> ## Documentation Index > Fetch the complete documentation index at: https://docs.reactor.inc/llms.txt > Use this file to discover all available pages before exploring further. > ## Agent Instructions > To build and serve your own model, start at /deploy/development/quickstart and /deploy/development/overview. Deploying is the default path: reactor init scaffolds a workspace, reactor auth login authenticates, and reactor model deploy registers the model, publishes the release with the weights/ folder, and activates it on Reactor's GPUs, in one command from that workspace. Docker must be running, because the publish step builds the image locally. Bump model.version in reactor.yaml before redeploying a change, because a release that already has an image is reactivated as it is. Deployment access is granted per account, so contact team@reactor.inc if a deploy is refused. Every key in reactor.yaml is documented at /deploy/platform/reactor-yaml. Model code imports reactor_runtime; Python client code imports reactor_sdk. The runtime overview explains the model interface. Running the model on your own machine with reactor run is optional and needs a GPU you attach with --gpus; /deploy/development/local-testing covers that loop and pairs a complete brightness model with a Python client test in a separate brightness-test workspace. > Reactor hosts multiple models, each with its own connect slug (modelName) and command/event schema. The video model catalog — slug, typed SDK package, and links to its schema — is at /model-api-reference/overview. Robotics policy documentation starts at /robotics/overview; The launch policies are Cosmos Nano DROID (/robotics/cosmos/nano-policy-droid/), DreamZero DROID (/robotics/dreamzero/droid/), and FLUX Action DROID (/robotics/flux-action/droid/), organized by model family and embodiment. Some models expose one slug per experience (e.g. HappyOyster); always take the slug from the model's own pages, never guess it. > Fastest path to a working app: `npx create-reactor-app my-app --model=` scaffolds a complete app with secure auth wired up. Typed TypeScript SDKs are published as @reactor-models/; Python uses the base reactor-sdk package. > Auth: exchange an API key (rk_...) for a JWT via POST https://api.reactor.inc/tokens from your server. Never put the API key in client-side code. > Append .md to any docs URL for clean Markdown. Search these docs via the MCP server at https://docs.reactor.inc/mcp. # List sessions > Lists the account's sessions, newest first, with the session ID as a tie-break. Every session on the account is included, whoever started it. Callers with the `developer` or `account_admin` role may read their own account. Filter by `status`, a creation-date window, and `model`. A `model` with no sessions returns an empty list, not `404`. Results use cursor pagination. While `has_more` is `true`, pass `next_cursor` as `cursor` to get the next page. `total` counts only the rows on this page; for exact totals, use `GET /accounts/{account_id}/sessions/stats`. ## OpenAPI ````yaml /openapi.yaml get /accounts/{account_id}/sessions openapi: 3.1.0 info: title: Reactor Platform API version: '1' description: > The Reactor Platform API mints session tokens, starts and operates sessions, negotiates media transport, and manages your account, models, and deployments. Every path is relative to `https://api.reactor.inc`. See the [Introduction](/platform-api/introduction) and [Authentication](/platform-api/authentication) pages for credentials, versioning, and errors. contact: name: Reactor support url: https://docs.reactor.inc/resources/support servers: - url: https://api.reactor.inc description: Production security: - apiKey: [] tags: - name: Status description: >- Public, unauthenticated endpoints for service health, pricing, and the values the API accepts. - name: Tokens description: > Exchange a long-lived API key for a short-lived, session-scoped token that a client can use to create and operate sessions without holding the key. - name: Users description: > Read your own user record, your account's roster, and account memberships, and manage member roles as an account admin. - name: API Keys description: >- Revoke API keys. Use the [Dashboard](https://reactor.inc/dashboard) to list or create keys. The CLI can also create a key with `reactor auth login`. - name: Sessions description: > Create, inspect, and end sessions. A session holds one running model for one client application; media and messages flow over a transport you attach to it afterwards. - name: Transport description: > Attach a client to a session. WebRTC signaling carries ICE servers, SDP, and ICE candidates; a LiveKit room connection lets the session join a room you host. - name: Files description: > Upload files a model reads, either for one running session or ahead of time for sessions you have not started yet. - name: Recordings description: > Fetch the recorded video of a session as an HLS playlist, during the session or after it ends. - name: Accounts description: > Read and manage the account your credential acts in: its name and slug, its credit balance, its effective quotas, and its accelerator capacity. - name: Invitations description: > Invite people to your account by email, and manage pending invitations. The recipient accepts from the emailed link while signed in to the dashboard. - name: Usage description: > List the sessions your account has run, filter them by status, date, model, or API key, and read exact session totals for a date window. - name: Models description: > Register, read, update, and delete the models your account serves, and list the models you can use. The `reactor model` CLI commands are built on these endpoints. - name: Releases description: > Register a model's versioned releases, push their container image, and deploy a release with a per-region instance plan. - name: Model Weights description: > Upload and inspect the weights bundle of a release: single-request uploads, multipart uploads for large files, and the server-side finalize that marks a bundle complete. - name: Model Schemas description: > Attach an OpenAPI schema to a release that describes the model's commands, messages, and tracks. Schemas of public models are readable without credentials. - name: Model Access description: | Share a private model with other accounts, one environment at a time. - name: Projects description: > A project is the deploy identity of a model you serve on Reactor. Each model is one project, with its own UUID. Creating a project also creates its `production` environment. - name: Environments description: > An environment is a named deploy target of a project, such as `production` or `staging`. Each write to an environment creates its next revision, and the newest revision is what the environment runs. Environment access grants let another account start sessions on one environment. - name: Revisions description: > A revision is an immutable, numbered snapshot of one environment: its model image, weights, resources, instances, and variables. An environment's revisions, newest first, are its change log. - name: Images description: > Model images are the container images pushed to your model's repository, named by digest. Experimental: this API can change without notice. - name: Weight Sets description: > A weight set is a version-2 weights bundle, named by its set digest. Push the files, then put the manifest. Available when weight sets are enabled for your account. Experimental: this API can change without notice. - name: Tags description: > A tag is a movable name on one model image or one weight set of a project. A release of the model is a read-only tag. Experimental: this API can change without notice. paths: /accounts/{account_id}/sessions: get: tags: - Usage summary: List sessions description: > Lists the account's sessions, newest first, with the session ID as a tie-break. Every session on the account is included, whoever started it. Callers with the `developer` or `account_admin` role may read their own account. Filter by `status`, a creation-date window, and `model`. A `model` with no sessions returns an empty list, not `404`. Results use cursor pagination. While `has_more` is `true`, pass `next_cursor` as `cursor` to get the next page. `total` counts only the rows on this page; for exact totals, use `GET /accounts/{account_id}/sessions/stats`. operationId: listAccountSessions parameters: - $ref: '#/components/parameters/AccountId' - $ref: '#/components/parameters/AccountSessionStatus' - name: after in: query required: false description: >- Inclusive lower bound on `created_at`, as a `YYYY-MM-DD` date read as midnight UTC. schema: type: string format: date example: '2026-10-01' - name: before in: query required: false description: >- Exclusive upper bound on `created_at`, as a `YYYY-MM-DD` date read as midnight UTC. Must be later than `after`. schema: type: string format: date example: '2026-11-01' - $ref: '#/components/parameters/AccountSessionModel' - $ref: '#/components/parameters/AccountLimit' - $ref: '#/components/parameters/AccountCursor' responses: '200': description: A page of sessions. content: application/json: schema: $ref: '#/components/schemas/AccountSessionList' example: sessions: - session_id: 7c9e6679-7425-40de-944b-e07fc1f90ae7 user_id: 3b0d7a8d-1111-4444-9999-123456789abc created_by_api_key_id: 6f1d2c3b-4a5e-4f6d-8c7b-9a0e1f2d3c4b model: reactor/helios state: CLOSED closed: true cluster: 054e2495-c685-450f-9ceb-57f185b7300a zone: us-west region: us-west origin_country: US created_at: '2026-10-15T10:00:00Z' updated_at: '2026-10-15T10:12:30Z' recording_enabled: false total: 1 limit: 50 offset: 0 has_more: true next_cursor: g2NxdC4uLg '400': description: > `account_id` is not a UUID, `status` is unknown, a date is malformed, `after` is not before `before`, `limit` is out of range, `cursor` is malformed, or `offset` is nonzero. content: application/json: schema: $ref: '#/components/schemas/Error' '401': $ref: '#/components/responses/Unauthorized' '403': $ref: '#/components/responses/Forbidden' '503': $ref: '#/components/responses/ServiceUnavailable' components: parameters: AccountId: name: account_id in: path required: true description: The account's ID. Use the `account_id` from `GET /me`. schema: type: string format: uuid AccountSessionStatus: name: status in: query required: false description: >- `active` for sessions not yet closed, `past` for closed sessions, `all` for both. schema: type: string enum: - all - active - past default: all AccountSessionModel: name: model in: query required: false description: >- Exact, case-sensitive match on the session's model name, for example `reactor/helios`. Surrounding spaces are trimmed; an empty value means no filter. schema: type: string example: reactor/helios AccountLimit: name: limit in: query required: false description: Page size, from 1 to 200. Values outside that range return `400`. schema: type: integer minimum: 1 maximum: 200 default: 50 AccountCursor: name: cursor in: query required: false description: >- The opaque `next_cursor` from the previous page. Omit it for the first page. schema: type: string schemas: AccountSessionList: type: object required: - sessions - total - limit - offset - has_more properties: sessions: type: array items: $ref: '#/components/schemas/AccountSession' total: type: integer description: >- The number of sessions on this page. Not a count of all matching sessions. limit: type: integer description: The page size applied. offset: type: integer description: Always `0`. has_more: type: boolean description: Whether another page exists. next_cursor: type: string description: >- Pass as `cursor` to get the next page. Present exactly when `has_more` is `true`. Error: type: object required: - error properties: error: type: string description: >- A stable error code (for example `not_found`) on newer routes, or a sentence on older ones. When `message` is present, branch on `error`. message: type: string description: >- A human-readable explanation. Do not parse it; its wording may change. resource: type: string description: The type of the resource a `not_found` refers to. reason: type: string description: >- A more specific cause for `failed_precondition`, `aborted`, and some `invalid_request` errors. AccountSession: type: object required: - session_id - user_id - model - state - closed - cluster - created_at - updated_at - recording_enabled properties: session_id: type: string format: uuid user_id: type: string format: uuid description: The user who started the session. created_by_api_key_id: type: string format: uuid description: >- The API key that started the session. Absent for older sessions and sessions not started with a key. model: type: string description: The model's name, for example `reactor/helios`. state: type: string enum: - CREATED - WAITING - ACTIVE - INACTIVE - CLOSED - PENDING - SUSPENDED closed: type: boolean cluster: type: string description: >- An opaque ID for where the session ran. Empty until the session is placed. zone: type: string description: The Reactor region where the session ran. Absent when unknown. region: type: string description: >- The Reactor region that served the session, for example `us-west`. Absent when unknown. origin_country: type: string description: >- The ISO 3166-1 alpha-2 country the client connected from. Absent when unknown. environment: $ref: '#/components/schemas/AccountSessionEnvironment' revision: $ref: '#/components/schemas/AccountSessionRevision' created_at: type: string format: date-time updated_at: type: string format: date-time description: The last change. For a closed session, when it closed. recording_enabled: type: boolean description: >- `true` when the model recorded the session. A session started within the last second can still read `false`. AccountSessionEnvironment: type: object description: The environment the session targeted. properties: id: type: string format: uuid name: type: string project_id: type: string format: uuid deleted_at: type: string format: date-time description: Set when the environment was deleted after the session. AccountSessionRevision: type: object description: The environment revision that served the session. properties: number: type: integer responses: Unauthorized: description: The credential is missing, invalid, or expired. content: application/json: schema: $ref: '#/components/schemas/Error' Forbidden: description: >- The credential is valid but may not perform this action, or the resource is outside the caller's permission boundary. A resource you cannot see returns `403` whether or not it exists. content: application/json: schema: $ref: '#/components/schemas/Error' ServiceUnavailable: description: A dependency is temporarily unavailable. Retry with backoff. content: application/json: schema: $ref: '#/components/schemas/Error' securitySchemes: apiKey: type: http scheme: bearer description: >- A Reactor API key (`rk_...`), sent as `Authorization: Bearer rk_...`. Keep it on a server. ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.