SpecForge

Real-time collaborative API design for enterprise teams

Score: 7.9/10BrazilMedium BuildReady to Spawn
Brand Colors

The Opportunity

Problem

Enterprise dev teams lack robust API design collaboration tools that adequately support versioning, documentation, and governance for large-scale services.

Solution

SpecForge enables multiple developers to edit OpenAPI specifications in real-time, with live previews and conflict resolution. It automatically versions changes and generates interactive documentation. Governance rules ensure compliance with team standards during collaboration.

Target Audience

Enterprise development teams building and maintaining large-scale services

Differentiator

Seamless real-time editing like Figma for APIs, with built-in governance linting

Brand Voice

professional

Features

Real-time Editor

must-have20h

Collaborative YAML/JSON editing with cursors and live sync

Version History

must-have15h

Git-like branching and merging for API specs

Interactive Docs

must-have10h

Auto-generate and host Redoc/Swagger UI previews

Governance Linter

must-have12h

Custom rules for naming, structure, and security enforcement

Workspace Sharing

must-have8h

Team workspaces with role-based access

Export Integrations

nice-to-have6h

Export to Postman, Kubernetes, or Terraform

Commenting System

nice-to-have5h

Inline comments and @mentions for feedback

Change Notifications

nice-to-have4h

Email/Slack alerts on spec updates

AI Diff Suggestions

future10h

AI-powered merge conflict resolutions

Plugin Marketplace

future15h

Extend with custom linters

Total Build Time: 105 hours

Database Schema

users

ColumnTypeNullable
iduuidNo
emailtextNo
nametextYes

workspaces

ColumnTypeNullable
iduuidNo
nametextNo
owner_iduuidNo

Relationships:

  • owner_id references users(id)

specs

ColumnTypeNullable
iduuidNo
workspace_iduuidNo
nametextNo
spec_contenttextNo
versionintNo

Relationships:

  • workspace_id references workspaces(id)

governance_rules

ColumnTypeNullable
iduuidNo
workspace_iduuidNo
rule_nametextNo
rule_configtextNo

Relationships:

  • workspace_id references workspaces(id)

API Endpoints

POST
/api/workspaces

Create new workspace

🔒 Auth Required
GET
/api/workspaces/:id

Fetch workspace details

🔒 Auth Required
POST
/api/specs

Create new spec

🔒 Auth Required
PUT
/api/specs/:id/content

Update spec content (real-time via websocket)

🔒 Auth Required
GET
/api/specs/:id/versions

List versions

🔒 Auth Required
POST
/api/lint/:specId

Run governance lint

🔒 Auth Required

Tech Stack

Frontend
Next.js 14 + Tailwind + React Hook Form + Yjs (for collab)
Backend
Next.js API routes + Supabase Edge Functions
Database
Supabase Postgres
Auth
Supabase Auth
Payments
Stripe
Hosting
Vercel
Additional Tools
Liveblocks or Supabase Realtime for collabRedoc for docs

Build Timeline

Week 1: Core setup and auth

20h
  • Project setup
  • User auth
  • Workspace CRUD

Week 2: Spec editor MVP

25h
  • Basic editor
  • Save spec
  • Versioning

Week 3: Real-time collab

20h
  • Yjs integration
  • Live cursors

Week 4: Docs and linting

20h
  • Redoc preview
  • Governance linter

Week 5: Sharing and UI polish

15h
  • Invites
  • Responsive design

Week 6: Payments and launch

15h
  • Stripe integration
  • Landing page
Total Timeline: 6 weeks • 130 hours

Pricing Tiers

Free

$0/mo

1 collaborator, no governance

  • 1 workspace
  • Basic editor
  • Version history up to 5

Pro

$40/mo

10 collaborators/workspace

  • Unlimited workspaces
  • Real-time collab
  • Governance rules
  • Exports

Enterprise

$99/mo

None

  • All Pro + SSO
  • Unlimited collab
  • Priority support
  • Custom rules

Revenue Projections

MonthUsersConversionMRRARR
Month 11002%$80$960
Month 65008%$1,600$19,200

Unit Economics

$30
CAC
$1200
LTV
5%
Churn
92%
Margin
LTV:CAC Ratio: 40.0xExcellent!

Landing Page Copy

Collaborate on API Specs Like Code

Real-time editing, versioning, and governance for enterprise API design

Feature Highlights

Real-time multiplayer editing
Auto-versioning & branching
Interactive docs preview
Built-in governance
Team workspaces

Social Proof (Placeholders)

"'Transformed our API workflow' - Dev Lead @ BigCorp"
"'Finally, Figma for APIs' - CTO @ TechFirm"

First Three Customers

Post in r/api_design, HackerNews 'Show HN', and DM 10 enterprise devs from LinkedIn groups focused on microservices. Offer free Pro access for feedback and case studies.

Launch Channels

Product HuntHacker Newsr/SaaSr/apiTwitter #API

SEO Keywords

api design collaborationopenapi editor onlineteam api spec toolreal-time api documentation

Competitive Analysis

Stoplight

stoplight.io
Freemium $99/mo
Strength

Visual designer

Weakness

Limited real-time collab

Our Advantage

Superior real-time multiplayer + governance

SwaggerHub

swagger.io
$40/user/mo
Strength

Enterprise integrations

Weakness

No live collab

Our Advantage

Real-time editing at fraction of cost

🏰 Moat Strategy

Network effects from shared workspaces and governance data insights

⏰ Why Now?

Explosion of microservices and API-first architectures demands better collab tools

Risks & Mitigation

technicalmedium severity

Real-time sync issues at scale

Mitigation

Use battle-tested Yjs/Liveblocks

markethigh severity

Enterprise sales cycle long

Mitigation

Freemium to self-serve

executionmedium severity

Solo dev burnout

Mitigation

Strict timeline scoping

Validation Roadmap

pre-build7 days

Interview 10 dev leads on LinkedIn

Success: 5+ confirm pain & WOYOP

mvp42 days

Build core editor, get 20 signups

Success: 10 active users

launch7 days

PH launch, track conversions

Success: 50 users week 1

Pivot Options

  • Focus on solo dev tool
  • Add codegen features
  • Target API gateway integrations

Quick Stats

Build Time
130h
Target MRR (6 mo)
$2,000
Market Size
$5000.0M
Features
10
Database Tables
4
API Endpoints
6