B2D (Business-to-Developer)
B2D (Business-to-Developer) is a go-to-market model for products whose primary users are software developers, such as APIs, SDKs, databases, cloud infrastructure and developer tools. The b2d meaning is simple in practice. Developers discover, test and champion the product, but they rarely sign the contract.
A company usually pays, and engineering leaders, IT and security approve the purchase. So B2D is really a form of B2B with a bottom-up adoption path. Usage starts with individual engineers and grows into a team or company-wide purchase. Sales, marketing and RevOps teams at infrastructure and tooling companies use the term to describe how their buyers behave. Hands-on evaluation comes first. Procurement comes later.
What Is B2D (Business-to-Developer)?
B2D describes any business whose product gets chosen, integrated and used by developers. RedMonk co-founder Stephen O'Grady popularized the idea in his 2013 book The New Kingmakers, which argued developers had become decisive in technology adoption.
The distinction that matters is between users and economic buyers. Developers are the users and early champions. Engineering managers, CTOs and security teams act as the technical buyers who validate fit and approve spend. RedMonk argues some selection power is shifting to AI agents, but the split between who uses and who signs still defines the model.
B2D vs. B2B vs. B2C
B2D isn't a third customer type. It's B2B where the user and the payer are different people.
| Model | Who uses | Who pays | Who decides | What sells |
|---|---|---|---|---|
| B2C | Individual | Individual | Individual | Brand, price, convenience |
| B2B | Employees | Company | Buying committee | Sales process, ROI case |
| B2D | Developers | Company | Developers influence, leaders approve | Docs, free tier, product quality |
The Stack Overflow 2025 Developer Survey found that 48% of developers endorsed or influenced the purchase of new technology at their organization. SlashData research found that 67% of CIOs, CTOs and IT managers make the final tool decision for their teams, versus 36% of tech leads.
How Developers Evaluate and Buy Software
Developers do their evaluating in documentation, repositories and communities, long before anyone talks to sales. Stack Overflow's 2025 survey shows API availability is the top factor when developers endorse a tool. Security or privacy concerns are the top reason they reject one.
Reliability, performance and stability lead endorsement drivers at 17% in Stack Overflow's 2026 survey. AI features? Just 2%. And only 19% of developers build in-house replacements for paid vendors, so buying is still the norm. Teams mapping this audience often start with B2B data for DevTools companies.
What Changes in B2D Sales and Marketing
When developers lead the funnel, a few core GTM assumptions break.
The docs and free tier do the selling. McKinsey describes sales teams prioritizing accounts that have already seen value through trials or freemium, similar to product-qualified leads, over MQLs.
Interest also shows up before any form fill. Evaluation happens in GitHub, Discord and Slack communities, Reddit and Stack Overflow, often weeks before prospects identify themselves.
And the buying committee gets bigger. Engineering leaders and security reviewers join, and security review becomes a real gate, not a formality.
So b2d sales teams work bottom-up with developers and top-down with executives at the same time. DevTools marketing covers the marketing side in depth.
Examples of B2D Companies
B2D companies show up across the infrastructure stack. Common categories include:
- API platforms for payments, messaging, search or identity
- Databases and data infrastructure
- CI/CD and build tooling
- Observability
- Cloud infrastructure and Kubernetes management
- Internal developer portals and platform engineering tools
They all follow the same adoption path. An engineer tries the product, it spreads across a team, and a company-wide contract follows.
FAQ
What does B2D stand for?
B2D stands for business-to-developer. It describes companies whose products, such as APIs, SDKs, databases and developer tools, are primarily used by software developers. The developer's employer usually pays, so B2D works as a form of B2B where users and economic buyers are different people.
What is the difference between B2B and B2D?
B2D is a subset of B2B. Both involve a company paying, but in B2D adoption runs bottom-up. Developers try and champion the product first, and engineering leaders, IT and security approve the purchase later. In traditional B2B, a buying committee evaluates top-down from the start.
What is a B2D company?
A b2d company sells APIs, tools or infrastructure that developers adopt directly, usually through a free tier, open-source project or self-serve trial. Usage spreads from individual engineers to teams. Revenue arrives when the organization formalizes the purchase with leadership and security approval.
What is B2D marketing?
B2D marketing wins developer trust through documentation, free tiers, technical content and community participation instead of gated forms and generic campaigns. Developers favor hands-on proof, accurate docs and reliable products over promotional messaging. The programs that work best let the product and its documentation show value directly.
How do you sell to developers?
Let the product prove itself first, then prioritize accounts already showing usage or community interest. Treat developers as champions, handle security review early, and bring in the engineering leaders who sign. For segmentation and outreach detail, see this guide to B2D personas and targeting.