# Xanadu

**Canonical:** https://apis.io/providers/xanadu/  
**Website:** https://xanadu.ai  
**APIs profiled:** 10

Xanadu is a Toronto-based photonic quantum computing company building cloud-accessible continuous- variable quantum processors based on squeezed states of light. Founded in 2016 by Christian Weedbrook and listed on TSX/Nasdaq (XNDU), Xanadu demonstrated a 50-million-fold Gaussian-boson-sampling speedup with Borealis in 2022 and published modular networked photonic quantum computing in Nature in 2025. Beyond hardware, Xanadu is one of the most prolific open-source contributors in quantum software — it maintains PennyLane (the de-facto cross-platform quantum ML framework), Strawberry Fields, MrMustard, The Walrus, Blackbird, Catalyst, Lightning, and FlamingPy, all under Apache-2.0. Xanadu's own Quantum Cloud was retired in January 2026; the company's developer surface is now centered entirely on its open-source stack and integrations with third-party QPUs.

## Kin Score — 21.0 / 100 (emerging)

Scored 2026-08-25 under rubric 0.14.0. Trend: flat (+0.0 from 21.0).

| Facet | Score |
|---|---|
| Discoverability | 64.8 |
| Contract Quality | 21.3 |
| Governance | 9.8 |
| Contract Governance | 9.8 |
| Operational Transparency | 21.1 |
| Developer Ergonomics | 26.2 |
| Commercial Clarity | 0.0 |
| Access Clarity | 0.0 |

## Agent readiness — 1.3 (human-only)

| Dimension | Value |
|---|---|
| Spec Presence | no |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | no |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | documented |
| Rate Limit Signal | no |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |

## Access

Unknown — onboarding: unknown, pricing: unknown, trial: no (confidence: low).

## APIs (10)

- **PennyLane** — PennyLane is the cross-platform Python framework for quantum computing, quantum machine learning, and quantum chemistry maintained by Xanadu. It provides automatic differentiati...
- **Catalyst** — Catalyst is a JIT compiler for hybrid quantum-classical programs written in PennyLane. Built on MLIR, it lowers PennyLane circuits to native machine code with quantum control fl...
- **PennyLane Lightning** — Lightning is the family of high-performance state-vector and tensor-network quantum simulators written in C++ for PennyLane. Includes lightning.qubit (CPU), lightning.gpu (CUDA)...
- **Strawberry Fields** — Strawberry Fields is Xanadu's full-stack Python library for designing, simulating, and optimizing continuous-variable (CV) photonic quantum circuits. It ships Gaussian, Fock, Te...
- **MrMustard** — MrMustard is a differentiable quantum-optics simulator that bridges phase space and Fock space with pluggable NumPy and JAX backends. It performs fast exact Fock-amplitude compu...
- **The Walrus** — The Walrus is a Python/C++ library for the fast calculation of hafnians, loop hafnians, and multidimensional Hermite polynomials — the linear-algebra primitives behind Gaussian ...
- **Blackbird** — Blackbird is Xanadu's quantum assembly language and intermediate representation for continuous-variable photonic quantum computation. It is used to program Xanadu's photonic har...
- **PennyLane-Qiskit Plugin** — PennyLane plugin that integrates IBM's Qiskit framework and IBM Q hardware as PennyLane devices for differentiable quantum programming. Apache-2.0.
- **FlamingPy** — FlamingPy is Xanadu's cross-platform Python library for efficient simulation of error correction in fault-tolerant photonic quantum computers, with a variety of pluggable decode...
- **Xanadu Cloud Client** — Xanadu Cloud Client (xcc) is the Python API and CLI that historically connected users to Xanadu's photonic quantum cloud (Borealis, X-series). Xanadu's Quantum Cloud was retired...

## Security (1)

- **Xanadu Domain Security** — TLSv1.3 · HSTS · DMARC

## Use cases (6)

- **Quantum Machine Learning Research** — Train hybrid quantum-classical models with automatic differentiation against simulators and real QPUs through a single PennyLane API.
- **Quantum Chemistry** — Run variational quantum eigensolver and chemistry workflows via pennylane.qchem, including ground state, excited state, and dynamics simulations.
- **Photonic Algorithm Research** — Design continuous-variable algorithms — Gaussian boson sampling, graph optimization, molecular vibronic spectra — in Strawberry Fields and MrMustard.
- **Fault-Tolerant Architecture Studies** — Use FlamingPy to simulate and benchmark photonic fault-tolerant quantum-computing architectures and decoders.
- **HPC-Scale Quantum Simulation** — Run large state-vector and tensor-network simulations on multi-GPU and multi-node clusters with Lightning + Catalyst.
- **Quantum Education** — Teach undergraduates and researchers quantum computing through the Xanadu Quantum Codebook, QHack, and the pennylane.ai demo library.

## Tags

Quantum Computing, Photonic Quantum Computing, Quantum Machine Learning, Continuous Variable, Open-Source, Python, PennyLane, Strawberry Fields, Toronto

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/xanadu/). Scores are computed from the provider's own public artifacts under a published rubric.