Introduction

Welcome to the documentation for Qiskit and IBM Quantum. Find how-to guides, specific use-case tutorials, and API references for your quantum research and development. Use Qiskit and its related packages and tools to build, optimize, and execute workflows on the IBM® fleet of quantum computers.

---

Get started

• Quickstart

  Build a quantum circuit in under two minutes - no sign-in or API key required.

  Start building

• Tutorials

  Try end-to-end examples that apply Qiskit to common quantum computing use cases.

  Browse tutorials

• IBM Quantum Composer

  Drag-and-drop to visualize qubit states, run on quantum hardware, and automatically generate code.

  Tour the interface

---

Tools by task

• Map problem to circuits

  Construct quantum circuits with the Qiskit SDK

  Start creating

• Optimize workloads

  Reduce circuit depth and prepare quantum workloads with optimized circuits ready for execution

  Explore optimization

• Debug

  Test your quantum programs and estimate their performance through local simulation

  Begin debugging

• Execute on hardware

  Run your prepared workloads on IBM Quantum hardware using execution primitives

  Start executing

• Manage noise

  Manage the effects of noise using a diversity of error suppression and mitigation techniques

  Explore techniques

• Qiskit Functions

  Pre-built workflows to accelerate applications research

  Qiskit Functions overview

---

Support

• Error code registry

  Look up error codes and suggested solutions.

  Find an error code

• Support page

  Find answers to frequently-asked questions, learn how to report bugs, discover communities to join, and more.

  Get help