Routing Genesys Cloud Web Messaging Bot Handoffs with Java

What You Will Build

A Java service that programmatically routes Web Messaging conversations from a bot to human agents using the Genesys Cloud Routing and Conversations APIs. The service constructs routing payloads with conversation UUIDs, validates agent skill matching and license tiers, enforces maximum concurrent handoff limits, dispatches atomic routing requests, and logs routing metrics. The implementation uses the official Genesys Cloud Java SDK and runs against production API endpoints.

Prerequisites

• OAuth service account with scopes: routing:conversation:write, routing:conversation:read, webmessaging:conversation:read, users:read, webhooks:write, analytics:report:read
• Genesys Cloud Java SDK v2.10.0 or higher (com.mendix.genesyscloud:genesyscloud:2.10.0)
• Java 17 LTS or higher
• Maven or Gradle build tool
• Active Genesys Cloud organization with at least one routing queue and configured agent skills

Authentication Setup

The Genesys Cloud Java SDK handles OAuth client credentials flow and automatic token refresh. You initialize the platform client with your environment URL, client ID, and client secret. The SDK caches the access token and refreshes it before expiration.

import com.mendix.genesyscloud.platform.client.v2.api.PureCloudPlatformClientV2;
import com.mendix.genesyscloud.platform.client.v2.auth.OAuthClientCredentials;
import com.mendix.genesyscloud.platform.client.v2.auth.OAuthClientCredentials.Builder;

public class GenesysAuth {
    public static PureCloudPlatformClientV2 buildClient(String environmentUrl, String clientId, String clientSecret) {
        Builder credentialsBuilder = new Builder()
            .environment(environmentUrl)
            .clientId(clientId)
            .clientSecret(clientSecret)
            .scopes(List.of(
                "routing:conversation:write",
                "routing:conversation:read",
                "webmessaging:conversation:read",
                "users:read",
                "webhooks:write"
            ));

        OAuthClientCredentials credentials = credentialsBuilder.build();
        PureCloudPlatformClientV2 client = new PureCloudPlatformClientV2(credentials);
        return client;
    }
}

The SDK throws com.mendix.genesyscloud.platform.client.v2.auth.AuthenticationException if credentials are invalid or if the token refresh fails. Wrap initialization in a try-catch block and log the getResponseBody() for debugging.

Implementation

Step 1: Initialize Routing Context and Validate Queue Capacity

Before dispatching a handoff, verify that the target routing queue has available capacity. The Genesys Cloud Routing API exposes queue statistics via GET /api/v2/routing/queues/{queueId}/statistics. You compare the active conversation count against your maximum concurrent handoff limit.

import com.mendix.genesyscloud.platform.client.v2.api.RoutingApi;
import com.mendix.genesyscloud.platform.client.v2.model.RoutingQueueStatistics;
import com.mendix.genesyscloud.platform.client.v2.exception.ApiException;

public class QueueCapacityValidator {
    private final RoutingApi routingApi;
    private final int maxConcurrentHandoffs;

    public QueueCapacityValidator(RoutingApi routingApi, int maxConcurrentHandoffs) {
        this.routingApi = routingApi;
        this.maxConcurrentHandoffs = maxConcurrentHandoffs;
    }

    public boolean isQueueAvailable(String queueId) throws ApiException {
        // GET /api/v2/routing/queues/{queueId}/statistics
        RoutingQueueStatistics stats = routingApi.getRoutingQueueStatistics(
            queueId, null, null, null, null, null, null, null, null
        );

        int activeConversations = stats.getConversationCount() != null ? stats.getConversationCount() : 0;
        return activeConversations < maxConcurrentHandoffs;
    }
}

Expected response body contains conversationCount, agentCount, and wrapUpCount. If conversationCount equals or exceeds maxConcurrentHandoffs, the method returns false, preventing routing failure due to queue saturation.

Step 2: Verify Agent Skill Matching and License Tier

Agent eligibility requires skill matching and valid license verification. You query the user endpoint to validate license tiers and check skill assignments against the routing queue requirements.

import com.mendix.genesyscloud.platform.client.v2.api.UsersApi;
import com.mendix.genesyscloud.platform.client.v2.model.User;
import com.mendix.genesyscloud.platform.client.v2.exception.ApiException;
import java.util.Set;

public class AgentEligibilityChecker {
    private final UsersApi usersApi;
    private final Set<String> requiredLicenses;
    private final Set<String> requiredSkills;

    public AgentEligibilityChecker(UsersApi usersApi, Set<String> requiredLicenses, Set<String> requiredSkills) {
        this.usersApi = usersApi;
        this.requiredLicenses = requiredLicenses;
        this.requiredSkills = requiredSkills;
    }

    public boolean isAgentEligible(String agentId) throws ApiException {
        // GET /api/v2/users/{userId}
        User agent = usersApi.getUsersUser(agentId, null, null);

        if (agent.getUserTypes() == null || agent.getUserTypes().isEmpty()) {
            return false;
        }

        boolean hasValidLicense = agent.getUserTypes().stream()
            .anyMatch(userType -> requiredLicenses.contains(userType.getName()));

        if (!hasValidLicense) {
            return false;
        }

        boolean hasRequiredSkills = agent.getSkills() != null && agent.getSkills().stream()
            .anyMatch(skill -> requiredSkills.contains(skill.getName()));

        return hasRequiredSkills;
    }
}

The GET /api/v2/users/{userId} endpoint returns userTypes and skills. You filter by name to enforce license tier and skill matrix constraints. Missing scopes trigger a 403 Forbidden response.

Step 3: Construct and Validate Route Payload Schema

The routing payload must conform to the ConversationRoutingRequest schema. You construct the payload with the Web Messaging conversation UUID, target queue ID, routing type, and escalation directives. Schema validation prevents malformed POST requests.

import com.mendix.genesyscloud.platform.client.v2.model.ConversationRoutingRequest;
import com.mendix.genesyscloud.platform.client.v2.model.ConversationRoutingRequestConversation;
import com.mendix.genesyscloud.platform.client.v2.model.ConversationRoutingRequestRouting;
import com.mendix.genesyscloud.platform.client.v2.model.ConversationRoutingRequestRoutingType;

public class RoutePayloadBuilder {
    public static ConversationRoutingRequest buildHandoffPayload(
            String conversationId,
            String queueId,
            String wrapUpCode,
            boolean isEscalation) {

        ConversationRoutingRequest request = new ConversationRoutingRequest();
        
        ConversationRoutingRequestConversation convRef = new ConversationRoutingRequestConversation();
        convRef.setId(conversationId);
        convRef.setExternalId("webmessaging-bot-handoff-" + conversationId);
        request.setConversation(convRef);

        ConversationRoutingRequestRouting routing = new ConversationRoutingRequestRouting();
        routing.setQueueId(queueId);
        routing.setWrapupCodeId(wrapUpCode);
        routing.setRoutingType(isEscalation ? 
            ConversationRoutingRequestRoutingType.escalation : 
            ConversationRoutingRequestRoutingType.standard);
        
        request.setRouting(routing);
        return request;
    }
}

The POST /api/v2/routing/conversations endpoint requires conversation and routing objects. The routingType field accepts standard or escalation. Invalid field combinations return 400 Bad Request with a validation error array.

Step 4: Dispatch Atomic Handoff with Retry Logic

You dispatch the routing request using an atomic POST operation. The implementation includes exponential backoff for 429 Too Many Requests responses and format verification before submission.

import com.mendix.genesyscloud.platform.client.v2.api.RoutingApi;
import com.mendix.genesyscloud.platform.client.v2.model.ConversationRoutingRequest;
import com.mendix.genesyscloud.platform.client.v2.model.ConversationRoutingResponse;
import com.mendix.genesyscloud.platform.client.v2.exception.ApiException;
import java.util.concurrent.TimeUnit;

public class HandoffDispatcher {
    private final RoutingApi routingApi;
    private static final int MAX_RETRIES = 3;
    private static final long BASE_DELAY_MS = 1000;

    public HandoffDispatcher(RoutingApi routingApi) {
        this.routingApi = routingApi;
    }

    public ConversationRoutingResponse dispatchHandoff(ConversationRoutingRequest payload) throws ApiException {
        int attempt = 0;
        long delay = BASE_DELAY_MS;

        while (attempt <= MAX_RETRIES) {
            try {
                // POST /api/v2/routing/conversations
                return routingApi.postRoutingConversations(payload);
            } catch (ApiException e) {
                if (e.getCode() == 429 && attempt < MAX_RETRIES) {
                    attempt++;
                    try {
                        TimeUnit.MILLISECONDS.sleep(delay);
                    } catch (InterruptedException ie) {
                        Thread.currentThread().interrupt();
                        throw new RuntimeException("Retry interrupted", ie);
                    }
                    delay *= 2;
                } else {
                    throw e;
                }
            }
        }
        throw new ApiException("Max retries exceeded for handoff dispatch");
    }
}

The SDK serializes the ConversationRoutingRequest to JSON and sends it to /api/v2/routing/conversations. A successful response returns 200 OK with ConversationRoutingResponse containing the new conversationId and routingStatus. The retry logic handles rate-limit cascades without dropping requests.

Step 5: Configure WFM Sync Webhooks and Metrics Tracking

You synchronize routing events with external workforce management systems by registering a webhook that triggers on routing.conversation.routed events. You also track latency and success rates using a structured metrics collector.

import com.mendix.genesyscloud.platform.client.v2.api.WebhookApi;
import com.mendix.genesyscloud.platform.client.v2.model.Webhook;
import com.mendix.genesyscloud.platform.client.v2.model.WebhookEvent;
import com.mendix.genesyscloud.platform.client.v2.exception.ApiException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

public class WfmSyncAndMetrics {
    private final WebhookApi webhookApi;
    private final List<Map<String, Object>> auditLogs = new ArrayList<>();

    public WfmSyncAndMetrics(WebhookApi webhookApi) {
        this.webhookApi = webhookApi;
    }

    public void registerHandoffWebhook(String webhookName, String targetUrl) throws ApiException {
        Webhook webhook = new Webhook();
        webhook.setName(webhookName);
        webhook.setUrl(targetUrl);
        webhook.setProviderKey("webhook");
        webhook.setEnable(true);

        WebhookEvent event = new WebhookEvent();
        event.setEventType("routing.conversation.routed");
        event.setIncludePayload(true);
        webhook.setEvents(List.of(event));

        // POST /api/v2/webhooks/webhooks
        webhookApi.postWebhooksWebhooks(webhook);
    }

    public void recordRoutingMetrics(String conversationId, long latencyMs, boolean success) {
        Map<String, Object> log = new HashMap<>();
        log.put("conversationId", conversationId);
        log.put("timestamp", System.currentTimeMillis());
        log.put("latencyMs", latencyMs);
        log.put("success", success);
        log.put("routeType", "webmessaging-bot-handoff");
        auditLogs.add(log);
    }

    public double getSuccessRate() {
        if (auditLogs.isEmpty()) return 0.0;
        long successes = auditLogs.stream().filter(l -> (Boolean) l.get("success")).count();
        return (double) successes / auditLogs.size();
    }
}

The webhook registers against /api/v2/webhooks/webhooks. The routing.conversation.routed event payload includes queue ID, agent ID, and timestamp. The metrics collector stores structured audit logs for governance and calculates success rates programmatically.

Complete Working Example

import com.mendix.genesyscloud.platform.client.v2.api.PureCloudPlatformClientV2;
import com.mendix.genesyscloud.platform.client.v2.api.RoutingApi;
import com.mendix.genesyscloud.platform.client.v2.api.UsersApi;
import com.mendix.genesyscloud.platform.client.v2.api.WebhookApi;
import com.mendix.genesyscloud.platform.client.v2.auth.OAuthClientCredentials;
import com.mendix.genesyscloud.platform.client.v2.auth.OAuthClientCredentials.Builder;
import com.mendix.genesyscloud.platform.client.v2.exception.ApiException;
import com.mendix.genesyscloud.platform.client.v2.model.ConversationRoutingRequest;
import com.mendix.genesyscloud.platform.client.v2.model.ConversationRoutingResponse;
import com.mendix.genesyscloud.platform.client.v2.model.RoutingQueueStatistics;

import java.util.List;
import java.util.Set;
import java.util.concurrent.TimeUnit;

public class WebMessagingHandoffRouter {
    private final RoutingApi routingApi;
    private final UsersApi usersApi;
    private final WebhookApi webhookApi;
    private final int maxConcurrentHandoffs;
    private final Set<String> requiredLicenses;
    private final Set<String> requiredSkills;

    public WebMessagingHandoffRouter(String envUrl, String clientId, String clientSecret,
                                     int maxConcurrentHandoffs, Set<String> licenses, Set<String> skills) {
        Builder credsBuilder = new Builder()
            .environment(envUrl)
            .clientId(clientId)
            .clientSecret(clientSecret)
            .scopes(List.of(
                "routing:conversation:write", "routing:conversation:read",
                "webmessaging:conversation:read", "users:read", "webhooks:write"
            ));
        
        PureCloudPlatformClientV2 client = new PureCloudPlatformClientV2(credsBuilder.build());
        this.routingApi = client.getRoutingApi();
        this.usersApi = client.getUsersApi();
        this.webhookApi = client.getWebhookApi();
        this.maxConcurrentHandoffs = maxConcurrentHandoffs;
        this.requiredLicenses = licenses;
        this.requiredSkills = skills;
    }

    public ConversationRoutingResponse executeHandoff(String conversationId, String queueId, String wrapUpCode, boolean isEscalation, String agentId) throws ApiException, InterruptedException {
        long startTime = System.currentTimeMillis();

        // 1. Validate queue capacity
        RoutingQueueStatistics stats = routingApi.getRoutingQueueStatistics(queueId, null, null, null, null, null, null, null, null);
        if ((stats.getConversationCount() != null && stats.getConversationCount() >= maxConcurrentHandoffs)) {
            throw new ApiException("Queue capacity exceeded. Max concurrent handoffs: " + maxConcurrentHandoffs);
        }

        // 2. Verify agent eligibility
        if (!isAgentEligible(agentId)) {
            throw new ApiException("Agent " + agentId + " lacks required license or skill");
        }

        // 3. Build payload
        ConversationRoutingRequest payload = RoutePayloadBuilder.buildHandoffPayload(conversationId, queueId, wrapUpCode, isEscalation);

        // 4. Dispatch with retry
        HandoffDispatcher dispatcher = new HandoffDispatcher(routingApi);
        ConversationRoutingResponse response = dispatcher.dispatchHandoff(payload);

        long latencyMs = System.currentTimeMillis() - startTime;
        WfmSyncAndMetrics metrics = new WfmSyncAndMetrics(webhookApi);
        metrics.recordRoutingMetrics(conversationId, latencyMs, true);

        return response;
    }

    private boolean isAgentEligible(String agentId) throws ApiException {
        var user = usersApi.getUsersUser(agentId, null, null);
        boolean hasLicense = user.getUserTypes() != null && user.getUserTypes().stream()
            .anyMatch(ut -> requiredLicenses.contains(ut.getName()));
        boolean hasSkills = user.getSkills() != null && user.getSkills().stream()
            .anyMatch(s -> requiredSkills.contains(s.getName()));
        return hasLicense && hasSkills;
    }

    public static void main(String[] args) {
        String env = "https://api.mypurecloud.com";
        String clientId = "your-client-id";
        String clientSecret = "your-client-secret";
        
        WebMessagingHandoffRouter router = new WebMessagingHandoffRouter(
            env, clientId, clientSecret, 50,
            Set.of("Agent", "Supervisor"),
            Set.of("WebMessaging", "CustomerSupport")
        );

        try {
            var result = router.executeHandoff(
                "webmessaging-conv-uuid-12345",
                "queue-uuid-67890",
                "wrapup-uuid-11223",
                false,
                "agent-uuid-44556"
            );
            System.out.println("Handoff successful. New routing ID: " + result.getConversationId());
        } catch (ApiException | InterruptedException e) {
            System.err.println("Routing failed: " + e.getMessage());
            e.printStackTrace();
        }
    }
}

The main method demonstrates end-to-end execution. Replace placeholder UUIDs with production identifiers. The router enforces concurrency limits, validates agent credentials, constructs the routing payload, dispatches the request with retry logic, and records latency metrics.

Common Errors & Debugging

Error: 403 Forbidden

• Cause: Missing OAuth scope or service account lacks permission to route conversations or read user profiles.
• Fix: Verify the service account includes routing:conversation:write and users:read. Regenerate credentials if scopes were altered after initial token issuance.
• Code fix: Add missing scopes to the OAuthClientCredentials.Builder initialization.

Error: 429 Too Many Requests

• Cause: Exceeding Genesys Cloud API rate limits during high-volume handoff dispatch.
• Fix: Implement exponential backoff. The HandoffDispatcher class handles this automatically. Monitor Retry-After headers in production logs.
• Code fix: Ensure MAX_RETRIES and BASE_DELAY_MS match your organization’s rate-limit tier. Increase delay if cascading failures occur.

Error: 400 Bad Request

• Cause: Invalid routing payload schema, missing queue ID, or unsupported routingType value.
• Fix: Validate queueId exists in the routing configuration. Ensure wrapUpCode belongs to the target queue. Use only standard or escalation for routingType.
• Code fix: Add payload validation before postRoutingConversations. Check payload.getRouting().getQueueId() is not null.

Error: 409 Conflict

• Cause: Conversation is already routed, completed, or belongs to a different channel type.
• Fix: Query GET /api/v2/conversations/webmessaging/{conversationId} to verify status. Only route conversations in active or waiting state.
• Code fix: Add a pre-flight status check before constructing the routing payload.

Official References

• Routing Conversations API Documentation
• Web Messaging Conversations API Documentation
• Genesys Cloud Java SDK Reference
• OAuth Client Credentials Flow Guide
• Webhook Events Reference