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Bandit Engine API for Feature Flags
Create a developer-focused API or plugin that computes new variant weights and writes them back into existing flag systems. This targets teams that already have analytics and delivery infrastructure but lack adaptive optimization logic.
Por que isso importa
You do not necessarily want a full experimentation suite. You already have event tracking, a feature flag service, and a delivery path that works. The missing piece is the decision engine that turns experiment results into updated rollout weights. Rebuilding that in-house is possible, but it adds statistical, operational, and maintenance burden for something that should behave predictably in the background. What you want is an API-first layer that plugs into your current stack, reads outcomes, computes updated allocations on a schedule, and writes those percentages back without forcing changes to the performance-critical serving path.
- · Feito para Developer teams that maintain their own feature flag systems or use existing flag platforms and want adaptive allocation without replacing current infrastructure..
- · Monetização mais provável: SaaS subscription.
A Dor · Narrativa
You do not necessarily want a full experimentation suite. You already have event tracking, a feature flag service, and a delivery path that works. The missing piece is the decision engine that turns experiment results into updated rollout weights. Rebuilding that in-house is possible, but it adds statistical, operational, and maintenance burden for something that should behave predictably in the background. What you want is an API-first layer that plugs into your current stack, reads outcomes, computes updated allocations on a schedule, and writes those percentages back without forcing changes to the performance-critical serving path.
Detalhe da pontuação
Sinal de Mercado
Go-to-Market
Engineering-led SaaS teams already using feature flags in production and comfortable adopting infrastructure-style APIs.
~20K-50K teams globally
Hacker News launch
$299/month
5 design partners connect an existing flag system and complete one full adaptive rollout cycle in 30 days
Escopo do MVP · 1–2 semanas
- Define a generic experiment and variant weight API
- Implement one connector for a popular flag platform
- Build a background job that reads aggregate conversion counts
- Implement write-back of updated percentage allocations
- Add a dry-run mode that logs suggested changes without applying them
- Ship a second connector to validate abstraction quality
- Add simulation tooling for historical replay on past experiment data
- Implement rate limits and rollback controls for unsafe updates
- Create API docs and sample integration code
- Add a minimal dashboard for current weights and applied changes
Diferenciação
Por que isso pode falhar
Auto-refutação — o sinal de confiança mais importante
- 1Teams with enough engineering sophistication may decide to build this internally rather than pay for an external optimization layer.
- 2Connector maintenance across many flag systems can become expensive and slow product velocity.
- 3If users want end-to-end analytics and reporting, an API-only product may feel incomplete compared with broader platforms.
Resumo das evidências
Como a IA sintetizou este insight — sem citações literais
The prototype discussion reveals a concrete implementation pattern: use existing metric outputs, run an allocator in the background, and update feature flag splits without touching the request path. That signals demand for a modular layer rather than only a full product. Multiple comments imply the integration path matters as much as the algorithm itself, which supports an API or plugin strategy aimed at developer-led teams.
Plano de Ação
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Título Principal
Bandit Engine API for Feature Flags
Subtítulo
Create a developer-focused API or plugin that computes new variant weights and writes them back into existing flag systems. This targets teams that already have analytics and delivery infrastructure but lack adaptive optimization logic.
Para Quem É
Para Developer teams that maintain their own feature flag systems or use existing flag platforms and want adaptive allocation without replacing current infrastructure.
Lista de Funcionalidades
✓ API for experiment config and goal metrics ✓ Scheduled or event-driven weight recalculation ✓ Connectors for common feature flag platforms ✓ Write-back engine for percentage rollouts ✓ Simulation and dry-run mode before activation
Onde Validar
Compartilhe sua landing page no r/GitHub · PostHog/posthog — é exatamente lá que esses pontos de dor foram descobertos.
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