Image Caption POST

https://api.apiverve.com/v1/imagecaption

Image Caption is an AI-powered tool that generates descriptive captions for images. Simply upload an image and receive a natural language description of its contents.

Try it — live request, no key required

Request

POSTapi.apiverve.com/v1/imagecaption

image

Click or drag a file to upload.jpg, .jpeg, .png, .gif · max 400KB for live testing

Verification

Format

No key required to try it. Get a key to use it in your app.

200 OK

{
  "status": "ok",
  "error": null,
  "data": {
    // Image Caption response payload
  }
}

Code examples — ready to paste, with real parameters

curl -X POST "https://api.apiverve.com/v1/imagecaption" \
  -H "x-api-key: YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{}'

Replace YOUR_API_KEY with your key.Full reference in the docs →

Related in AI/Computer Vision

Sentiment Analysis/v1/sentimentanalysis940 ms→

Image to Text/v1/imagetotext3477 ms→

Language Detector/v1/languagedetector1508 ms→

Code Detector/v1/codedetector233 ms→

Access methods

Call it however you build.

One endpoint, many ways in — REST with JSON, XML, YAML, and CSV, plus GraphQL and an MCP interface for AI agents.

JSON

Default REST response

XML

Markup format

YAML

Human-readable

CSV

Tabular export

Beta

GraphQL

Query language

New

MCP

For AI agents

View all integrations →

Zero-code embed

Drop it into any site.

Add an interactive form for Image Caption with a single snippet — no backend, no keys in your markup.

Live preview Demo

LayoutTheme

Loading preview…

Get embed code →Read the docs

Questions.

Common questions about the Image Caption API.

Read the docs →

What does the Image Caption API do?

Image Caption is an AI-powered tool that generates descriptive captions for images. Simply upload an image and receive a natural language description of its contents.

How do I authenticate Image Caption API requests?

Pass your API key in the x-api-key header over HTTPS. One key works across all 300+ APIVerve APIs — there are no per-endpoint credentials.

How much does the Image Caption API cost?

Each call spends 10 credits from your shared pool. The free tier includes 100 credits every month, and paid plans add more headroom.

How fast is the Image Caption API?

Typical responses return in around 1681 ms (p50), served from 24 regions under a 99.9% uptime SLA.

What response formats does the Image Caption API support?

JSON by default, plus XML and YAML via the format parameter. GraphQL and an MCP interface for AI agents are available across the catalog.

What HTTP method does the Image Caption API use?

POST over HTTPS, following standard REST conventions with a consistent { status, error, data } response envelope.