> For a complete page index, fetch https://docs.synthflow.ai/llms.txt. For full documentation content, fetch https://docs.synthflow.ai/llms-full.txt.

# Update a knowledge base source

PUT https://api.synthflow.ai/v2/knowledge_base/{knowledge_base_id}/sources/{source_id}
Content-Type: application/json

Update an existing knowledge base source by source ID. The updatable fields depend on the existing source type:

- `link` / `file`: `url`
- `text`: `content`

You can always update `name`.


Reference: https://docs.synthflow.ai/api-reference/platform-api/knowledge-bases/update-knowledge-base-source

## Authentication

- `Authorization` header (bearer token, required) — Bearer authentication of the form `Bearer <token>`, where token is your auth token.

## Servers

- `https://api.synthflow.ai/v2` (Global, default)
- `https://api.us.synthflow.ai/v2` (United States)
- `https://api.eu.synthflow.ai/v2` (European Union)

## Request

### Path parameters

- `knowledge_base_id` (string, required) — Knowledge base ID.
- `source_id` (string, required) — Source ID.

### Body (application/json)

This endpoint expects an update-knowledge-base-source_Request.

- `update-knowledge-base-source_Request`

## Response

### 200

200

- `status` (string, optional)
- `response` (KnowledgeBaseKnowledgeBaseIdSourcesSourceIdPutResponsesContentApplicationJsonSchemaResponse, optional)

## Errors

### 400 Bad Request Error

400

## Types

### UpdateLinkSourcePayload

- `url` (string, required) — Updated URL for `link` sources.
- `name` (string, optional) — Updated source name.

### UpdateFileSourcePayload

- `url` (string, required) — Updated URL for `file` sources.
- `name` (string, optional) — Updated source name.

### UpdateTextSourcePayload

- `content` (string, required) — Updated text body for `text` sources.
- `name` (string, optional) — Updated source name.

### KnowledgeBaseKnowledgeBaseIdSourcesSourceIdPutResponsesContentApplicationJsonSchemaResponse

- `source_id` (string, optional) — Source ID.

## Examples

### Update Link Source

**Request**

```json
{
  "name": "Updated Help Center Link",
  "url": "https://example.com/help-center"
}
```

**Response**

```json
{
  "status": "ok",
  "response": {
    "source_id": "1739253053024x397207388602947463"
  }
}
```

**SDK Code**

```python Update Link Source
import requests

url = "https://api.synthflow.ai/v2/knowledge_base/1739253053024x397207388602947460/sources/1739253053024x397207388602947463"

payload = {
    "name": "Updated Help Center Link",
    "url": "https://example.com/help-center"
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

response = requests.put(url, json=payload, headers=headers)

print(response.json())
```

```go Update Link Source
package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://api.synthflow.ai/v2/knowledge_base/1739253053024x397207388602947460/sources/1739253053024x397207388602947463"

	payload := strings.NewReader("{\n  \"name\": \"Updated Help Center Link\",\n  \"url\": \"https://example.com/help-center\"\n}")

	req, _ := http.NewRequest("PUT", url, payload)

	req.Header.Add("Authorization", "Bearer <token>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(res)
	fmt.Println(string(body))

}
```

```ruby Update Link Source
require 'uri'
require 'net/http'

url = URI("https://api.synthflow.ai/v2/knowledge_base/1739253053024x397207388602947460/sources/1739253053024x397207388602947463")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Put.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"name\": \"Updated Help Center Link\",\n  \"url\": \"https://example.com/help-center\"\n}"

response = http.request(request)
puts response.read_body
```

```java Update Link Source
import com.mashape.unirest.http.HttpResponse;
import com.mashape.unirest.http.Unirest;

HttpResponse<String> response = Unirest.put("https://api.synthflow.ai/v2/knowledge_base/1739253053024x397207388602947460/sources/1739253053024x397207388602947463")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"name\": \"Updated Help Center Link\",\n  \"url\": \"https://example.com/help-center\"\n}")
  .asString();
```

```csharp Update Link Source
using RestSharp;

var client = new RestClient("https://api.synthflow.ai/v2/knowledge_base/1739253053024x397207388602947460/sources/1739253053024x397207388602947463");
var request = new RestRequest(Method.PUT);
request.AddHeader("Authorization", "Bearer <token>");
request.AddHeader("Content-Type", "application/json");
request.AddParameter("application/json", "{\n  \"name\": \"Updated Help Center Link\",\n  \"url\": \"https://example.com/help-center\"\n}", ParameterType.RequestBody);
IRestResponse response = client.Execute(request);
```

```swift Update Link Source
import Foundation

let headers = [
  "Authorization": "Bearer <token>",
  "Content-Type": "application/json"
]
let parameters = [
  "name": "Updated Help Center Link",
  "url": "https://example.com/help-center"
] as [String : Any]

let postData = JSONSerialization.data(withJSONObject: parameters, options: [])

let request = NSMutableURLRequest(url: NSURL(string: "https://api.synthflow.ai/v2/knowledge_base/1739253053024x397207388602947460/sources/1739253053024x397207388602947463")! as URL,
                                        cachePolicy: .useProtocolCachePolicy,
                                    timeoutInterval: 10.0)
request.httpMethod = "PUT"
request.allHTTPHeaderFields = headers
request.httpBody = postData as Data

let session = URLSession.shared
let dataTask = session.dataTask(with: request as URLRequest, completionHandler: { (data, response, error) -> Void in
  if (error != nil) {
    print(error as Any)
  } else {
    let httpResponse = response as? HTTPURLResponse
    print(httpResponse)
  }
})

dataTask.resume()
```

### Update File Source

**Request**

```json
{
  "name": "Updated Product PDF",
  "url": "https://example.com/documents/product-guide-v2.pdf"
}
```

**Response**

```json
{
  "status": "ok",
  "response": {
    "source_id": "1739253053024x397207388602947461"
  }
}
```

**SDK Code**

```python Update File Source
import requests

url = "https://api.synthflow.ai/v2/knowledge_base/1739253053024x397207388602947460/sources/1739253053024x397207388602947461"

payload = {
    "name": "Updated Product PDF",
    "url": "https://example.com/documents/product-guide-v2.pdf"
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

response = requests.put(url, json=payload, headers=headers)

print(response.json())
```

```go Update File Source
package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://api.synthflow.ai/v2/knowledge_base/1739253053024x397207388602947460/sources/1739253053024x397207388602947461"

	payload := strings.NewReader("{\n  \"name\": \"Updated Product PDF\",\n  \"url\": \"https://example.com/documents/product-guide-v2.pdf\"\n}")

	req, _ := http.NewRequest("PUT", url, payload)

	req.Header.Add("Authorization", "Bearer <token>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(res)
	fmt.Println(string(body))

}
```

```ruby Update File Source
require 'uri'
require 'net/http'

url = URI("https://api.synthflow.ai/v2/knowledge_base/1739253053024x397207388602947460/sources/1739253053024x397207388602947461")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Put.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"name\": \"Updated Product PDF\",\n  \"url\": \"https://example.com/documents/product-guide-v2.pdf\"\n}"

response = http.request(request)
puts response.read_body
```

```java Update File Source
import com.mashape.unirest.http.HttpResponse;
import com.mashape.unirest.http.Unirest;

HttpResponse<String> response = Unirest.put("https://api.synthflow.ai/v2/knowledge_base/1739253053024x397207388602947460/sources/1739253053024x397207388602947461")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"name\": \"Updated Product PDF\",\n  \"url\": \"https://example.com/documents/product-guide-v2.pdf\"\n}")
  .asString();
```

```csharp Update File Source
using RestSharp;

var client = new RestClient("https://api.synthflow.ai/v2/knowledge_base/1739253053024x397207388602947460/sources/1739253053024x397207388602947461");
var request = new RestRequest(Method.PUT);
request.AddHeader("Authorization", "Bearer <token>");
request.AddHeader("Content-Type", "application/json");
request.AddParameter("application/json", "{\n  \"name\": \"Updated Product PDF\",\n  \"url\": \"https://example.com/documents/product-guide-v2.pdf\"\n}", ParameterType.RequestBody);
IRestResponse response = client.Execute(request);
```

```swift Update File Source
import Foundation

let headers = [
  "Authorization": "Bearer <token>",
  "Content-Type": "application/json"
]
let parameters = [
  "name": "Updated Product PDF",
  "url": "https://example.com/documents/product-guide-v2.pdf"
] as [String : Any]

let postData = JSONSerialization.data(withJSONObject: parameters, options: [])

let request = NSMutableURLRequest(url: NSURL(string: "https://api.synthflow.ai/v2/knowledge_base/1739253053024x397207388602947460/sources/1739253053024x397207388602947461")! as URL,
                                        cachePolicy: .useProtocolCachePolicy,
                                    timeoutInterval: 10.0)
request.httpMethod = "PUT"
request.allHTTPHeaderFields = headers
request.httpBody = postData as Data

let session = URLSession.shared
let dataTask = session.dataTask(with: request as URLRequest, completionHandler: { (data, response, error) -> Void in
  if (error != nil) {
    print(error as Any)
  } else {
    let httpResponse = response as? HTTPURLResponse
    print(httpResponse)
  }
})

dataTask.resume()
```

### Update Text Source

**Request**

```json
{
  "content": "Updated full text content for this source.",
  "name": "Updated Custom Knowledge"
}
```

**Response**

```json
{
  "status": "ok",
  "response": {
    "source_id": "1739253053024x397207388602947462"
  }
}
```

**SDK Code**

```python Update Text Source
import requests

url = "https://api.synthflow.ai/v2/knowledge_base/1739253053024x397207388602947460/sources/1739253053024x397207388602947462"

payload = {
    "content": "Updated full text content for this source.",
    "name": "Updated Custom Knowledge"
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

response = requests.put(url, json=payload, headers=headers)

print(response.json())
```

```go Update Text Source
package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://api.synthflow.ai/v2/knowledge_base/1739253053024x397207388602947460/sources/1739253053024x397207388602947462"

	payload := strings.NewReader("{\n  \"content\": \"Updated full text content for this source.\",\n  \"name\": \"Updated Custom Knowledge\"\n}")

	req, _ := http.NewRequest("PUT", url, payload)

	req.Header.Add("Authorization", "Bearer <token>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(res)
	fmt.Println(string(body))

}
```

```ruby Update Text Source
require 'uri'
require 'net/http'

url = URI("https://api.synthflow.ai/v2/knowledge_base/1739253053024x397207388602947460/sources/1739253053024x397207388602947462")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Put.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"content\": \"Updated full text content for this source.\",\n  \"name\": \"Updated Custom Knowledge\"\n}"

response = http.request(request)
puts response.read_body
```

```java Update Text Source
import com.mashape.unirest.http.HttpResponse;
import com.mashape.unirest.http.Unirest;

HttpResponse<String> response = Unirest.put("https://api.synthflow.ai/v2/knowledge_base/1739253053024x397207388602947460/sources/1739253053024x397207388602947462")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"content\": \"Updated full text content for this source.\",\n  \"name\": \"Updated Custom Knowledge\"\n}")
  .asString();
```

```csharp Update Text Source
using RestSharp;

var client = new RestClient("https://api.synthflow.ai/v2/knowledge_base/1739253053024x397207388602947460/sources/1739253053024x397207388602947462");
var request = new RestRequest(Method.PUT);
request.AddHeader("Authorization", "Bearer <token>");
request.AddHeader("Content-Type", "application/json");
request.AddParameter("application/json", "{\n  \"content\": \"Updated full text content for this source.\",\n  \"name\": \"Updated Custom Knowledge\"\n}", ParameterType.RequestBody);
IRestResponse response = client.Execute(request);
```

```swift Update Text Source
import Foundation

let headers = [
  "Authorization": "Bearer <token>",
  "Content-Type": "application/json"
]
let parameters = [
  "content": "Updated full text content for this source.",
  "name": "Updated Custom Knowledge"
] as [String : Any]

let postData = JSONSerialization.data(withJSONObject: parameters, options: [])

let request = NSMutableURLRequest(url: NSURL(string: "https://api.synthflow.ai/v2/knowledge_base/1739253053024x397207388602947460/sources/1739253053024x397207388602947462")! as URL,
                                        cachePolicy: .useProtocolCachePolicy,
                                    timeoutInterval: 10.0)
request.httpMethod = "PUT"
request.allHTTPHeaderFields = headers
request.httpBody = postData as Data

let session = URLSession.shared
let dataTask = session.dataTask(with: request as URLRequest, completionHandler: { (data, response, error) -> Void in
  if (error != nil) {
    print(error as Any)
  } else {
    let httpResponse = response as? HTTPURLResponse
    print(httpResponse)
  }
})

dataTask.resume()
```