Twins
Test agents against the tools they actually use.
Safe API twins for realistic agent staging, seeded from your stack and reset between runs.
Supported
Available today for sandbox runs.
Box
Intercept Box API traffic for files, folders, users, search, events, OAuth, and webhooks in backend agent workflows.
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Discord
Run agents and bots against a realistic Discord API twin for guilds, channels, messages, roles, webhooks, reactions, and events.
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Dropbox
Test file, folder, sharing, team, webhook, and upload workflows against a resettable Dropbox API twin.
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GitHub
Let agents work with repositories, pull requests, issues, checks, branches, commits, reviews, and webhooks in a safe GitHub twin.
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Gmail
Test email agents against a Gmail API twin for inboxes, threads, drafts, labels, search, attachments, send behavior, and watch events.
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Google Calendar
Test calendar agents against a Google Calendar API twin for calendars, events, ACLs, free/busy queries, settings, and watches.
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Google Drive
Run agents against a Google Drive API twin for files, permissions, shared drives, revisions, comments, exports, and resumable uploads.
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HubSpot
Test marketing and sales automation against a HubSpot API twin for contacts, companies, deals, tickets, owners, pipelines, and timelines.
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Jira
Let agents create, update, assign, search, transition, comment on, and attach files to issues against a Jira Cloud API twin.
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Linear
Test issue triage, project planning, comments, labels, assignments, cycles, and status changes against a realistic Linear twin.
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Test LinkedIn OAuth, profile, people search, connection, post, asset upload, and media workflows against a realistic LinkedIn API twin.
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Notion
Test agents against a Notion API twin for pages, databases, blocks, users, search, uploads, and workspace limits.
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Salesforce
Test CRM agents against a Salesforce API twin for accounts, contacts, opportunities, cases, tasks, and custom objects.
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Slack
Run agents against a realistic Slack twin for channels, messages, users, conversations, files, modals, OAuth, scopes, and rate limits.
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Stripe
Test payment, subscription, checkout, invoice, refund, dispute, customer, webhook, and dashboard workflows against a Stripe API twin.
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Unified
Test apps that talk to Unified.to through a backend-only twin that seeds connections proxying to providers like Slack, Google Drive, Box, Notion, and Dropbox.
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Unstructured
Test document partitioning, workflow management, source and destination CRUD, job execution, and API key auth against an Unstructured API twin.
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Planned twins we are prioritizing next.
Attio
Planned twin for CRM agents that manage companies, people, lists, notes, tasks, workflows, and relationship data.
backend-only twin
Request this twin
Outlook
Planned twin for Microsoft mail and calendar workflows across messages, folders, events, and attachments.
UI twin
Request this twin
Twilio
Planned twin for communications agents that handle messages, calls, conversations, phone numbers, webhooks, and delivery events.
backend-only twin
Request this twinMissing a service?
Request the twin you need.
Send us the service name, its landing page, and the workflows your agents need to run.