> ## Documentation Index > Fetch the complete documentation index at: https://docs.surfsky.io/llms.txt > Use this file to discover all available pages before exploring further. # Get balance > Read what the account can spend. available is the plan, voucher and purchased balances less the cost of sessions still running; at zero or below, requests that cost money answer 402 insufficient_balance: every start and scrape on an on-demand plan, premium proxy starts, scrapes and captcha solving in a new session on a reserved plan. Money is in USD as decimal strings. See [statistics](/api-reference#statistics). ## OpenAPI ````yaml /api-reference/openapi.json get /billing/balance openapi: 3.1.0 info: title: Surfsky API version: 0.1.0 description: >- Start cloud browsers, control them through CDP, and manage the profiles, proxies, and fingerprints they run with. servers: - url: '{baseUrl}' variables: baseUrl: default: https://YOUR_API_HOST description: API base URL from your Surfsky dashboard, including https://. security: - ApiToken: [] tags: - name: scrape description: >- Fetch one page through a browser that is already running: a residential proxy and a desktop fingerprint, nothing kept between requests. - name: profiles description: >- Start, stop, and manage browsers. A one-time profile is discarded when it stops; a persistent profile keeps its cookies, storage, and fingerprint according to its storage settings. - name: proxies description: >- Look up available proxy locations and check traffic quotas for the premium and shared pools. - name: fingerprints description: >- Look up accepted renderer, screen, and device model values before configuring a fingerprint. - name: extensions description: Upload Chrome extensions once and load them into any browser you start. - name: billing description: >- Read the balance, the receipt of every session and scrape, usage over time windows and the ledger of charges and top-ups. - name: site-reports description: Tell the Surfsky team about a website that keeps blocking your browsers. paths: /billing/balance: get: tags: - billing summary: Get balance description: >- Read what the account can spend. available is the plan, voucher and purchased balances less the cost of sessions still running; at zero or below, requests that cost money answer 402 insufficient_balance: every start and scrape on an on-demand plan, premium proxy starts, scrapes and captcha solving in a new session on a reserved plan. Money is in USD as decimal strings. See [statistics](/api-reference#statistics). operationId: billing_balance_billing_balance_get responses: '200': description: Successful response content: application/json: schema: $ref: '#/components/schemas/Balance' '401': description: Missing or invalid API token content: application/json: schema: $ref: '#/components/schemas/ApiError' '403': description: Account or feature access denied content: application/json: schema: $ref: '#/components/schemas/ApiError' '422': description: Request validation failed content: application/json: schema: $ref: '#/components/schemas/ApiError' components: schemas: Balance: type: object properties: success: type: boolean msg: type: string data: type: object properties: on_demand: type: boolean description: >- True when browser time is paid from the balance. False on a reserved plan: the monthly fee covers browser time and the balance pays premium traffic and captcha solves. plan: type: string description: Plan name. plan_balance: type: string description: >- Credit granted with each paid period of an on-demand plan; spent first. voucher_balance: type: string description: >- Promotional credit, spent after plan credit; "0" once voucher_expires_at has passed. purchased_balance: type: string description: Money from top-ups and refunds, spent last. unbilled: type: string description: Browser time of running sessions not yet charged. available: type: string description: >- The three balances less unbilled. At zero or below, requests that cost money answer 402 insufficient_balance. monthly_credit: type: string description: >- The plan's monthly fee; on an on-demand plan each paid period grants it as plan_balance. voucher_expires_at: type: - integer - 'null' description: Unix timestamp in seconds; null without a voucher. subscription: type: - object - 'null' properties: status: type: string description: Status as Stripe reports it, such as active or past_due. cancel_at_period_end: type: boolean current_period_end: type: - integer - 'null' description: Unix timestamp in seconds. pending_plan: type: - string - 'null' description: >- Plan the subscription switches to at the period end; payg when cancelling. required: - status - cancel_at_period_end - current_period_end - pending_plan description: >- The Stripe subscription as Surfsky last saw it; null without one. prices: type: object properties: browser_hour: type: string description: Price of a browser hour; "0" on a reserved plan. proxy_gb: type: string description: Price of a GB of premium proxy traffic. required: - browser_hour - proxy_gb auto_recharge: type: object properties: enabled: type: boolean threshold: type: - string - 'null' description: available below which the saved card is charged, in USD. amount: type: - string - 'null' description: USD charged per recharge. required: - enabled - threshold - amount required: - on_demand - plan - plan_balance - voucher_balance - purchased_balance - unbilled - available - monthly_credit - voucher_expires_at - subscription - prices - auto_recharge required: - success - data ApiError: type: object properties: success: type: boolean const: false msg: type: string code: type: string data: {} detail: {} error: {} description: >- Error fields vary for forwarded responses. Check HTTP status and code when present. securitySchemes: ApiToken: type: apiKey in: header name: X-Cloud-Api-Token description: API token from your dashboard. ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.