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Roadmap & Budget

How OpenIAP plans to grow, what has shipped, and how sponsorship funding is planned to be spent.

Development Roadmap#

Phase 1: Foundation (Q2–Q3 2026)#

Deliverable	Description	Status
Open governance model	Published governance document with maintainer policies and decision-making process	Done — Governance, still marked draft
Specification documentation	Normative documentation for both protocols	In progress — Commerce Protocol done; the Client Protocol has its schema and API reference but no normative prose yet
Purchase verification profile	Standardized server-side verification across stores	Done — The Commerce Protocol verification profile
Conformance test suite	Shared behavioral expectations executed against every store implementation and verification provider, backed by a machine-checked capability matrix	In progress — Expo, React Native, Android, Apple and IAPKit cover documented subsets; Flutter, KMP, MAUI and Godot adapters are next
Founding supporter outreach	Engage 3–5 organizations as initial supporters	In progress

Phase 2: Ecosystem Growth (Q4 2026–Q1 2027)#

Deliverable	Description	Status
Security guidance document	Transaction integrity best practices, fraud prevention patterns, audit-friendly purchase schema	In progress — Receipt validation guidance exists; integrity and fraud guidance does not
Expanded platform support	Unity and Unreal Engine codegen plugins via the IR architecture	Not started
Secure provider interoperability spec	Standardized handoff protocol between stores, apps, and verification services	Done — Commerce Protocol
Formal spec versioning	Semantic versioning for the specification with migration guides per platform	Done — Both protocols are versioned; see Versions
Open funding channel	Transparent funding channel for individual and corporate donors	Done — Sponsors

Phase 3: Industry Standard (Q2–Q4 2027)#

Deliverable	Description	Status
Conformance certification	Formal certification process for libraries claiming OpenIAP compatibility	Not started
Third-party auditor guidelines	Guidance for auditors reviewing verification providers	Not started — The provider integration spec itself shipped as the Commerce Protocol
Alternative store support	EU DMA compliance, alternative app store billing APIs	In progress — Amazon Appstore, Meta Horizon, Onside and external purchase links are supported; HarmonyOS, Galaxy Store and AppGallery are not
Foundation hosting exploration	Evaluate foundation hosting options for long-term neutral governance	Not started
Mentorship program	Structured onboarding themes for new contributors (bindings, tests, docs)	Not started

Budget Allocation#

The planned split of sponsorship funds:

Category	Allocation	Details
Maintainer Compensation	40%	Core maintainer time for spec development, code review, releases, and community management
Infrastructure	15%	CI/CD compute (GitHub Actions), hosting (Vercel), the IAPKit community instance (Convex), domain registration, code signing certificates
Security & Testing	20%	Conformance test infrastructure, security audits, verification profile development
Documentation	10%	API documentation, migration guides, tutorials, AI context compilation
Community & Outreach	10%	Contributor onboarding, mentorship programs, conference participation
Reserve	5%	Emergency platform API changes, legal/compliance needs

Current Operational Costs#

Item	Monthly Cost	Notes
Vercel hosting (docs site)	$20	openiap.dev
IAPKit community instance (Convex)	~$20	kit.openiap.dev receipt validation
Domain registration	~$3	openiap.dev annual amortized
GitHub Actions CI/CD	$0–50	Variable based on PR volume
Apple Developer account	~$8	$99/year amortized for testing
Google Play Console	~$2	$25 one-time amortized
Claude Code (AI assistant)	$200	Anthropic Max plan for development
Codex (AI assistant)	$100	OpenAI for code review and testing
Total baseline	$350–400/month	Excluding maintainer time

Funding Milestones#

What becomes possible at each funding level:

Monthly Funding	Unlocks
$500/mo	Covers infrastructure costs + basic maintainer compensation for security updates
$2,000/mo	Part-time maintainer focus on spec development and conformance tests
$5,000/mo	Dedicated maintainer time + security audit + new platform bindings
$10,000/mo	Full-time spec development, mentorship program, conference presence, foundation hosting

Transparency#

OpenIAP is committed to financial transparency. As funding grows, we will:

Publish quarterly financial reports on this page
Disclose all sponsors and sponsorship amounts (with sponsor permission)
Track spending against the budget allocation above
Open the books to Advisory Board members