Vacuum
Vacuum is the world's fastest and most versatile OpenAPI linter and toolkit, built in Go for validating and linting API specifications at scale. It is 100% compatible with Spectral rulesets and supports OpenAPI 3.0, 3.1, and 3.2.
Vacuum publishes 1 API on the APIs.io network. Tagged areas include API Design, Documentation, Linting, OpenAPI, and Spectral.
The Vacuum catalog on APIs.io includes 1 JSON-LD context and 1 Spectral governance ruleset.
Vacuum’s developer surface includes documentation and 11 more developer resources.
Kin Score
APIs 1
Individual APIs this provider publishes, each with its own machine-readable definition.
Vacuum
Vacuum is the world's fastest OpenAPI linter written in Go. It processes API specifications at lightning speed with full Spectral ruleset compatibility, interactive dashboards, ...
Pricing Plans 1
Published pricing tiers and plan structures.
Vacuum Plans Pricing
PLANSRate Limits 1
Documented rate limits and quota policies.
Vacuum Rate Limits
RATE LIMITSFinOps 1
Cost, billing, and metering signals for API financial operations.
Vacuum Finops
FINOPSSemantic Vocabularies 1
JSON-LD contexts and semantic vocabularies used across these APIs.
Vacuum Context
JSON-LDSpectral Rules 1
Spectral governance rulesets for linting and validating these APIs.
Vacuum API Rules
SPECTRALJSON Schema 2
Standalone JSON Schema definitions for this provider's data models.
Vacuum Report
JSON SCHEMAVacuum Ruleset
JSON SCHEMAJSON Structure 1
JSON Structure definitions describing this provider's data shapes.
Vacuum Ruleset Structure
JSON STRUCTUREExamples 1
Example request and response payloads for these APIs.
Vacuum Ruleset Example
EXAMPLESecurity Posture 1
Authentication, domain security, vulnerability disclosure, and trust-center signals.
Resources
Documentation 3
Reference material describing how the API behaves
Design & Contract 1
Pagination, idempotency, versioning, errors, and events
Build 3
SDKs, sample code, and the tooling you integrate with
Access & Security 1
Authentication, authorization, and security posture
Operate 1
Status, limits, changes, and where to get help
Commercial 1
Pricing, plans, and the legal terms of use
Company 1
The organization behind the API
Other 1
Properties that don't map to a standard resource type
Source (apis.yml)
Work with this as data
Every provider here is available over the APIs.io API and to AI agents over MCP.
MCP server
One button, every client — Claude, Cursor, VS Code and the rest.
https://apis.io/mcp
Tools for providers
9 MCP tools reach this
find_providersBrowse and filter every provider in the catalog.get_provider_artifactsEvery artifact this provider publishes, grouped by type.get_provider_operationsEvery operation across all of their OpenAPIs — one call instead of parsing every spec.get_provider_toolsEvery MCP tool they ship, with the operation each wraps.get_provider_evidenceHow each part of their score was established. Free — the basis for a claim should not sit behind it.get_provider_ratingPRO — composite, band, trend and facet scores.apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.resolveTurn a domain, URL or GitHub org into the provider it belongs to.find_cohortsEvery scored population of providers in the catalog.
Call it yourself
curl for this page
curl "https://apis.io/api/v1/providers/vacuum"
curl "https://apis.io/api/v1/providers?limit=25"
curl "https://apis.io/api/v1/providers/vacuum/operations?limit=25"
curl "https://apis.io/api/v1/providers/vacuum/evidence"
Discovery needs no key. Ratings and market analysis are Pro.