4 twins.
One base URL.
Hand-built, stateful, and verified against the vendor's own SDK in CI. Pick a twin, seed it from a sentence, and point your existing client at the hostname the sandbox gives you.
Attio
CRM·openapi
Objects, attributes and records, with lists, notes and tasks on top.
GitHub
Developer tools·octokit
Repositories, issues, pull requests and Projects v2, over REST and GraphQL.
Linear
Issue tracking·@linear/sdk
A GraphQL workspace: teams, workflow states, issues and their comments.
Resend
Email·resend
Transactional sends, broadcasts, and the delivery events that follow them.
- S
Stripe
Payments·voted on
Ships in customer-voted order.
- T
Twilio
Messaging·voted on
Ships in customer-voted order.
- S
Slack
Messaging·voted on
Ships in customer-voted order.
- N
Notion
Docs·voted on
Ships in customer-voted order.
- H
HubSpot
CRM·voted on
Ships in customer-voted order.