
7. Integrations & data
- Third-party services and APIs.
- Key data entities and relationships (rough data model).
8. Success metrics
- How you’ll know it worked (activation, retention, task success, revenue).
9. Milestones & open questions
- Proposed phases / MVP scope.
- Assumptions, risks, and open questions to resolve.
how this works
This is a practical PRD, not a 40-page spec: overview and problem, goals and non-goals, users, prioritized user stories, functional and non-functional requirements, integrations and data, success metrics, and milestones. Writing the non-goals and prioritizing stories (P0/P1/P2) is what keeps v1 small and shippable — and unclear requirements are the number-one cause of cost overruns, so this pays for itself.
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frequently asked questions
What is a PRD?
A product requirements document – a short, structured description of what to build, for whom, and why, including goals, user stories, and functional and non-functional requirements.
How detailed should a PRD be?
Detailed enough to scope and price, not so detailed it becomes a novel. Prioritize P0/P1/P2 and define non-goals to keep v1 small.
Who writes the PRD?
Usually the product owner – but a good agency will co-write it with you during discovery, which we offer as a paid or free-with-project discovery.
Why does this matter for cost?
Unclear requirements are the top cause of overruns. A clear PRD gets you accurate, comparable quotes and a build that matches your intent.
related guides
turn your idea into a build plan.
Book a free discovery call and we’ll co-write the requirements with you.