> ## Documentation Index
> Fetch the complete documentation index at: https://docs.fastino.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Get training-job billing

> Retrieve the billing outcome for a Fastino training job.

`GET /v1/training-jobs/{job_id}/billing`

Returns whether a job was billed and, when available, the charge and GPU duration.

## Request

<ParamField header="X-API-Key" type="string" required>
  Your Fastino API key.
</ParamField>

<ParamField path="job_id" type="string" required>
  Training-job UUID.
</ParamField>

<RequestExample>
  ```bash cURL theme={null}
  curl https://api.fastino.ai/v1/training-jobs/YOUR_TRAINING_JOB_ID/billing \
    -H "X-API-Key: $FASTINO_API_KEY"
  ```
</RequestExample>

## Response

<ResponseField name="job_id" type="string">
  Training-job UUID.
</ResponseField>

<ResponseField name="status" type="string">
  Current persisted job status.
</ResponseField>

<ResponseField name="started_at" type="string | null">
  Time the job was dispatched.
</ResponseField>

<ResponseField name="compute_started_at" type="string | null">
  Time the training container began executing.
</ResponseField>

<ResponseField name="completed_at" type="string | null">
  Time the job completed.
</ResponseField>

<ResponseField name="billed" type="boolean">
  Whether a billing record exists.
</ResponseField>

<ResponseField name="request_id" type="string | null">
  Associated billing-request ID.
</ResponseField>

<ResponseField name="charged_usd" type="string | null">
  USD amount charged, represented as a decimal string.
</ResponseField>

<ResponseField name="gpu_minutes" type="string | null">
  Billed GPU minutes, represented as a decimal string.
</ResponseField>

<ResponseField name="billed_at" type="string | null">
  Time the billing record was created.
</ResponseField>

<ResponseExample>
  ```json Response theme={null}
  {
    "job_id": "YOUR_TRAINING_JOB_ID",
    "status": "complete",
    "started_at": "2026-09-22T20:00:00Z",
    "compute_started_at": "2026-09-22T20:01:00Z",
    "completed_at": "2026-09-22T20:31:00Z",
    "billed": true,
    "request_id": "REQUEST_ID",
    "charged_usd": "3.25",
    "gpu_minutes": "30.0",
    "billed_at": "2026-09-22T20:32:00Z"
  }
  ```
</ResponseExample>

An unknown or inaccessible job returns `404`.
