Catch Breaking API Changes Before They Break Production.
DevDiff continuously crawls official releases and changelogs across Stripe, OpenAI, Anthropic, AWS Boto3, LangChain, Next.js, FastAPI, Prisma, Terraform, GitHub Actions, Cloudflare, Shopify, Supabase, SendGrid, and Twilio every 3 hours—delivering structured breaking-change alerts to your REST API, Cursor/Claude MCP, Slack, and Discord.
Stop Reading Hundreds of Changelogs Manually
Prevent surprise production incidents caused by silent upstream SDK updates and deprecated API endpoints.
Zero Noise, High-Signal Summaries
Instead of flooding your team with every minor commit or typo fix, our AI pipeline isolates breaking changes, deprecations, and security advisories with clear impact summaries.
Built for AI Coding Agents (MCP Ready)
Connect DevDiff directly to Cursor or Claude Desktop via Model Context Protocol (MCP). Your AI assistant can query the latest upstream SDK changes before writing or refactoring code.
Instant Slack, Discord & Webhook Delivery
Receive real-time alerts in Slack or Discord the moment a breaking release is detected, or consume structured JSON via our low-latency REST API.
Monitored API & SDK Feeds (15 Sources)
Click any feed below to inspect the latest 3 release summaries and dedicated cURL commands for free.
Anthropic Claude SDK
AWS SDK for Python (Boto3)
Cloudflare Workers SDK (Wrangler)
FastAPI (Python Web Framework)
GitHub Actions Runner
LangChain (LLM & Agent Framework)
OpenAI Python SDK (ChatGPT API)
Prisma ORM (TypeScript & Node.js Database Toolkit)
Twilio SendGrid SDK & Email API
Shopify CLI & App Platform
Stripe API & SDK
Supabase (Postgres, Auth & Edge Functions)
HashiCorp Terraform (Infrastructure as Code)
Twilio SMS, Voice & Verify SDK
Next.js (Vercel)
Multi-Channel Delivery & Live API Playground
Query via REST API, connect your AI coding assistant via MCP, or receive real-time Slack/Discord webhooks with a single API key.
# Fetch the latest breaking changes across all monitored ecosystems
curl -s -H "X-API-Key: df_live_your_api_key" \
"https://160-251-182-200.sslip.io/v1/diffs/breaking?limit=20" | jq .Pay Only for the Ecosystems You Monitor
Start with a single SDK on the Solo Plan ($19/mo), cover your core stack up to 5 services on the Team Plan ($49/mo), or unlock all 15 feeds plus real-time Slack & Discord webhooks on Pro ($149/mo).
Check the APIs & SDKs your stack depends on
Solo ($19/mo) includes 1 selected feed. Team ($49/mo) includes up to 5 selected feeds. Pro ($149/mo) unlocks all 15 feeds automatically.
1 Selected Service
Perfect for solo developers tracking a single critical dependency like Stripe or OpenAI.
- Full historical & real-time archive for 1 selected feed
- Unrestricted REST API access (up to 100 events/req)
- Cursor & Claude MCP Server integration
- AI severity classification & impact summaries
- Switch your monitored service anytime via Portal
Up to 5 Selected Services
Built for product teams covering their core payments, AI, framework, and cloud dependencies.
- Full historical & real-time archive for up to 5 feeds
- Less than $10/month per monitored ecosystem
- Full MCP 2.x Server access for Cursor & Claude
- AI severity classification & impact summaries
- Swap your 5 monitored slots anytime via Portal
All 15 Feeds + Slack/Discord
For SRE teams and agencies maintaining multiple production systems. Includes all future feeds automatically.
- Unlimited access to all 15 monitored feeds
- Real-time Slack Incoming Webhook alerts
- Real-time Discord Embed Webhook alerts
- HMAC-SHA256 signed custom HTTP POST delivery
- Up to 20 webhook endpoints & per-target filtering
Manage Subscription, Monitored Slots & Cancellation
Enter your live API key (df_live_...) to open the Stripe Customer Portal or update your selected services for Solo/Team plans.
Quick Slack / Discord Webhook Registration
Pro subscribers can enter their API key on the left and register a Slack, Discord, or custom JSON webhook URL below.
Everything You Need to Know
Common questions about our autonomous changelog crawler, MCP integration, and self-serve billing.
Q. Why do I need an automated API breaking change monitor?
Upstream providers like Stripe, OpenAI, and Vercel ship frequent SDK updates, parameter deprecations, and webhook schema changes. Missing a breaking change can silently break your checkout flow, AI features, or production builds. DevDiff watches official release channels 24/7 so your team is alerted before outages happen.
Q. How is DevDiff different from raw GitHub release notifications or RSS feeds?
Raw release notes mix minor bug fixes and typos with critical breaking changes. DevDiff crawls official sources every 3 hours, deduplicates releases via SHA-256 hashing, and uses Gemini AI to classify severity and extract concise impact summaries.
Q. Can I connect DevDiff directly to Cursor, Claude Desktop, Slack, or Discord?
Yes. Every Starter and Pro subscription includes full access to our REST API and our Model Context Protocol (MCP) server for AI coding agents (Cursor, Claude Desktop). Pro plans also include real-time push alerts to Slack Incoming Webhooks, Discord Embeds, and HMAC-signed custom HTTP endpoints.
Q. How fast do I get my API key, and can I cancel anytime?
Your live API key (df_live_...) is provisioned automatically on the confirmation screen immediately after Stripe Checkout. No sales calls or contracts are required, and you can upgrade, download invoices, or cancel with one click via the self-serve Stripe Customer Portal.