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OpenAPI Specification

openapi: 3.2.0
info:
  title: Nixhub Pkg Resolve API
  version: 2.0.0
  description: The Nixhub API lets you search over 1 million package versions for over 100,000 Nix packages. Search for packages, look up version history, and resolve a package name + version to a nixpkgs commit and flake installable for use with Devbox or Nix. Free for personal use, subject to IP-based rate limiting. Built and operated by Jetify.
  contact:
    name: Jetify
    url: https://www.jetify.com/docs/nixhub/
  termsOfService: https://www.jetify.com/legal/terms
servers:
- url: https://search.devbox.sh/v2
  description: Nixhub production API (v2)
tags:
- name: Resolve
paths:
  /resolve:
    get:
      operationId: resolvePackageVersion
      summary: Resolve a Package Version
      description: Resolve a package name + version string to the latest matching version available in Nixpkgs. The response includes the flake installable information for the package on each supported platform.
      parameters:
      - name: name
        in: query
        required: true
        description: The name of the package you want to resolve. Must be a valid Nixpkgs package name.
        schema:
          type: string
      - name: version
        in: query
        required: true
        description: The version string of the package you want to resolve.
        schema:
          type: string
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ResolvedPackage'
        '400':
          description: '400 Bad Request: empty name (set a ?name=<value> query parameter)'
        '404':
          description: Not Found
      tags:
      - Resolve
components:
  schemas:
    FlakeRef:
      type: object
      description: The full Nix reference to the flake that contains this package.
      properties:
        type:
          type: string
          description: The type of flake reference. Usually 'github'.
        owner:
          type: string
          description: The owner of the repository that contains the flake. Usually 'NixOS'.
        repo:
          type: string
          description: The repository that contains the flake. Usually 'nixpkgs'.
        rev:
          type: string
          description: The Git revision of the flake. Usually a commit hash.
    ResolvedPackage:
      type: object
      properties:
        name:
          type: string
          description: The name of the package that was resolved.
        version:
          type: string
          description: The latest version of the package that matches the version string provided.
        summary:
          type: string
        systems:
          type: object
          description: A map of Nix system identifiers (aarch64-darwin, aarch64-linux, x86_64-darwin, x86_64-linux) to the installable details of the package on that system.
          additionalProperties:
            $ref: '#/components/schemas/SystemInstallable'
    Output:
      type: object
      properties:
        name:
          type: string
          description: The name of the output (e.g., out, lib, dev).
        path:
          type: string
          description: The unique path to the output in the Nix store.
        default:
          type: boolean
          description: Whether this output is the default output for the package.
        nar:
          type: string
          description: The path to the package's NAR (Nix Archive) file containing build artifacts.
    SystemInstallable:
      type: object
      properties:
        flake_installable:
          $ref: '#/components/schemas/FlakeInstallable'
        last_updated:
          type: string
        outputs:
          type: array
          items:
            $ref: '#/components/schemas/Output'
    FlakeInstallable:
      type: object
      description: The information needed to install this package as a flake reference.
      properties:
        ref:
          $ref: '#/components/schemas/FlakeRef'
        attr_path:
          type: string
          description: The attribute path to the package in the flake. Used to install with Nix or Devbox.