curl --request POST \
  --url https://api.varg.ai/v2/ffmpeg \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "model": "rendi_ffmpeg_trim",
  "url": "https://s3.varg.ai/files/acc_x/video.mp4",
  "start": 2.5,
  "duration": 5,
  "precise": true
}
'

{
  "id": "job_a1b2c3d4e5f6",
  "status": "queued",
  "tool": "image",
  "input": {},
  "output": {
    "version": "v1",
    "outputs": [
      {
        "url": "<string>",
        "file_id": "<string>",
        "media_type": "video/mp4",
        "size_bytes": 123,
        "thumbnail_url": "<string>"
      }
    ]
  },
  "error": {},
  "progress_message": "stitching 3/8 (40%)",
  "progress": 123,
  "progress_metadata": {},
  "estimated_duration_ms": 123,
  "estimated_cost_cents": 123,
  "actual_cost_cents": 123,
  "pricing": {
    "estimated": 123,
    "actual": 123,
    "billing": "<string>",
    "cached": true,
    "billed_units": {
      "images": 1
    },
    "pricing_id": "<string>"
  },
  "provider": "fal",
  "provider_model": "fal:flux_schnell",
  "provider_status": "<string>",
  "provider_job_id": "<string>",
  "created_at": "2023-11-07T05:31:56Z",
  "started_at": "2023-11-07T05:31:56Z",
  "completed_at": "2023-11-07T05:31:56Z",
  "urls": {
    "self": "<string>",
    "status": "<string>",
    "refresh": "<string>",
    "cancel": "<string>",
    "retry": "<string>"
  }
}

{
  "id": "job_a1b2c3d4e5f6",
  "status": "queued",
  "tool": "image",
  "input": {
    "model": "flux_schnell",
    "prompt": "a cat astronaut"
  },
  "output": null,
  "error": null,
  "estimated_cost_cents": 4,
  "actual_cost_cents": null,
  "pricing": {
    "estimated": 4,
    "actual": null,
    "billing": "metered",
    "cached": null,
    "billed_units": null,
    "pricing_id": "ppr_abc123"
  },
  "provider": "fal",
  "provider_model": "fal:flux_schnell",
  "created_at": "2026-07-01T10:00:00Z",
  "urls": {
    "self": "https://api.varg.ai/v2/jobs/job_a1b2c3d4e5f6",
    "status": "https://api.varg.ai/v2/jobs/job_a1b2c3d4e5f6/status",
    "refresh": "https://api.varg.ai/v2/jobs/job_a1b2c3d4e5f6/refresh",
    "cancel": "https://api.varg.ai/v2/jobs/job_a1b2c3d4e5f6/cancel",
    "retry": "https://api.varg.ai/v2/jobs/job_a1b2c3d4e5f6/retry"
  }
}

{
  "error": {
    "code": "insufficient_balance",
    "message": "Insufficient balance to run this job"
  }
}

{
  "error": {
    "code": "model_not_found",
    "message": "Unknown model: flux-shnell"
  }
}

{
  "error": {
    "code": "invalid_request",
    "message": "Body validation failed (text: Required)"
  }
}

{
  "error": {
    "code": "model_not_found",
    "message": "Unknown model: flux-shnell",
    "details": "<unknown>"
  }
}

{
  "error": {
    "code": "model_not_found",
    "message": "Unknown model: flux-shnell",
    "details": "<unknown>"
  }
}

Generation

Run an ffmpeg operation

Media processing via ffmpeg. One endpoint, four operation modes selected by the model field:

Model	Operation	Fields
`rendi_ffmpeg`	Generic command	`command`, `input_files`, `output_files`
`rendi_ffmpeg_trim`	Trim	`url`, `start`, `end` or `duration`, `precise`
`rendi_ffmpeg_resize`	Resize	`url`, `width`/`height`, `fit`
`rendi_ffmpeg_slice`	Slice into segments	`video_url`, `every`/`at`/`count`/`ranges`, `codec`, `thumbnails`

Generic commands use placeholder references, e.g. -i {{in_1}} -t 5 {{out_1}} with input_files mapping in_1 to a URL and output_files mapping out_1 to an output filename.

POST

ffmpeg

curl --request POST \
  --url https://api.varg.ai/v2/ffmpeg \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "model": "rendi_ffmpeg_trim",
  "url": "https://s3.varg.ai/files/acc_x/video.mp4",
  "start": 2.5,
  "duration": 5,
  "precise": true
}
'

{
  "id": "job_a1b2c3d4e5f6",
  "status": "queued",
  "tool": "image",
  "input": {},
  "output": {
    "version": "v1",
    "outputs": [
      {
        "url": "<string>",
        "file_id": "<string>",
        "media_type": "video/mp4",
        "size_bytes": 123,
        "thumbnail_url": "<string>"
      }
    ]
  },
  "error": {},
  "progress_message": "stitching 3/8 (40%)",
  "progress": 123,
  "progress_metadata": {},
  "estimated_duration_ms": 123,
  "estimated_cost_cents": 123,
  "actual_cost_cents": 123,
  "pricing": {
    "estimated": 123,
    "actual": 123,
    "billing": "<string>",
    "cached": true,
    "billed_units": {
      "images": 1
    },
    "pricing_id": "<string>"
  },
  "provider": "fal",
  "provider_model": "fal:flux_schnell",
  "provider_status": "<string>",
  "provider_job_id": "<string>",
  "created_at": "2023-11-07T05:31:56Z",
  "started_at": "2023-11-07T05:31:56Z",
  "completed_at": "2023-11-07T05:31:56Z",
  "urls": {
    "self": "<string>",
    "status": "<string>",
    "refresh": "<string>",
    "cancel": "<string>",
    "retry": "<string>"
  }
}

{
  "id": "job_a1b2c3d4e5f6",
  "status": "queued",
  "tool": "image",
  "input": {
    "model": "flux_schnell",
    "prompt": "a cat astronaut"
  },
  "output": null,
  "error": null,
  "estimated_cost_cents": 4,
  "actual_cost_cents": null,
  "pricing": {
    "estimated": 4,
    "actual": null,
    "billing": "metered",
    "cached": null,
    "billed_units": null,
    "pricing_id": "ppr_abc123"
  },
  "provider": "fal",
  "provider_model": "fal:flux_schnell",
  "created_at": "2026-07-01T10:00:00Z",
  "urls": {
    "self": "https://api.varg.ai/v2/jobs/job_a1b2c3d4e5f6",
    "status": "https://api.varg.ai/v2/jobs/job_a1b2c3d4e5f6/status",
    "refresh": "https://api.varg.ai/v2/jobs/job_a1b2c3d4e5f6/refresh",
    "cancel": "https://api.varg.ai/v2/jobs/job_a1b2c3d4e5f6/cancel",
    "retry": "https://api.varg.ai/v2/jobs/job_a1b2c3d4e5f6/retry"
  }
}

{
  "error": {
    "code": "insufficient_balance",
    "message": "Insufficient balance to run this job"
  }
}

{
  "error": {
    "code": "model_not_found",
    "message": "Unknown model: flux-shnell"
  }
}

{
  "error": {
    "code": "invalid_request",
    "message": "Body validation failed (text: Required)"
  }
}

{
  "error": {
    "code": "model_not_found",
    "message": "Unknown model: flux-shnell",
    "details": "<unknown>"
  }
}

{
  "error": {
    "code": "model_not_found",
    "message": "Unknown model: flux-shnell",
    "details": "<unknown>"
  }
}

Authorizations

Authorization

string

header

required

varg API key (varg_...). Get one at app.varg.ai or run bunx vargai login. App sessions may alternatively send a Supabase JWT.

Headers

Idempotency-Key

string

Any unique string. Retrying a request with the same key returns the existing job (HTTP 200) instead of creating and charging a new one (HTTP 202).

Body

application/json

Command
Trim
Resize
Slice

model

string

required

Allowed value: "rendi_ffmpeg"

command

string

required

ffmpeg args with {{in_N}} / {{out_N}} placeholders

input_files

object

required

Show child attributes

output_files

required

Show child attributes

Response

Idempotency replay — the existing job for this Idempotency-Key (no new charge).

string

Example:

"job_a1b2c3d4e5f6"

status

enum<string>

Lifecycle is queued then submitting then running, ending in a terminal status (completed, failed, or cancelled).

Available options:

queued,

submitting,

running,

completed,

failed,

cancelled

tool

string

Example:

"image"

input

object

The request body as submitted (model, prompt, ...)

output

object | null

Canonical output envelope. Present only when the job is completed.

Show child attributes

error

object | null

progress_message

string | null

Example:

"stitching 3/8 (40%)"

progress

number | null

Fraction 0..1

progress_metadata

object | null

estimated_duration_ms

integer | null

estimated_cost_cents

integer | null

actual_cost_cents

integer | null

pricing

object

Structured pricing. 1 credit = 1 cent = $0.01.

Show child attributes

provider

string | null

Example:

"fal"

provider_model

string | null

Example:

"fal:flux_schnell"

provider_status

string | null

The provider's raw status string

provider_job_id

string | null

created_at

string<date-time>

started_at

string<date-time> | null

completed_at

string<date-time> | null

urls

object

Lifecycle URLs (present on creation responses)

Show child attributes

Overview

Presets

Generation

Tools

Jobs

Files

Pricing & Billing

Account

Run an ffmpeg operation

Authorizations

Headers

Body

Response