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Cloudinary API

by Cloudinary Free tier

Cloudinary is a media management platform that handles the entire media pipeline. Upload images and videos, apply on-the-fly transformations via URL parameters (resize, crop, watermark, format convert, quality optimize), organize with tags and folders, and deliver via global CDN.

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Quick Reference

Base URL https://api.cloudinary.com/v1_1/{cloud_name} Auth type Basic Auth Auth header Authorization: Basic base64(api_key:api_secret) Rate limit 500 requests/hour (free) Pricing Pay per use Free quota 25 credits/month (≈25GB storage, 25GB bandwidth) Documentation https://cloudinary.com/documentation/image_upload_api_reference Endpoint status Server online — HTTP 404 — server is online but path returned an error (may require auth)973ms (checked Mar 29, 2026) Builder score B 65% builder-friendly
Pricing
75
Latency
38
Depth
78

Authentication

Use API Key and API Secret as Basic Auth credentials. Signed uploads use HMAC-SHA1.

Authorization: Basic base64(api_key:api_secret)

Pricing

Model pay-as-you-go Starting price Pay per use Free quota 25 credits/month (≈25GB storage, 25GB bandwidth)

Free: 25 credits/mo. Plus: $89/mo for 225 credits. Advanced: $224/mo. 1 credit ≈ 1GB storage or bandwidth or 1,000 transformations.

Key Endpoints

MethodPathDescription
POST /{resource_type}/upload Upload a file
GET /{resource_type}/list/{next_cursor} List resources in a folder
GET /resources/{resource_type}/{public_id} Get metadata for a resource
POST /{resource_type}/destroy Delete a resource
POST /resources/{resource_type}/tags Add or remove tags

Sample Request

curl https://api.cloudinary.com/v1_1/$CLOUD_NAME/image/upload \
  -u "$CLOUDINARY_API_KEY:$CLOUDINARY_API_SECRET" \
  -F "file=@/path/to/image.jpg" \
  -F "folder=products" \
  -F "public_id=product-001"

Sample Response

{
  "asset_id": "b5e6d2b39ba3e0869d67141ba7dba6cf",
  "public_id": "products/product-001",
  "format": "jpg",
  "width": 1920,
  "height": 1080,
  "bytes": 482604,
  "secure_url": "https://res.cloudinary.com/demo/image/upload/products/product-001.jpg",
  "created_at": "2024-01-18T12:00:00Z"
}

Data sourced from API Map. Always verify pricing and rate limits against the official Cloudinary documentation.