Open API PricingOpen API Pricing

Flagsmith API pricing: plans, free tier and what to watch for

By the Open API Pricing research team · Verified Jun 27, 2026

Flagsmith API pricing at a glance: Free $0, Start-Up $40-45/mo, Scale-Up $250-300/mo, Enterprise Custom

The short answer

Flagsmith is billed per request (api calls). It has a free tier: Free cloud: 50k requests/mo, 1 seat, unlimited flags (self-host fully free). The paid plans we list start at $40-45/mo (Start-Up).

Plans and prices

PlanPriceWhat it covers
Free$050,000 requests/month, 1 team member, unlimited flags/environments/identities/segments, API access
Start-Up$40-45/mo$40/mo billed yearly or $45/mo monthly; 1,000,000 requests/month, 3 team members, scheduled flags, 2FA, A/B testing, integrations, email support
Scale-Up$250-300/mo$250/mo yearly or $300/mo monthly; 5,000,000+ requests/month, 5 seats (up to 20 at $50/member/mo), SAML/SSO, RBAC, change requests, audit logs
EnterpriseCustom5M+ requests, 20+ seats, tailored hosting (cloud/private cloud/self-hosted), 24/7 priority support, enterprise SLA, SCIM/LDAP
Open Source (self-hosted)FreeBSD-3-Clause core, self-host on your own infra, no request limits, unlimited users/flags/environments

How Flagsmith bills you

The pricing model is per request (api calls). Open-source (BSD-3) flag platform with a strong self-hosted story via Docker/Kubernetes plus a managed cloud and an MCP server for AI agents. Best suited to: open-source, self-hostable feature flags + remote config.

What to watch for on the bill

The pricing page we read

Flagsmith pricing page, captured for reference
Capture of www.flagsmith.com. Captured from Germany, so some vendors show local prices or currency. Listed prices are verified Jun 27, 2026. The live page may differ.

Source: https://www.flagsmith.com/pricing. Prices change, so confirm there before you commit.

Compare Flagsmith with alternatives

Other feature flag apis: LaunchDarkly, Statsig, PostHog, ConfigCat, Split.

Looking at quality rather than price? See the Flagsmith score on APIbenchmarks. Full entry: Flagsmith pricing.