aid: apptainer
name: Apptainer
description: >-
  Apptainer, formerly Singularity, is a Linux Foundation project providing a
  high-performance container runtime optimized for high-performance computing and
  scientific workloads. It enables reproducible, portable scientific computing
  with support for existing Docker/OCI containers and integration with HPC
  schedulers.
type: Index
position: Consumer
access: 3rd-Party
image: https://kinlane-productions2.s3.amazonaws.com/apis-json/apis-json-logo.jpg
tags:
- Containers
- HPC
- Scientific Computing
- Open Source
- Linux Foundation
created: '2026-03-16'
modified: '2026-04-19'
url: >-
  https://raw.githubusercontent.com/api-evangelist/apptainer/refs/heads/main/apis.yml
specificationVersion: '0.19'
apis:
- aid: apptainer:apptainer-api
  name: Apptainer API
  tags:
  - Containers
  - HPC
  - Scientific Computing
  - SIF
  humanURL: https://apptainer.org/docs/
  properties:
  - url: https://apptainer.org/docs/
    type: Documentation
  - url: https://github.com/apptainer/apptainer
    type: GitHubRepository
  - url: openapi/apptainer-openapi.yaml
    type: OpenAPI
  - url: json-schema/container-image-schema.json
    type: JSONSchema
  - url: json-structure/container-image-structure.json
    type: JSONStructure
  - url: examples/container-image-example.json
    type: Example
  - url: json-ld/apptainer-context.jsonld
    type: JSONLD
  - url: rules/apptainer-spectral-rules.yml
    type: SpectralRules
  - url: capabilities/shared/apptainer-api.yaml
    type: NaftikoCapability
  - url: capabilities/hpc-container-management.yaml
    type: NaftikoCapability
  - url: vocabulary/apptainer-vocabulary.yaml
    type: Vocabulary
  description: API for the Apptainer container runtime, providing programmatic management of HPC container images and instances optimized for scientific computing workloads.
common:
- type: Documentation
  name: Apptainer Documentation
  description: Official documentation for Apptainer.
  url: https://apptainer.org/docs/
- type: GitHubOrg
  name: Apptainer GitHub
  description: Source code and repositories for Apptainer.
  url: https://github.com/apptainer
maintainers:
- FN: Kin Lane
  email: info@apievangelist.com