# Express Agent

POST https://api.you.com/v1/agents/runs
Content-Type: application/json

This endpoint answers the user’s query with an LLM. Optionally, you can ground the answer using web results (max 1 web search).

Use it for answering simple questions that require a low latency response.

The data returns as a JSON payload with a `application/json` content type
<Note>The call only returns when the agent has finished fully responding to the input question.</Note>

Reference: https://docs.you.com/custom-solutions/agents/express-agent/express-agent-runs

## OpenAPI Specification

```yaml
openapi: 3.1.0
info:
  title: express
  version: 1.0.0
paths:
  /v1/agents/runs:
    post:
      operationId: express-agent-runs
      summary: Express Agent
      description: >-
        This endpoint answers the user’s query with an LLM. Optionally, you can
        ground the answer using web results (max 1 web search).


        Use it for answering simple questions that require a low latency
        response.


        The data returns as a JSON payload with a `application/json` content
        type

        <Note>The call only returns when the agent has finished fully responding
        to the input question.</Note>
      tags:
        - ''
      parameters:
        - name: Authorization
          in: header
          description: Bearer authentication
          required: true
          schema:
            type: string
      responses:
        '200':
          description: ''
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/type_:ExpressAgentRunsBatchResponse'
        '400':
          description: The Authorization Bearer token was missing or invalid
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/type_:AgentRuns400Response'
        '422':
          description: When the request data coming in is invalid
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/type_:AgentRuns422Response'
      requestBody:
        content:
          application/json:
            schema:
              type: object
              properties:
                agent:
                  type: string
                  enum:
                    - express
                  description: >-
                    Setting this value to "express" is mandatory to use the
                    express agent.
                input:
                  type: string
                  description: The question you'd like to ask the agent
                stream:
                  type: boolean
                  enum:
                    - false
                  description: >-
                    Must be set to `true` when you want to stream the express
                    agent response as its being generated, and `false` when you
                    want the response to return after the agent has finished.
                tools:
                  type: array
                  items:
                    $ref: >-
                      #/components/schemas/type_:ExpressAgentRunsRequestToolsItem
                  description: >-
                    You can optionally ground the express agent response using
                    results fetched from the web (max 1 web search)
              required:
                - agent
                - input
                - stream
servers:
  - url: https://api.you.com
components:
  schemas:
    type_:ExpressAgentRunsRequestToolsItem:
      type: object
      properties:
        type:
          type: string
          enum:
            - web_search
          description: >-
            Setting this value to "web_search" is mandatory to use the
            web_search tool.
      required:
        - type
      title: ExpressAgentRunsRequestToolsItem
    type_:ExpressAgentRunsBatchResponseInputItemRole:
      type: string
      enum:
        - user
      description: The access based role of the user
      title: ExpressAgentRunsBatchResponseInputItemRole
    type_:ExpressAgentRunsBatchResponseInputItem:
      type: object
      properties:
        role:
          $ref: >-
            #/components/schemas/type_:ExpressAgentRunsBatchResponseInputItemRole
          description: The access based role of the user
        content:
          type: string
          description: The question populated in the request payload
      required:
        - role
        - content
      title: ExpressAgentRunsBatchResponseInputItem
    type_:ExpressAgentRunsResponseOutputType:
      type: string
      enum:
        - message.answer
        - web_search.results
      description: |-
        The type of output. This can either be:
        * `message.answer` for text responses
        * `web_search.results` for output that contains web links
      title: ExpressAgentRunsResponseOutputType
    type_:AgentRunsResponseWebSearchResult:
      type: object
      properties:
        source_type:
          type: string
          enum:
            - web_search
          description: The type of content the agent can return outside a text response
        citation_uri:
          type: string
          description: The web search result the agent returned along in its response
        provider:
          type: string
          description: This is currently unused
        title:
          type: string
          description: The title of the web site returned under url
        snippet:
          type: string
          description: A textual portion of the web site returned under url
        thumbnail_url:
          type: string
          description: The thumbnail image of the url
        url:
          type: string
          description: The web search result the agent returned along in its response
      required:
        - source_type
        - citation_uri
        - title
        - snippet
        - url
      description: >-
        The text response of the agent. This field only returns when the type is
        `web_search.results`
      title: AgentRunsResponseWebSearchResult
    type_:ExpressAgentRunsResponseOutput:
      type: object
      properties:
        text:
          type: string
          description: >-
            The text response of the agent. This field returns when `type ==
            message.answer`. The response returns as markdown formatted text.


            For an overview of Markdown syntax, see the [Basic Syntax Markdown
            Guide](https://www.markdownguide.org/basic-syntax/)
        type:
          $ref: '#/components/schemas/type_:ExpressAgentRunsResponseOutputType'
          description: |-
            The type of output. This can either be:
            * `message.answer` for text responses
            * `web_search.results` for output that contains web links
        content:
          type: array
          items:
            $ref: '#/components/schemas/type_:AgentRunsResponseWebSearchResult'
          description: |-
            The text response of the agent.
            This field returns when `type == web_search.results`
      required:
        - type
      description: The response populated by the agent.
      title: ExpressAgentRunsResponseOutput
    type_:ExpressAgentRunsBatchResponse:
      type: object
      properties:
        agent:
          type: string
          description: The id of the agent populated in the request.
        input:
          type: array
          items:
            $ref: '#/components/schemas/type_:ExpressAgentRunsBatchResponseInputItem'
          description: The users access role and question you asked the agent
        output:
          type: array
          items:
            $ref: '#/components/schemas/type_:ExpressAgentRunsResponseOutput'
          description: The agent's response items
      required:
        - agent
        - input
        - output
      description: The id of the agent populated in the request.
      title: ExpressAgentRunsBatchResponse
    type_:AgentRuns400Response:
      type: object
      properties:
        detail:
          type: string
      description: The message returned by the error
      title: AgentRuns400Response
    type_:AgentRuns422ResponseDetailItemLocItem:
      oneOf:
        - type: string
        - type: integer
      title: AgentRuns422ResponseDetailItemLocItem
    type_:AgentRuns422ResponseDetailItem:
      type: object
      properties:
        type:
          type: string
        loc:
          type: array
          items:
            $ref: '#/components/schemas/type_:AgentRuns422ResponseDetailItemLocItem'
        msg:
          type: string
        input:
          type: string
      required:
        - type
        - loc
        - msg
        - input
      title: AgentRuns422ResponseDetailItem
    type_:AgentRuns422Response:
      type: object
      properties:
        detail:
          type: array
          items:
            $ref: '#/components/schemas/type_:AgentRuns422ResponseDetailItem'
      title: AgentRuns422Response
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer

```

## SDK Code Examples

```python
# Use our official Python SDK to get the agent response
from youdotcom import You
from youdotcom.models import ExpressAgentRunsRequest, AgentRunsBatchResponse

with You("api_key") as you:
  response = you.agents.runs.create(
    request=ExpressAgentRunsRequest(
      input="What is the capital of France?",
      stream=False
    )
  )

  if isinstance(response, AgentRunsBatchResponse) and response.output:
      for output in response.output:
          if output.text:
              print(output.text)

```

```typescript
// Use our official TypeScript SDK to get an agent response
import { You } from "@youdotcom-oss/sdk";
import type { ExpressAgentRunsRequest } from "@youdotcom-oss/sdk/models";

const you = new You({ apiKeyAuth: "api_key" });

const request: ExpressAgentRunsRequest = {
  agent: "express",
  stream: false,
  input: "What is the capital of France?",
  tools: [{ type: "web_search" }]
};

const result = await you.agentsRuns(request);
console.log(result);

```

```javascript
// Use our official JavaScript SDK to get an agent response
import { You } from "@youdotcom-oss/sdk";

const you = new You({ apiKeyAuth: "api_key" });

const request = {
  agent: "express",
  stream: false,
  input: "What is the capital of France?",
  tools: [{ type: "web_search" }]
};

const result = await you.agentsRuns(request);
console.log(result);

```

```go
package main

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

func main() {

	url := "https://api.you.com/v1/agents/runs"

	payload := strings.NewReader("{\n  \"agent\": \"express\",\n  \"input\": \"What is the capital of France?\",\n  \"stream\": false\n}")

	req, _ := http.NewRequest("POST", 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))

}
```

```java
import com.mashape.unirest.http.HttpResponse;
import com.mashape.unirest.http.Unirest;

HttpResponse<String> response = Unirest.post("https://api.you.com/v1/agents/runs")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"agent\": \"express\",\n  \"input\": \"What is the capital of France?\",\n  \"stream\": false\n}")
  .asString();
```

```csharp
using RestSharp;

var client = new RestClient("https://api.you.com/v1/agents/runs");
var request = new RestRequest(Method.POST);
request.AddHeader("Authorization", "Bearer <token>");
request.AddHeader("Content-Type", "application/json");
request.AddParameter("application/json", "{\n  \"agent\": \"express\",\n  \"input\": \"What is the capital of France?\",\n  \"stream\": false\n}", ParameterType.RequestBody);
IRestResponse response = client.Execute(request);
```

```swift
import Foundation

let headers = [
  "Authorization": "Bearer <token>",
  "Content-Type": "application/json"
]
let parameters = [
  "agent": "express",
  "input": "What is the capital of France?",
  "stream": false
] as [String : Any]

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

let request = NSMutableURLRequest(url: NSURL(string: "https://api.you.com/v1/agents/runs")! as URL,
                                        cachePolicy: .useProtocolCachePolicy,
                                    timeoutInterval: 10.0)
request.httpMethod = "POST"
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()
```