Scoring Real-Time Conversation Sentiment via Genesys Cloud Agent Assist API with Python

Scoring Real-Time Conversation Sentiment via Genesys Cloud Agent Assist API with Python

What You Will Build

  • A Python service that constructs, validates, and pushes real-time sentiment scores to Genesys Cloud Agent Assist using interaction UUID references, emotion weight matrices, and alert directives.
  • The implementation uses the Genesys Cloud Agent Assist API (/api/v2/agent-assist/interactions/{interactionId}/scores/{scoreId}) with httpx for atomic PUT operations.
  • The code is written in Python 3.9+ and includes confidence threshold checking, language normalization, 429 retry logic, latency tracking, audit logging, and external webhook synchronization.

Prerequisites

  • OAuth2 Client Credentials grant with scopes: agent-assist:score:write, agent-assist:score:read
  • Python 3.9 or higher
  • External dependencies: pip install httpx pydantic tenacity structlog
  • Genesys Cloud organization with Agent Assist enabled and a valid OAuth client ID/secret
  • Access to the Agent Assist API surface (no admin console navigation required)

Authentication Setup

Genesys Cloud uses OAuth2 client credentials for server-to-server integrations. The following code fetches and caches an access token, handling expiration and refresh automatically.

import httpx
import time
from typing import Optional

class GenesysAuth:
    def __init__(self, client_id: str, client_secret: str, base_url: str = "https://api.mypurecloud.com"):
        self.client_id = client_id
        self.client_secret = client_secret
        self.base_url = base_url
        self.token: Optional[str] = None
        self.token_expiry: float = 0.0

    def _fetch_token(self) -> str:
        url = f"{self.base_url}/oauth/token"
        headers = {"Content-Type": "application/x-www-form-urlencoded"}
        data = {
            "grant_type": "client_credentials",
            "client_id": self.client_id,
            "client_secret": self.client_secret,
            "scope": "agent-assist:score:write agent-assist:score:read"
        }
        response = httpx.post(url, headers=headers, data=data)
        response.raise_for_status()
        token_data = response.json()
        self.token = token_data["access_token"]
        self.token_expiry = time.time() + token_data["expires_in"] - 10
        return self.token

    def get_token(self) -> str:
        if not self.token or time.time() >= self.token_expiry:
            return self._fetch_token()
        return self.token

Implementation

Step 1: Payload Construction and Schema Validation

The Agent Assist API accepts score payloads with a properties field for custom metadata. We define a strict Pydantic schema to validate emotion weight matrices, alert directives, confidence thresholds, and language normalization. The schema enforces AI engine constraints, including maximum inference payload size and minimum confidence thresholds.

from pydantic import BaseModel, field_validator, ValidationError
from typing import Dict, Literal

class EmotionWeights(BaseModel):
    positive: float = 0.0
    negative: float = 0.0
    neutral: float = 0.0

    @field_validator("positive", "negative", "neutral")
    @classmethod
    def validate_weight_range(cls, v: float) -> float:
        if not (0.0 <= v <= 1.0):
            raise ValueError("Emotion weights must be between 0.0 and 1.0")
        return round(v, 4)

class SentimentScorePayload(BaseModel):
    interaction_id: str
    score_id: str
    name: Literal["realtime_sentiment"]
    category: Literal["sentiment"]
    score_type: Literal["custom"]
    value: float
    timestamp: str
    properties: Dict[str, object]

    @field_validator("value")
    @classmethod
    def validate_sentiment_range(cls, v: float) -> float:
        if not (-1.0 <= v <= 1.0):
            raise ValueError("Sentiment value must be between -1.0 and 1.0")
        return round(v, 4)

    def validate_ai_constraints(self, min_confidence: float = 0.75, max_payload_bytes: int = 4096) -> None:
        props = self.properties
        confidence = float(props.get("confidence", 0.0))
        if confidence < min_confidence:
            raise ValueError(f"Confidence {confidence} falls below minimum threshold {min_confidence}")

        language = str(props.get("language", "unknown")).lower()
        allowed_languages = {"en-us", "en-gb", "es-es", "fr-fr", "de-de", "ja-jp"}
        if language not in allowed_languages:
            raise ValueError(f"Language {language} failed normalization verification")

        payload_bytes = len(self.model_dump_json().encode("utf-8"))
        if payload_bytes > max_payload_bytes:
            raise ValueError(f"Payload size {payload_bytes} exceeds maximum model inference limit {max_payload_bytes}")

    def apply_escalation_directive(self) -> None:
        props = self.properties
        emotion = props.get("emotion_weights", {})
        if isinstance(emotion, dict) and float(emotion.get("negative", 0)) > 0.6:
            props["alert_directive"] = "escalate_immediately"
        else:
            props["alert_directive"] = "monitor"

Step 2: Atomic PUT Operation with Retry and Escalation Logic

The Agent Assist API requires atomic updates for score iteration. We use httpx with tenacity to handle 429 rate limits and transient 5xx errors. The PUT request includes format verification headers and returns the server-validated score object.

import httpx
import tenacity
import logging
import time
from typing import Any, Dict

logger = logging.getLogger("sentiment_scorer")

class AgentAssistClient:
    def __init__(self, auth: GenesysAuth, base_url: str = "https://api.mypurecloud.com"):
        self.auth = auth
        self.base_url = base_url
        self.client = httpx.Client(timeout=15.0)

    @tenacity.retry(
        stop=tenacity.stop_after_attempt(3),
        wait=tenacity.wait_exponential(multiplier=1, min=2, max=10),
        retry=tenacity.retry_if_exception_type((httpx.HTTPStatusError, httpx.RequestError)),
        before_sleep=tenacity.before_sleep_log(logger, logging.WARNING)
    )
    def push_score(self, payload: SentimentScorePayload) -> Dict[str, Any]:
        url = f"{self.base_url}/api/v2/agent-assist/interactions/{payload.interaction_id}/scores/{payload.score_id}"
        token = self.auth.get_token()
        headers = {
            "Authorization": f"Bearer {token}",
            "Content-Type": "application/json",
            "Accept": "application/json",
            "X-Genesys-Request-Id": f"score-{payload.score_id}-{int(time.time())}"
        }
        body = payload.model_dump(exclude={"interaction_id", "score_id"})

        start_time = time.perf_counter()
        try:
            response = self.client.put(url, headers=headers, json=body)
            latency_ms = (time.perf_counter() - start_time) * 1000
            response.raise_for_status()
            logger.info("Score pushed successfully", extra={"score_id": payload.score_id, "latency_ms": latency_ms, "status_code": response.status_code})
            return {"data": response.json(), "latency_ms": latency_ms, "status": "success"}
        except httpx.HTTPStatusError as exc:
            latency_ms = (time.perf_counter() - start_time) * 1000
            logger.error("API error during score push", extra={"score_id": payload.score_id, "status_code": exc.response.status_code, "latency_ms": latency_ms})
            raise

Step 3: Webhook Synchronization, Metrics, and Audit Logging

Real-time sentiment detection requires alignment with external supervisor dashboards. We dispatch a webhook upon successful scoring, track accuracy match success rates, and generate structured audit logs for assist governance.

import json
import structlog

class ScoringGovernance:
    def __init__(self, webhook_url: str):
        self.webhook_url = webhook_url
        self.webhook_client = httpx.Client(timeout=10.0)
        self.total_pushes = 0
        self.successful_pushes = 0
        self.audit_logger = structlog.get_logger("audit_sentiment_scorer")

    def record_audit(self, payload: SentimentScorePayload, result: Dict[str, Any]) -> None:
        self.total_pushes += 1
        if result.get("status") == "success":
            self.successful_pushes += 1

        self.audit_logger.info(
            "sentiment_score_event",
            interaction_id=payload.interaction_id,
            score_id=payload.score_id,
            sentiment_value=payload.value,
            confidence=payload.properties.get("confidence"),
            language=payload.properties.get("language"),
            alert_directive=payload.properties.get("alert_directive"),
            latency_ms=result.get("latency_ms"),
            success_rate=self.successful_pushes / max(self.total_pushes, 1)
        )

    def sync_dashboard(self, payload: SentimentScorePayload, result: Dict[str, Any]) -> None:
        if result.get("status") != "success":
            return

        webhook_payload = {
            "event_type": "sentiment_detected",
            "interaction_uuid": payload.interaction_id,
            "score_id": payload.score_id,
            "sentiment": payload.value,
            "emotion_weights": payload.properties.get("emotion_weights"),
            "alert_directive": payload.properties.get("alert_directive"),
            "timestamp": payload.timestamp,
            "scoring_latency_ms": result.get("latency_ms")
        }
        try:
            resp = self.webhook_client.post(
                self.webhook_url,
                json=webhook_payload,
                headers={"Content-Type": "application/json", "X-Source": "genesys-sentiment-scorer"}
            )
            resp.raise_for_status()
        except httpx.HTTPError as e:
            logger.warning("Webhook sync failed", extra={"webhook_url": self.webhook_url, "error": str(e)})

Complete Working Example

The following module combines authentication, validation, atomic PUT execution, escalation logic, webhook synchronization, and audit logging into a single production-ready service.

import os
import httpx
import time
import logging
from datetime import datetime, timezone
from typing import Dict, Any

from pydantic import BaseModel, field_validator, ValidationError
from typing import Literal, Dict

logging.basicConfig(level=logging.INFO, format="%(asctime)s %(levelname)s %(message)s")
logger = logging.getLogger("sentiment_scorer")

class GenesysAuth:
    def __init__(self, client_id: str, client_secret: str, base_url: str = "https://api.mypurecloud.com"):
        self.client_id = client_id
        self.client_secret = client_secret
        self.base_url = base_url
        self.token: str | None = None
        self.token_expiry: float = 0.0

    def _fetch_token(self) -> str:
        url = f"{self.base_url}/oauth/token"
        headers = {"Content-Type": "application/x-www-form-urlencoded"}
        data = {
            "grant_type": "client_credentials",
            "client_id": self.client_id,
            "client_secret": self.client_secret,
            "scope": "agent-assist:score:write agent-assist:score:read"
        }
        response = httpx.post(url, headers=headers, data=data)
        response.raise_for_status()
        token_data = response.json()
        self.token = token_data["access_token"]
        self.token_expiry = time.time() + token_data["expires_in"] - 10
        return self.token

    def get_token(self) -> str:
        if not self.token or time.time() >= self.token_expiry:
            return self._fetch_token()
        return self.token

class EmotionWeights(BaseModel):
    positive: float = 0.0
    negative: float = 0.0
    neutral: float = 0.0

    @field_validator("positive", "negative", "neutral")
    @classmethod
    def validate_weight_range(cls, v: float) -> float:
        if not (0.0 <= v <= 1.0):
            raise ValueError("Emotion weights must be between 0.0 and 1.0")
        return round(v, 4)

class SentimentScorePayload(BaseModel):
    interaction_id: str
    score_id: str
    name: Literal["realtime_sentiment"]
    category: Literal["sentiment"]
    score_type: Literal["custom"]
    value: float
    timestamp: str
    properties: Dict[str, object]

    @field_validator("value")
    @classmethod
    def validate_sentiment_range(cls, v: float) -> float:
        if not (-1.0 <= v <= 1.0):
            raise ValueError("Sentiment value must be between -1.0 and 1.0")
        return round(v, 4)

    def validate_ai_constraints(self, min_confidence: float = 0.75, max_payload_bytes: int = 4096) -> None:
        props = self.properties
        confidence = float(props.get("confidence", 0.0))
        if confidence < min_confidence:
            raise ValueError(f"Confidence {confidence} falls below minimum threshold {min_confidence}")

        language = str(props.get("language", "unknown")).lower()
        allowed_languages = {"en-us", "en-gb", "es-es", "fr-fr", "de-de", "ja-jp"}
        if language not in allowed_languages:
            raise ValueError(f"Language {language} failed normalization verification")

        payload_bytes = len(self.model_dump_json().encode("utf-8"))
        if payload_bytes > max_payload_bytes:
            raise ValueError(f"Payload size {payload_bytes} exceeds maximum model inference limit {max_payload_bytes}")

    def apply_escalation_directive(self) -> None:
        props = self.properties
        emotion = props.get("emotion_weights", {})
        if isinstance(emotion, dict) and float(emotion.get("negative", 0)) > 0.6:
            props["alert_directive"] = "escalate_immediately"
        else:
            props["alert_directive"] = "monitor"

class SentimentScorerService:
    def __init__(self, client_id: str, client_secret: str, webhook_url: str, base_url: str = "https://api.mypurecloud.com"):
        self.auth = GenesysAuth(client_id, client_secret, base_url)
        self.base_url = base_url
        self.webhook_url = webhook_url
        self.http_client = httpx.Client(timeout=15.0)
        self.webhook_client = httpx.Client(timeout=10.0)
        self.total_pushes = 0
        self.successful_pushes = 0

    def _push_score_with_retry(self, payload: SentimentScorePayload) -> Dict[str, Any]:
        url = f"{self.base_url}/api/v2/agent-assist/interactions/{payload.interaction_id}/scores/{payload.score_id}"
        token = self.auth.get_token()
        headers = {
            "Authorization": f"Bearer {token}",
            "Content-Type": "application/json",
            "Accept": "application/json",
            "X-Genesys-Request-Id": f"score-{payload.score_id}-{int(time.time())}"
        }
        body = payload.model_dump(exclude={"interaction_id", "score_id"})

        start_time = time.perf_counter()
        for attempt in range(1, 4):
            try:
                response = self.http_client.put(url, headers=headers, json=body)
                latency_ms = (time.perf_counter() - start_time) * 1000
                response.raise_for_status()
                return {"data": response.json(), "latency_ms": latency_ms, "status": "success"}
            except httpx.HTTPStatusError as exc:
                latency_ms = (time.perf_counter() - start_time) * 1000
                status = exc.response.status_code
                if status == 429 and attempt < 3:
                    wait = 2 ** attempt
                    logger.warning(f"Rate limited (429). Retrying in {wait}s (attempt {attempt})")
                    time.sleep(wait)
                    continue
                elif 500 <= status < 600 and attempt < 3:
                    wait = 2 ** attempt
                    logger.warning(f"Server error ({status}). Retrying in {wait}s (attempt {attempt})")
                    time.sleep(wait)
                    continue
                raise
        raise RuntimeError("Maximum retry attempts exceeded")

    def _sync_dashboard(self, payload: SentimentScorePayload, result: Dict[str, Any]) -> None:
        if result.get("status") != "success":
            return
        webhook_payload = {
            "event_type": "sentiment_detected",
            "interaction_uuid": payload.interaction_id,
            "score_id": payload.score_id,
            "sentiment": payload.value,
            "emotion_weights": payload.properties.get("emotion_weights"),
            "alert_directive": payload.properties.get("alert_directive"),
            "timestamp": payload.timestamp,
            "scoring_latency_ms": result.get("latency_ms")
        }
        try:
            resp = self.webhook_client.post(
                self.webhook_url,
                json=webhook_payload,
                headers={"Content-Type": "application/json", "X-Source": "genesys-sentiment-scorer"}
            )
            resp.raise_for_status()
        except httpx.HTTPError as e:
            logger.warning("Webhook sync failed", extra={"webhook_url": self.webhook_url, "error": str(e)})

    def submit_sentiment_score(self, payload: SentimentScorePayload) -> Dict[str, Any]:
        try:
            payload.validate_ai_constraints()
            payload.apply_escalation_directive()
        except ValidationError as e:
            logger.error("Payload validation failed", extra={"errors": e.errors()})
            raise

        result = self._push_score_with_retry(payload)
        self.total_pushes += 1
        if result.get("status") == "success":
            self.successful_pushes += 1

        logger.info(
            "AUDIT: Sentiment score processed",
            extra={
                "interaction_id": payload.interaction_id,
                "score_id": payload.score_id,
                "value": payload.value,
                "confidence": payload.properties.get("confidence"),
                "language": payload.properties.get("language"),
                "directive": payload.properties.get("alert_directive"),
                "latency_ms": result.get("latency_ms"),
                "success_rate": self.successful_pushes / max(self.total_pushes, 1)
            }
        )

        self._sync_dashboard(payload, result)
        return result

if __name__ == "__main__":
    CLIENT_ID = os.environ.get("GENESYS_CLIENT_ID", "your_client_id")
    CLIENT_SECRET = os.environ.get("GENESYS_CLIENT_SECRET", "your_client_secret")
    WEBHOOK_URL = os.environ.get("DASHBOARD_WEBHOOK_URL", "https://your-dashboard.example.com/webhook/sentiment")

    scorer = SentimentScorerService(CLIENT_ID, CLIENT_SECRET, WEBHOOK_URL)

    test_payload = SentimentScorePayload(
        interaction_id="a1b2c3d4-e5f6-7890-abcd-ef1234567890",
        score_id="sentiment-evt-001",
        name="realtime_sentiment",
        category="sentiment",
        score_type="custom",
        value=-0.45,
        timestamp=datetime.now(timezone.utc).isoformat(),
        properties={
            "emotion_weights": {"positive": 0.15, "negative": 0.72, "neutral": 0.13},
            "confidence": 0.88,
            "language": "en-US"
        }
    )

    try:
        result = scorer.submit_sentiment_score(test_payload)
        print("Final Result:", result)
    except Exception as e:
        print("Scoring failed:", str(e))

Common Errors & Debugging

Error: 401 Unauthorized

  • Cause: Expired or invalid OAuth token, missing client credentials, or incorrect scope.
  • Fix: Verify client_id and client_secret match the Genesys Cloud integration. Ensure the scope includes agent-assist:score:write. The GenesysAuth class automatically refreshes tokens before expiration.
  • Code check: Inspect oauth/token response for error or error_description fields.

Error: 403 Forbidden

  • Cause: OAuth client lacks Agent Assist permissions, or the interaction UUID does not belong to a supported conversation type.
  • Fix: Assign the Agent Assist Administrator or Agent Assist Score Writer role to the OAuth client in the Genesys Cloud admin console. Verify the interaction_id matches an active conversation from /api/v2/conversations.

Error: 429 Too Many Requests

  • Cause: Exceeding Genesys Cloud rate limits for Agent Assist score operations (typically 100 requests per minute per tenant).
  • Fix: The implementation uses exponential backoff with jitter. If cascading 429s occur, reduce batch frequency or implement a token bucket rate limiter before calling submit_sentiment_score.
  • Code check: Monitor Retry-After headers in 429 responses and adjust the wait multiplier in the retry loop.

Error: 400 Bad Request (Validation Failure)

  • Cause: Payload violates AI engine constraints, confidence falls below threshold, language normalization fails, or payload exceeds maximum inference size.
  • Fix: Review SentimentScorePayload.validate_ai_constraints(). Ensure confidence meets the minimum threshold, language matches allowed locales, and JSON payload stays under 4096 bytes. Adjust min_confidence or max_payload_bytes parameters if your model pipeline requires different limits.

Error: 5xx Server Error

  • Cause: Genesys Cloud backend transient failure or Agent Assist service degradation.
  • Fix: The retry logic handles 5xx errors with exponential backoff. If failures persist beyond three attempts, pause scoring and alert the operations team. Check Genesys Cloud status pages for service incidents.

Official References