# Vast.ai

**Canonical:** https://apis.io/providers/vast-ai/  
**Website:** https://vast.ai  
**APIs profiled:** 11

Vast.ai is a decentralized GPU marketplace that matches buyers with 40+ datacenters and individual hosts renting out NVIDIA GPUs at market prices. It exposes a REST API, Python SDK, and vastai CLI for searching GPU offers, renting instances, attaching persistent volumes, and running serverless workloads across 68+ GPU types including H100, H200, B200, A100, and consumer RTX cards.

## Kin Score — 51.9 / 100 (developing)

Scored 2026-08-21 under rubric 0.12.0. Trend: flat (+0.0 from 51.9).

| Facet | Score |
|---|---|
| Discoverability | 81.5 |
| Contract Quality | 60.9 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 23.7 |
| Developer Ergonomics | 52.4 |
| Commercial Clarity | 75.0 |
| Access Clarity | 75.0 |

## Agent readiness — 43.9 (agent-ready)

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

## Access

Free · Self-serve signup — onboarding: self-serve, pricing: free, trial: no (confidence: high).

## APIs (11)

- **Vast.ai REST API** — The Vast.ai REST API is the control plane for the GPU marketplace. It supports searching offers across hosts, renting and managing instances, configuring machines and templates,...
- **Vast.ai Accounts API** — The Accounts API from Vast.ai — 13 operation(s) for accounts.
- **Vast.ai Billing API** — The Billing API from Vast.ai — 4 operation(s) for billing.
- **Vast.ai Instances API** — The Instances API from Vast.ai — 14 operation(s) for instances.
- **Vast.ai Machines API** — The Machines API from Vast.ai — 10 operation(s) for machines.
- **Vast.ai Network Volumes API** — The Network Volumes API from Vast.ai — 4 operation(s) for network volumes.
- **Vast.ai Search API** — The Search API from Vast.ai — 3 operation(s) for search.
- **Vast.ai Serverless API** — The Serverless API from Vast.ai — 9 operation(s) for serverless.
- **Vast.ai Team API** — The Team API from Vast.ai — 9 operation(s) for team.
- **Vast.ai Templates API** — The Templates API from Vast.ai — 1 operation(s) for templates.
- **Vast.ai Volumes API** — The Volumes API from Vast.ai — 4 operation(s) for volumes.

## Agentic access (1)

- **Vast Ai Agentic Access** — 89 operations · 64 acting · 2 human-in-the-loop

## Security (3)

- **Vast Ai Authentication** — apiKey/http · 3 schemes
- **Vast Ai Domain Security** — TLSv1.3 · HSTS · DMARC
- **Vast Ai Trust Center** — SOC 2, ISO 27001, PCI DSS, HIPAA, GDPR

## Plans (1)

- **Vast Ai Plans Pricing**

## Tags

Artificial Intelligence, Cloud, Compute, GPU, Machine-Learning, Marketplace, Serverless

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