AI Line Items

AI invoice line item generator for GitHub work

diffbill's AI reads your PR titles and descriptions, understands the context from linked issues, and rewrites them into clear, professional language your clients can understand and appreciate.

Last updated March 7, 2026 · Diffbill editorial team

Watch the transformation

From developer shorthand to client-ready descriptions. See how diffbill translates your work.

PR title

fix: resolve race condition in auth middleware

Line item

Resolved a critical stability issue in the authentication system, improving reliability under concurrent user load

PR title

refactor: extract useAuth hook and cleanup deps

Line item

Improved authentication architecture by extracting reusable logic, reducing future development time

PR title

feat: add stripe webhook handler for payment events

Line item

Implemented real-time payment event processing to ensure invoice and subscription status accuracy

PR title

chore: upgrade deps, fix CVE-2024-XXXX in lodash

Line item

Applied security updates to project dependencies, addressing a known vulnerability in a third-party library

Technical to professional.
Developer shorthand becomes client-facing language. No more explaining what 'refactor' or 'race condition' means.

fix: janky scroll on mobile viewport
Resolved mobile scrolling issue
chore: bump deps, fix lockfile
Updated project dependencies

Context from linked issues.
AI reads your linked GitHub issues to understand the 'why' behind the code change, producing richer descriptions.

#247 fix: auth token refresh
Issue #92 — Users logged out mid-session
Issue #87 — Token not refreshing on 401
Fixed authentication session stability, resolving user logout issues

Customized per client.
Set tone and verbosity level per client. A technical CTO gets different language than a non-technical business owner.

Tone
FormalNeutralCasual
Verbosity
Client: Acme Corp

Edit before you send.
AI gives you a head start. Every line item is fully editable before going to Stripe. You stay in control.

Line item
Fixed authentication session stability and token refresh
AI draft·edited

Sensitive detail redaction.
Starter keeps redaction enabled by default. Pro and Team can control it per account and per client.

fix: patch CVE-2024-3421 in lodash
Applied security patch to third-party dependency
feat: integrate internal-auth-svc v3
Integrated updated authentication service

One PR, multiple line items.
Large PRs that touch multiple features can be split into separate line items for clearer, more accurate billing.

#251 feat: auth overhaul + dashboard redesign
1.Authentication system overhaul$420
2.Dashboard interface redesign$380

Same code, different voices

Tailor your invoice language to each client's communication style.

Source

feat: implement real-time collaboration with websockets

Formal

Implemented real-time collaborative functionality utilizing WebSocket protocol to enable simultaneous multi-user editing capabilities across connected sessions.

Neutral

Added live collaboration features using WebSockets, allowing multiple users to work on the same document simultaneously.

Casual

Built real-time collaboration so multiple users can work together on the same document at the same time.

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Where AI line items fit in the buying journey

Try the generator and supporting calculators, then explore the GitHub workflow, invoicing path, and alternatives around it.