API Documentation

Integrate SmartCopy AI into your own applications. Compatible with OpenAI SDK — just change the base URL.

Authentication

All API requests require an API key. Get yours from the SmartCopy extension dashboard (available to Pro and Team subscribers).

Authorization: Bearer sk_live_xxxxxxxxxxxxxxxx

Base URL

https://api.smartcopy.dev/v1

Endpoints

POST /rewrite

Rewrite text with improved clarity and impact.

Parameter	Type	Description
text	string	The text to rewrite (max 10,000 chars)

curl -X POST https://api.smartcopy.dev/v1/rewrite \
  -H "Authorization: Bearer sk_live_xxx" \
  -H "Content-Type: application/json" \
  -d '{"text":"This product is very good and helps you sleep."}'

{
  "success": true,
  "result": "Experience restful sleep with this premium solution...",
  "usage": { "input_tokens": 25, "output_tokens": 42 },
  "quota_remaining": 458
}

POST /translate

Translate text between Chinese and English with localization.

Parameter	Type	Description
text	string	The text to translate

POST /summarize

Extract key points from long text.

POST /expand

Expand keywords or short descriptions into full copy.

POST /seo

Add SEO keywords to optimize text for search engines.

GET /usage

Get API usage statistics for the authenticated key.

Error Codes

Status	Code	Description
400	-	Missing or invalid parameters
401	-	Invalid or missing API key
429	QUOTA_EXCEEDED	Monthly quota limit reached
500	-	Internal server error
503	-	AI service temporarily unavailable

Rate Limits

Free: 300 calls/month (10/day). Pro: 5,000 calls/month. Team: 50,000 calls/month. Contact us for enterprise plans.

Ready to build? Upgrade to Pro to get your API key.