# BLIP

> Salesforce BLIP (173M+ runs) — image captioning, visual question answering, and image-text matching in one model. The classic choice for bulk captioning.

- **Provider**: replicate
- **Model ID**: salesforce/blip
- **Category**: image_video_caption
- **Credits**: 1 per request
- **Pricing Type**: fixed

## API Endpoint

Base URL: https://api.core.today/v1

### Create Prediction
POST /predictions

### Get Status
GET /predictions/{job_id}

### Cancel
DELETE /predictions/{job_id}

## Authentication

Header: `X-API-Key: YOUR_API_KEY`

## Input Parameters

- `image` (string, **required**): Input image
- `caption` (string, optional): Type caption for the input image for image text matching task.
- `task` (string, optional): Choose a task. (Default: `image_captioning`; Options: `image_captioning`, `visual_question_answering`, `image_text_matching`)
- `question` (string, optional): Type question for the input image for visual question answering task.

## Example Request

```json
{
  "model": "salesforce/blip",
  "input": {
    "image": "https://replicate.delivery/mgxm/f4e50a7b-e8ca-432f-8e68-082034ebcc70/demo.jpg",
    "task": "image_captioning"
  }
}
```

## Response Format

```json
{
  "job_id": "abc123",
  "status": "pending",
  "provider": "replicate",
  "model": "black-forest-labs/flux-schnell",
  "created_at": "2026-01-01T00:00:00Z",
  "result": null,
  "error": null
}
```

Status values: `pending`, `processing`, `completed`, `failed`, `cancelled`

## Usage Flow

1. POST /predictions with model and input → receive job_id
2. Poll GET /predictions/{job_id} until status is `completed` or `failed`
3. Result contains output URL(s) or data

## Output Type

json

## Tags

image-captioning, vqa, vision, blip, salesforce, low-cost

## Documentation

https://replicate.com/salesforce/blip