SEO and competitive analysis platform for keyword research and site audits.
## Capabilities
| Integration | Available | Notes |
|-------------|-----------|-------|
| API | ✓ | Analytics API, Projects API |
| MCP | - | Not available |
| CLI | - | Not available |
| SDK | - | API-only |
## Authentication
- **Type**: API Key
- **Parameter**: `key={api_key}` in query string
- **Get key**: My Profile > API in SEMrush dashboard
## Common Agent Operations
### Domain overview
```bash
GET https://api.semrush.com/?type=domain_ranks&key={api_key}&export_columns=Db,Dn,Rk,Or,Ot,Oc,Ad,At,Ac&domain=example.com
```
### Organic keywords
```bash
GET https://api.semrush.com/?type=domain_organic&key={api_key}&export_columns=Ph,Po,Pp,Pd,Nq,Cp,Ur,Tr,Tc,Co,Nr&domain=example.com&database=us&display_limit=100
```
### Keyword overview
```bash
GET https://api.semrush.com/?type=phrase_all&key={api_key}&export_columns=Ph,Nq,Cp,Co,Nr&phrase=keyword&database=us
```
### Related keywords
```bash
GET https://api.semrush.com/?type=phrase_related&key={api_key}&export_columns=Ph,Nq,Cp,Co,Nr,Td&phrase=keyword&database=us&display_limit=50
```
### Keyword difficulty
```bash
GET https://api.semrush.com/?type=phrase_kdi&key={api_key}&export_columns=Ph,Kd&phrase=keyword&database=us
```
### Backlinks overview
```bash
GET https://api.semrush.com/?type=backlinks_overview&key={api_key}&target=example.com&target_type=root_domain
```
### Backlinks list
```bash
GET https://api.semrush.com/?type=backlinks&key={api_key}&target=example.com&target_type=root_domain&export_columns=source_url,source_title,target_url,anchor&display_limit=100
```
### Competitors
```bash
GET https://api.semrush.com/?type=domain_organic_organic&key={api_key}&export_columns=Dn,Cr,Np,Or,Ot,Oc,Ad&domain=example.com&database=us&display_limit=20
```
## Response Format
Responses are CSV by default. Add `&export_escape=1` for proper escaping.
## Export Columns
### Domain Report
-`Db` - Database
-`Dn` - Domain
-`Rk` - Rank
-`Or` - Organic keywords
-`Ot` - Organic traffic
-`Oc` - Organic cost
### Keyword Report
-`Ph` - Phrase/keyword
-`Nq` - Search volume
-`Cp` - CPC
-`Co` - Competition
-`Kd` - Keyword difficulty
-`Nr` - Number of results
### Backlinks
-`source_url` - Linking page
-`target_url` - Target page
-`anchor` - Anchor text
-`source_title` - Page title
## Databases
Use country code: `us`, `uk`, `de`, `fr`, `ca`, `au`, etc.
