# Rigetti & Co

**Canonical:** https://apis.io/providers/rigetti-and-co/  
**Website:** https://www.rigetti.com  
**APIs profiled:** 9

Rigetti Computing (Rigetti & Co) is a full-stack quantum computing company that builds superconducting quantum processors and delivers access to them through Quantum Cloud Services (QCS). The QCS HTTP API is an OpenAPI 3.0.2 REST/RPC interface (aligned with Google API Improvement Proposals) for discovering quantum processors and their instruction set architectures, reserving execution time, opening execution engagements against endpoints, and managing accounts and billing. Quantum programs are built and run with the pyQuil and qcs-sdk Python/Rust SDKs, while low-latency job execution, readout, and translation run over a companion gRPC surface. Authentication is OAuth2 (Okta) bearer JWT. Surfaced as an a16z portfolio company and enriched by the API Evangelist pipeline from Rigetti's published OpenAPI, gRPC protos, client packages, and QCS documentation.

## Kin Score — 40.0 / 100 (developing)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 40.0).

| Facet | Score |
|---|---|
| Discoverability | 81.5 |
| Contract Quality | 56.6 |
| Governance | 16.7 |
| Contract Governance | 16.7 |
| Operational Transparency | 10.5 |
| Developer Ergonomics | 37.5 |
| Commercial Clarity | 34.2 |
| Access Clarity | 34.2 |

## Agent readiness — 40.0 (agent-ready)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | yes |
| Idempotency | no |
| Error Semantics | verified |
| OpenAPI Examples | no |
| Rate Limit Signal | verified |
| Event Surface Described | no |
| Agent Skills | derived |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |

## Access

Self-serve signup — onboarding: self-serve, pricing: unknown, trial: no (confidence: medium).

## APIs (9)

- **Rigetti & Co account API** — The account API from Rigetti & Co — 22 operation(s) for account.
- **Rigetti & Co authentication API** — The authentication API from Rigetti & Co — 4 operation(s) for authentication.
- **Rigetti & Co clientApplications API** — Check for the latest SDK versions.
- **Rigetti & Co endpoints API** — The Endpoint is the means of access to a Quantum Processor.
- **Rigetti & Co engagements API** — The Engagement is the authorization mechanism for access to the Quantum Processor.
- **Rigetti & Co Healthcheck API** — The Healthcheck API from Rigetti & Co — 1 operation(s) for healthcheck.
- **Rigetti & Co quantumProcessors API** — The Quantum Processor is the heart of the Rigetti services.
- **Rigetti & Co reservations API** — Find existing time on a Rigetti QPU and reserve it.
- **Rigetti & Co Rigetti QCS API API** — The Rigetti QCS API API from Rigetti & Co — 2 operation(s) for rigetti qcs api.

## MCP servers (1)

- **Rigetti & Co MCP Server**

## Agentic access (1)

- **Rigetti And Co Agentic Access** — 52 operations · 17 acting · 3 human-in-the-loop

## Security (2)

- **Rigetti And Co Authentication** — http · 1 scheme
- **Rigetti And Co Domain Security** — TLSv1.3 · DMARC

## Tags

Company, Quantum Computing, Quantum, Infrastructure, Developers, Cloud Computing, QPU

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