# Relativity Space

**Canonical:** https://apis.io/providers/relativity-space/  
**Website:** https://www.relativityspace.com  
**APIs profiled:** 3

Relativity Space is an aerospace manufacturer building Terran R, a reusable medium-to-heavy lift orbital launch vehicle produced with the company's proprietary Stargate metal 3D printing platform in Long Beach, CA. The company sells launch services - dedicated and rideshare payload missions to LEO and GTO - to government, commercial, and telecommunications customers. Relativity Space does not publish a public developer API; its developer-facing artifact is the Terran payload user's guide (mission integration documentation), not a programmatic interface.

## Kin Score — 21.1 / 100 (emerging)

Scored 2026-08-25 under rubric 0.14.0. Trend: flat (+0.0 from 21.1).

| Facet | Score |
|---|---|
| Discoverability | 64.8 |
| Contract Quality | 27.9 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 0.0 |
| Developer Ergonomics | 9.5 |
| Commercial Clarity | 28.9 |
| Access Clarity | 28.9 |

## Agent readiness — 15.5 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | no |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | documented |
| 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

Paid — onboarding: unknown, pricing: paid, trial: no (confidence: medium).

## APIs (3)

- **Relativity Space Terran R Launch** — Terran R is a reusable medium-to-heavy lift launch vehicle offering up to 23,500 kg to LEO (downrange landing) and 5,500 kg to GTO, with a planned first launch from Launch Compl...
- **Relativity Space Stargate Manufacturing** — Stargate is Relativity Space's proprietary fourth-generation metal 3D printing platform used to manufacture Terran R structures at its Long Beach headquarters. This is an intern...
- **Relativity Space Payload and Rideshare** — Payload integration for dedicated constellation deployments, single large satellites, and multi-customer rideshare missions, supported through a standard Payload Attach Fitting ...

## Security (1)

- **Relativity Space Domain Security** — TLSv1.3 · HSTS · DMARC

## Plans (1)

- **Relativity Space Plans Pricing**

## Tags

Aerospace, Launch Services, Space, Rocket, 3D Printing, Additive Manufacturing

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