> 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

## OpenAPI Specification

```yaml
openapi: 3.1.0
info:
  title: Synthflow APIs
  version: 1.0.0
paths:
  /knowledge_base/{knowledge_base_id}/sources/{source_id}:
    put:
      operationId: update-knowledge-base-source
      summary: Update a knowledge base source
      description: >
        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`.
      tags:
        - ''
      parameters:
        - name: knowledge_base_id
          in: path
          required: true
          schema:
            $ref: '#/components/schemas/knowledge_base_id'
        - name: source_id
          in: path
          description: Source ID.
          required: true
          schema:
            type: string
        - name: Authorization
          in: header
          description: Bearer authentication
          required: true
          schema:
            type: string
      responses:
        '200':
          description: '200'
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/update-knowledge-base-source_Response_200'
        '400':
          description: '400'
          content:
            application/json:
              schema:
                $ref: >-
                  #/components/schemas/Update-knowledge-base-sourceRequestBadRequestError
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/update-knowledge-base-source_Request'
servers:
  - url: https://api.synthflow.ai/v2
  - url: https://api.us.synthflow.ai/v2
  - url: https://api.eu.synthflow.ai/v2
components:
  schemas:
    knowledge_base_id:
      type: string
      description: Knowledge base ID.
      title: knowledge_base_id
    UpdateKnowledgeBaseSourceRequest0:
      type: object
      properties:
        name:
          type: string
          description: Updated source name.
        url:
          type: string
          description: Updated URL for `link` sources.
      required:
        - url
      title: UpdateKnowledgeBaseSourceRequest0
    UpdateKnowledgeBaseSourceRequest1:
      type: object
      properties:
        name:
          type: string
          description: Updated source name.
        url:
          type: string
          description: Updated URL for `file` sources.
      required:
        - url
      title: UpdateKnowledgeBaseSourceRequest1
    UpdateKnowledgeBaseSourceRequest2:
      type: object
      properties:
        name:
          type: string
          description: Updated source name.
        content:
          type: string
          description: Updated text body for `text` sources.
      required:
        - content
      title: UpdateKnowledgeBaseSourceRequest2
    update-knowledge-base-source_Request:
      oneOf:
        - $ref: '#/components/schemas/UpdateKnowledgeBaseSourceRequest0'
        - $ref: '#/components/schemas/UpdateKnowledgeBaseSourceRequest1'
        - $ref: '#/components/schemas/UpdateKnowledgeBaseSourceRequest2'
      title: update-knowledge-base-source_Request
    KnowledgeBaseKnowledgeBaseIdSourcesSourceIdPutResponsesContentApplicationJsonSchemaResponse:
      type: object
      properties:
        source_id:
          type: string
          description: Source ID.
      title: >-
        KnowledgeBaseKnowledgeBaseIdSourcesSourceIdPutResponsesContentApplicationJsonSchemaResponse
    update-knowledge-base-source_Response_200:
      type: object
      properties:
        status:
          type: string
        response:
          $ref: >-
            #/components/schemas/KnowledgeBaseKnowledgeBaseIdSourcesSourceIdPutResponsesContentApplicationJsonSchemaResponse
      title: update-knowledge-base-source_Response_200
    Update-knowledge-base-sourceRequestBadRequestError:
      type: object
      properties: {}
      title: Update-knowledge-base-sourceRequestBadRequestError
  securitySchemes:
    sec0:
      type: http
      scheme: bearer

```

## SDK Code Examples

```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()
```

```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()
```

```python Update Text Source
import requests

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

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