Developer Documentation
Connect AI agents and LLM assistants to VariFlask. Generate A/B test ideas, create experiments, and manage sites programmatically via the Model Context Protocol, Agent-to-Agent Protocol, or our REST API.
Product
Continuous Loops
How always-on champion-challenger optimization works in VariFlask: the statistical guardrails (7-day minimum, ≥500 samples/arm, 95% probability-to-win, regression checks, FDR control, auto-pause) and FAQ.
5 min read ProductSet up GA4 for your tests
Connect GA4, send test events with experiment_id and variant_id, and add the two custom dimensions so you can see results by variant in Google Analytics.
4 min readREST API
REST API Quickstart
Get started with the VariFlask REST API — authentication, your first call, rate limits, and response shape. Enterprise plan required.
3 min read REST APIREST API Endpoint Reference
Full reference for all 17 REST endpoints across sites, ideas, experiments, schedules, and webhooks. Request shapes, response samples, and event types.
12 min read REST APIErrors, Rate Limits & Pagination
Error codes, retry strategy, the 60 req/min rate limit with X-RateLimit headers, pagination via limit/offset, and CORS behaviour.
4 min readAgent Gateway
MCP + A2A Quickstart
Connect AI agents and LLM assistants (Claude Desktop, Cursor, n8n) to VariFlask via the Model Context Protocol or Agent-to-Agent Protocol. Setup, auth, and example requests.
5 min read Agent GatewayAgent Tool Reference
Full reference for all 8 agent tools exposed via MCP and A2A — create sites, generate A/B test ideas, manage experiments. Includes parameters, credit costs, and request/response examples.
10 min read Agent GatewayCredits & Billing
How per-call credit billing works for the agent gateway. Credit packs, atomic deduction, purchasing, and checking your balance.
3 min read Agent GatewayDiscovery & Documentation Surfaces
Every machine-readable surface an agent can use to learn what VariFlask does — MCP resources, A2A Agent Card, OpenAPI 3.1, /llms.txt, /llms-full.txt, and the get_docs + search_knowledge tools.
4 min readNeed an API key?
API access is enabled on the Enterprise plan. Keys are managed in
Settings → API after signup.