Bucket
Bucket (rebranded to Reflag in 2026, reflag.com) is a TypeScript-first feature management platform built for B2B SaaS teams. It provides feature flags with self-cleaning lifecycle automation, AI/agent integration via a hosted MCP server, strongly typed SDKs for React, React Native, Vue, Next.js, Node.js and the browser, OpenFeature providers, local flag evaluation for zero-latency and downtime protection, feature entitlements, in-app feedback collection, and deep integrations with Linear, Slack, GitHub, Datadog, Vercel and analytics tools. The platform exposes two APIs — a Runtime API for evaluating flags for users and companies at request time, and a Management API for programmatically managing apps, environments, flags and targeting rules from CI/CD. Backed by 500 Global and Creandum.
Bucket publishes 1 API on the APIs.io network: Apps API. Tagged areas include Company, Feature Flags, Feature Management, Feature Flagging, and Developer Tools.
Bucket’s developer surface includes documentation, API reference, getting-started guide, engineering blog, changelog, pricing, signup flow, and 25 more developer resources.
Kin Score
APIs 2
Individual APIs this provider publishes, each with its own machine-readable definition.
Reflag Runtime API
JSON-over-HTTP API browsers and backends use at runtime to fetch evaluated and enabled flags, and to send users, companies and feature-usage events. Publishable-key (client) or ...
Bucket Apps API
The Apps API from Bucket — 9 operation(s) for apps.
MCP Servers 1
Model Context Protocol servers that expose these APIs to AI agents.
bucket-mcp.yml
MCP SERVERSecurity Posture 4
Authentication, domain security, vulnerability disclosure, and trust-center signals.
Agentic Access 1
Recommended x-agentic-access execution contracts for AI agents.
Resources
Get Started 4
Portal, sign-up, and the first successful call
Documentation 2
Reference material describing how the API behaves
Agent Surfaces 5
MCP servers, agent skills, and machine-readable catalogs
Design & Contract 4
Pagination, idempotency, versioning, errors, and events
Build 4
SDKs, sample code, and the tooling you integrate with
Access & Security 6
Authentication, authorization, and security posture
Operate 2
Status, limits, changes, and where to get help
Commercial 3
Pricing, plans, and the legal terms of use
Company 2
The organization behind the API