docs: added the docs

docs/api_endpoints.md

@@ -89,4 +89,76 @@ curl -X POST http://localhost:8000/verify-image/analyse \
 ```
 
 
+### Image-Detector
 
+| Endpoint         | Method | Description     |
+| ---------------- | ------ | --------------- |
+| `/detect/ela`    | POST   | Detect ELA      |
+| `/detect/fft`    | POST   | Detect FFT      |
+| `/detect/meta`   | POST   | Detect Metadata |
+
+#### Example for ela
+``````bash
+curl -X POST http://localhost:8000/detect/ela \
+  -H "Authorization: Bearer <SECRET_TOKEN>" \
+  -F 'file=@test1.png'
+```
+Result 
+```bash 
+{
+  "is_edited": true,
+  "ela_score": true
+}
+```
+
+#### Example for fft
+``````bash
+curl -X 'POST' \ 
+  'https://can-org-ai-checker.hf.space/detect/ela?quality=90' \
+  -H "Authorization: Bearer <SECRET_TOKEN>" \
+  -F 'file=@test1.png'
+```
+Result 
+```bash 
+{
+  "is_edited": true,
+  "ela_score": true
+}
+```
+
+#### Example for ela
+```bash
+curl -X 'POST' \
+  'https://can-org-ai-checker.hf.space/detect/fft?threshold=0.95' \
+  -H 'accept: application/json' \
+  -H 'Authorization: Bearer <Token>' \
+  -H 'Content-Type: multipart/form-data' \
+  -F 'file=@test.png;type=image/png'```
+```
+Result 
+```bash 
+{
+  "edited": false
+}
+```
+
+#### Example for meta
+```bash
+curl -X 'POST' \
+  'https://can-org-ai-checker.hf.space/detect/meta' \
+  -H 'accept: application/json' \
+  -H 'Authorization: Bearer <Token>' \
+  -H 'Content-Type: multipart/form-data' \
+  -F 'file=@testpng;type=image/png'
+
+```
+
+Result:
+```bash
+{
+  "source": "ai_generated"
+}
+```
+
+
+> The implementation note is also provided in docs/detector/note-for-backend.md