Synchronous API

import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;
import java.util.HashMap;
import java.util.Map;
import java.util.List;
import java.util.Arrays;
import com.alibaba.dashscope.utils.JsonUtils;

public final class Main {
    public static void main(String[] args) {
        // Get the API key from an environment variable. If not configured, replace it with your API key.
        // If you use a model in the China (Beijing) region, you must use an API key from that region. Get one at: https://modelstudio.console.alibabacloud.com/?tab=model#/api-key
        String apiKey = System.getenv("DASHSCOPE_API_KEY");
        if (apiKey == null) {
            System.out.println("DASHSCOPE_API_KEY not found in environment variables");
            return;
        }
        // This is the Singapore region URL. Replace {WorkspaceId} with your actual workspace ID. URLs differ by region.
        String baseUrl = "https://{WorkspaceId}.ap-southeast-1.maas.aliyuncs.com/compatible-mode/v1/embeddings";
        HttpClient client = HttpClient.newHttpClient();
        Map<String, Object> requestBody = new HashMap<>();
        requestBody.put("model", "qwen3.7-text-embedding");
        List<String> inputList = Arrays.asList("The wind is strong, the sky is high, and the apes cry mournfully.", "The islet is clear, the sand is white, and the birds fly back.", "The boundless forest sheds its leaves shower by shower.", "The endless river rolls on wave after wave.");
        requestBody.put("input", inputList);
        requestBody.put("encoding_format", "float");

        try {
            // Convert the request body to a JSON string.
            String requestBodyString = JsonUtils.toJson(requestBody);

            // Build the HTTP request.
            HttpRequest request = HttpRequest.newBuilder()
                    .uri(URI.create(baseUrl))
                    .header("Content-Type", "application/json")
                    .header("Authorization", "Bearer " + apiKey)
                    .POST(HttpRequest.BodyPublishers.ofString(requestBodyString))
                    .build();

            // Send the request and receive the response.
            HttpResponse<String> response = client.send(request, HttpResponse.BodyHandlers.ofString());
            if (response.statusCode() == 200) {
                System.out.println("Response: " + response.body());
            } else {
                System.out.printf("Failed to retrieve response, status code: %d, response: %s%n", response.statusCode(), response.body());
            }
        } catch (Exception e) {
            // Catch and print the exception.
            System.err.println("Error: " + e.getMessage());
        }
    }
}

import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;
import java.util.HashMap;
import java.util.Map;
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import com.alibaba.dashscope.utils.JsonUtils;

public class Main {
    public static void main(String[] args) {
        // Get the API key from an environment variable. If not configured, replace it with your API key.
        // If you use a model in the China (Beijing) region, you must use an API key from that region. Get one at: https://modelstudio.console.alibabacloud.com/?tab=model#/api-key
        String apiKey = System.getenv("DASHSCOPE_API_KEY");
        if (apiKey == null) {
            System.out.println("DASHSCOPE_API_KEY not found in environment variables");
            return;
        }
        // This is the Singapore region URL. Replace {WorkspaceId} with your actual workspace ID. URLs differ by region.
        String baseUrl = "https://{WorkspaceId}.ap-southeast-1.maas.aliyuncs.com/compatible-mode/v1/embeddings";
        HttpClient client = HttpClient.newHttpClient();

        // Read the input file.
        StringBuilder inputText = new StringBuilder();
        try (BufferedReader reader = new BufferedReader(new FileReader("<path_to_your_content_root>"))) {
            String line;
            while ((line = reader.readLine()) != null) {
                inputText.append(line).append("\n");
            }
        } catch (IOException e) {
            System.err.println("Error reading input file: " + e.getMessage());
            return;
        }

        Map<String, Object> requestBody = new HashMap<>();
        requestBody.put("model", "qwen3.7-text-embedding");
        requestBody.put("input", inputText.toString().trim());
        requestBody.put("dimensions", 1024);
        requestBody.put("encoding_format", "float");

        try {
            String requestBodyString = JsonUtils.toJson(requestBody);

            // Build the HTTP request.
            HttpRequest request = HttpRequest.newBuilder()
                    .uri(URI.create(baseUrl))
                    .header("Content-Type", "application/json")
                    .header("Authorization", "Bearer " + apiKey)
                    .POST(HttpRequest.BodyPublishers.ofString(requestBodyString))
                    .build();
            HttpResponse<String> response = client.send(request, HttpResponse.BodyHandlers.ofString());
            if (response.statusCode() == 200) {
                System.out.println("Response: " + response.body());
            } else {
                System.out.printf("Failed to retrieve response, status code: %d, response: %s%n", response.statusCode(), response.body());
            }
        } catch (Exception e) {
            System.err.println("Error: " + e.getMessage());
        }
    }
}

import java.util.Arrays;
import java.util.List;
import com.alibaba.dashscope.embeddings.TextEmbedding;
import com.alibaba.dashscope.embeddings.TextEmbeddingParam;
import com.alibaba.dashscope.embeddings.TextEmbeddingResult;
import com.alibaba.dashscope.exception.ApiException;
import com.alibaba.dashscope.exception.NoApiKeyException;
import com.alibaba.dashscope.utils.Constants;

public final class Main {
    static {
        // This is the Singapore region URL. Replace {WorkspaceId} with your actual workspace ID. URLs differ by region.
        Constants.baseHttpApiUrl="https://{WorkspaceId}.ap-southeast-1.maas.aliyuncs.com/api/v1";
    }
    private static final int DASHSCOPE_MAX_BATCH_SIZE = 10;

    public static void main(String[] args) {
        List<String> inputs = Arrays.asList(
                "A swift wind, a high sky, and the gibbons cry mournfully.",
                "A clear islet, white sand, and the birds fly back.",
                "Boundless rustling woods shed their leaves.",
                "The endless Yangtze River comes rolling in."
        );

        TextEmbeddingResult result = null;
        int batchCounter = 0;

        for (int i = 0; i < inputs.size(); i += DASHSCOPE_MAX_BATCH_SIZE) {
            List<String> batch = inputs.subList(i, Math.min(i + DASHSCOPE_MAX_BATCH_SIZE, inputs.size()));
            TextEmbeddingParam param = TextEmbeddingParam.builder()
                    .model("qwen3.7-text-embedding")
                    .texts(batch)
                    .build();

            TextEmbedding textEmbedding = new TextEmbedding();
            try {
                TextEmbeddingResult resp = textEmbedding.call(param);
                if (resp != null) {
                    if (result == null) {
                        result = resp;
                    } else {
                        for (var emb : resp.getOutput().getEmbeddings()) {
                            emb.setTextIndex(emb.getTextIndex() + batchCounter);
                            result.getOutput().getEmbeddings().add(emb);
                        }
                        result.getUsage().setTotalTokens(result.getUsage().getTotalTokens() + resp.getUsage().getTotalTokens());
                    }
                } else {
                    System.out.println(resp);
                }
            } catch (ApiException | NoApiKeyException e) {
                e.printStackTrace();
            }
            batchCounter += batch.size();
        }

        System.out.println(result);
    }
}

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import com.alibaba.dashscope.embeddings.TextEmbedding;
import com.alibaba.dashscope.embeddings.TextEmbeddingParam;
import com.alibaba.dashscope.embeddings.TextEmbeddingResult;
import com.alibaba.dashscope.exception.ApiException;
import com.alibaba.dashscope.exception.NoApiKeyException;
import com.alibaba.dashscope.utils.Constants;

public final class Main {
    static {
        // This is the Singapore region URL. Replace {WorkspaceId} with your actual workspace ID. URLs differ by region.
        Constants.baseHttpApiUrl="https://{WorkspaceId}.ap-southeast-1.maas.aliyuncs.com/api/v1";
    }
    public static void main(String[] args) {
        // Replace 'texts_to_embedding.txt' with the path to your file.
        try (BufferedReader reader = new BufferedReader(new FileReader("texts_to_embedding.txt"))) {
            StringBuilder content = new StringBuilder();
            String line;
            while ((line = reader.readLine()) != null) {
                content.append(line).append("\n");
            }

            TextEmbeddingParam param = TextEmbeddingParam.builder()
                    .model("qwen3.7-text-embedding")
                    .text(content.toString())
                    .build();

            TextEmbedding textEmbedding = new TextEmbedding();
            TextEmbeddingResult result = textEmbedding.call(param);

            if (result != null) {
                System.out.println(result);
            } else {
                System.out.println("Failed to get embedding: " + result);
            }
        } catch (IOException | ApiException | NoApiKeyException e) {
            e.printStackTrace();
        }
    }
}