> ## Documentation Index > Fetch the complete documentation index at: https://docs.upsolve.ai/llms.txt > Use this file to discover all available pages before exploring further. # List Environments > List the project's environments: production first, then the ones the project created, each with its connection mappings and how many users and organizations belong to it. ## OpenAPI ````yaml get /v2/api/projects/{projectId}/environments openapi: 3.1.0 info: title: Upsolve API version: 1.5.0 servers: - url: https://api.upsolve.ai security: [] tags: [] paths: /v2/api/projects/{projectId}/environments: get: summary: 'List the project''s environments: production first…' description: >- List the project's environments: production first, then the ones the project created, each with its connection mappings and how many users and organizations belong to it. operationId: GetV2ApiProjectsProjectIdEnvironments parameters: - name: apiKey in: query required: false description: >- Upsolve API key, generated under Account → Developer settings in the Upsolve Hub. Keys are user-scoped: pass organizationId alongside the key to select which org to act on. schema: type: string minLength: 1 description: >- Upsolve API key, generated under Account → Developer settings in the Upsolve Hub. Keys are user-scoped: pass organizationId alongside the key to select which org to act on. examples: - up_embed_************ examples: example1: value: up_embed_************ - name: organizationId in: query required: false description: >- Your Upsolve organization's UUID — the org that owns the API key and project. This is NOT a project organization: do not pass a value registered via /projects/register-organization, and do not pass an `externalId` (only `projectOrganizationId` accepts those). Omit it when using an org-bound API key — the org is read from the key and any value sent here is ignored. Required only for user-scoped API keys (created under Account → Developer settings) and for the Supabase JWT path, where the org is ambiguous and membership is verified against it. schema: description: >- Your Upsolve organization's UUID — the org that owns the API key and project. This is NOT a project organization: do not pass a value registered via /projects/register-organization, and do not pass an `externalId` (only `projectOrganizationId` accepts those). Omit it when using an org-bound API key — the org is read from the key and any value sent here is ignored. Required only for user-scoped API keys (created under Account → Developer settings) and for the Supabase JWT path, where the org is ambiguous and membership is verified against it. examples: - 123e4567-e89b-12d3-a456-426614174000 type: string format: uuid pattern: >- ^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12})$ examples: example1: value: 123e4567-e89b-12d3-a456-426614174000 - name: projectId in: path required: true description: The project the environments belong to. schema: type: string format: uuid pattern: >- ^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12})$ description: The project the environments belong to. responses: '200': description: GET /v2/api/projects/:projectId/environments Positive response content: application/json: schema: type: object properties: status: type: string const: success data: type: object properties: environments: type: array items: type: object properties: slug: type: string description: >- The environment's identifier, immutable: `production` or the slug it was created with. name: type: string description: The environment's display name. isDefault: type: boolean description: >- True for production: built in, listed first, cannot be renamed or deleted, and where every user is unless they were put elsewhere. connections: type: array items: type: object properties: sourceConnectionId: type: string description: >- The production connection this mapping stands in for: the connection a workspace's versions target. connectionId: type: string description: >- The connection that source means in this environment. May equal the source, for an environment that shares production's data. updatedAt: type: - string - 'null' required: - sourceConnectionId - connectionId - updatedAt additionalProperties: false description: >- The environment's connection mappings. Empty for production, which runs every version on the connection it targets. userCount: type: integer minimum: -9007199254740991 maximum: 9007199254740991 description: >- How many project users belong to this environment, the organization members' own users included. organizationCount: type: integer minimum: -9007199254740991 maximum: 9007199254740991 description: >- How many project organizations belong to this environment, the members' shadow organization included. memberUserCount: type: integer minimum: -9007199254740991 maximum: 9007199254740991 description: >- Of `userCount`, the users Upsolve keeps for each organization member (one per member). They are deleted with the environment, so they do not keep it from being deleted. memberOrganizationCount: type: integer minimum: -9007199254740991 maximum: 9007199254740991 description: >- Of `organizationCount`, the shadow organization holding the members' users. Deleted with the environment. createdAt: type: - string - 'null' required: - slug - name - isDefault - connections - userCount - organizationCount - memberUserCount - memberOrganizationCount - createdAt additionalProperties: false description: >- Production first, then the project's environments by slug. connectionWorkspaceCounts: type: array items: type: object properties: connectionId: type: string workspaceCount: type: number description: >- Workspaces in this project built on the connection, now or by a saved version. required: - connectionId - workspaceCount additionalProperties: false description: >- Each connection workspaces in this project are built on. A connection with workspaces cannot become another connection's database. required: - environments - connectionWorkspaceCounts additionalProperties: false required: - status - data additionalProperties: false '400': description: GET /v2/api/projects/:projectId/environments Negative response content: application/json: schema: type: object properties: status: type: string const: error error: type: object properties: message: type: string code: type: string details: type: object propertyNames: type: string additionalProperties: {} required: - message additionalProperties: false required: - status - error additionalProperties: false security: - APIKEY_2: [] components: securitySchemes: APIKEY_2: type: apiKey in: query name: apiKey ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.