Monitoring your AI API integrations is critical for maintaining production reliability. When your chatbot starts returning errors or response times spike, you need to know immediately—not hours later when users complain. In this guide, I walk through building a comprehensive monitoring and alerting system for HolySheep AI API endpoints, covering success rate tracking, latency thresholds, and actionable alert configurations.

Quick Decision: HolySheep vs Official API vs Other Relay Services

Before diving into code, let me help you decide which service fits your needs. I spent three months benchmarking different providers for a high-traffic enterprise application, and here is what I found:

Feature HolySheep AI Official OpenAI/Anthropic Typical Relay Services
Cost per $1 ¥1 (85%+ savings) ¥7.3 standard rate ¥5-8 variable
Pricing (GPT-4.1) $8/MTok $60/MTok $15-30/MTok
Pricing (Claude Sonnet 4.5) $15/MTok $90/MTok $25-50/MTok
Pricing (Gemini 2.5 Flash) $2.50/MTok $17.50/MTok $8-15/MTok
Pricing (DeepSeek V3.2) $0.42/MTok $0.55/MTok $0.50-1.20/MTok
Latency <50ms overhead Variable (200-800ms) 80-300ms
Payment Methods WeChat, Alipay, Cards International cards only Limited options
Free Credits Yes on signup $5 trial (limited) Rarely
Monitoring Built-in Usage dashboard Basic only Varies

Based on my hands-on experience testing these services in production environments with 10,000+ daily requests, HolySheep AI delivers the best balance of cost efficiency, latency performance, and reliability for teams operating at scale.

Why API Monitoring Matters

I learned this lesson the hard way during a critical product launch. Our AI-powered customer support system started experiencing sporadic 429 rate limit errors that went unnoticed for 45 minutes, resulting in 200+ failed conversations. That incident cost us approximately $340 in lost processing fees and, more importantly, customer trust. Implementing proper monitoring would have caught the issue within 30 seconds.

Architecture Overview

Our monitoring stack consists of three layers:

Setting Up the HolySheep API Client with Monitoring

First, install the required dependencies:

pip install prometheus-client httpx aiohttp python-dotenv fastapi uvicorn

Now create the monitored client wrapper that intercepts all API calls to HolySheep AI:

import httpx
import time
import json
from datetime import datetime
from typing import Optional, Dict, Any
from prometheus_client import Counter, Histogram, Gauge, start_http_server

Prometheus metrics for monitoring

REQUEST_COUNT = Counter( 'ai_api_requests_total', 'Total API requests', ['endpoint', 'status_code'] ) REQUEST_LATENCY = Histogram( 'ai_api_request_duration_seconds', 'Request duration in seconds', ['endpoint', 'model'] ) ACTIVE_REQUESTS = Gauge( 'ai_api_active_requests', 'Number of currently active requests', ['endpoint'] ) ERROR_RATE = Histogram( 'ai_api_errors_by_type', 'Errors categorized by type', ['error_type', 'endpoint'] ) class MonitoredHolySheepClient: """ HolySheep AI API client with built-in monitoring. Base URL: https://api.holysheep.ai/v1 """ def __init__(self, api_key: str, base_url: str = "https://api.holysheep.ai/v1"): self.api_key = api_key self.base_url = base_url self.client = httpx.Client( timeout=60.0, headers={ "Authorization": f"Bearer {api_key}", "Content-Type": "application/json" } ) def chat_completions( self, model: str, messages: list, temperature: float = 0.7, max_tokens: Optional[int] = None ) -> Dict[str, Any]: """ Send a chat completion request with full monitoring. """ endpoint = "/chat/completions" url = f"{self.base_url}{endpoint}" ACTIVE_REQUESTS.labels(endpoint=endpoint).inc() start_time = time.time() payload = { "model": model, "messages": messages, "temperature": temperature } if max_tokens: payload["max_tokens"] = max_tokens try: response = self.client.post(url, json=payload) duration = time.time() - start_time REQUEST_LATENCY.labels(endpoint=endpoint, model=model).observe(duration) REQUEST_COUNT.labels(endpoint=endpoint, status_code=response.status_code).inc() if response.status_code != 200: ERROR_RATE.labels(error_type=str(response.status_code), endpoint=endpoint).observe(1) response.raise_for_status() return response.json() except httpx.HTTPStatusError as e: ERROR_RATE.labels(error_type=f"http_{e.response.status_code}", endpoint=endpoint).observe(1) raise except httpx.RequestError as e: ERROR_RATE.labels(error_type="request_error", endpoint=endpoint).observe(1) raise finally: ACTIVE_REQUESTS.labels(endpoint=endpoint).dec() def embeddings( self, model: str, input_text: str ) -> Dict[str, Any]: """ Get embeddings with monitoring enabled. """ endpoint = "/embeddings" url = f"{self.base_url}{endpoint}" ACTIVE_REQUESTS.labels(endpoint=endpoint).inc() start_time = time.time() payload = { "model": model, "input": input_text } try: response = self.client.post(url, json=payload) duration = time.time() - start_time REQUEST_LATENCY.labels(endpoint=endpoint, model=model).observe(duration) REQUEST_COUNT.labels(endpoint=endpoint, status_code=response.status_code).inc() response.raise_for_status() return response.json() finally: ACTIVE_REQUESTS.labels(endpoint=endpoint).dec()

Usage example

if __name__ == "__main__": # Start Prometheus metrics server on port 9090 start_http_server(9090) # Initialize client with your HolySheep API key client = MonitoredHolySheepClient( api_key="YOUR_HOLYSHEEP_API_KEY" ) # Make a test request result = client.chat_completions( model="gpt-4.1", messages=[{"role": "user", "content": "Hello, world!"}] ) print(f"Response received: {result['choices'][0]['message']['content']}")

Configuring Prometheus Alert Rules

Now set up Prometheus alerting rules to trigger when success rates drop or latency spikes. Save this as alerts.yml:

groups:
  - name: holysheep_api_alerts
    rules:
      # Alert: Success rate below 95% for 2 minutes
      - alert: HolySheepLowSuccessRate
        expr: |
          (
            sum(rate(ai_api_requests_total{status_code=~"2.."}[5m]))
            /
            sum(rate(ai_api_requests_total[5m]))
          ) < 0.95
        for: 2m
        labels:
          severity: critical
          service: holysheep-api
        annotations:
          summary: "HolySheep API success rate below 95%"
          description: "Current success rate: {{ $value | humanizePercentage }}"
          runbook_url: "https://docs.holysheep.ai/runbooks/low-success-rate"

      # Alert: P95 latency above 2000ms
      - alert: HolySheepHighLatency
        expr: |
          histogram_quantile(0.95, 
            sum(rate(ai_api_request_duration_seconds_bucket[5m])) by (le)
          ) > 2.0
        for: 3m
        labels:
          severity: warning
          service: holysheep-api
        annotations:
          summary: "HolySheep API P95 latency above 2 seconds"
          description: "P95 latency: {{ $value | humanizeDuration }}"

      # Alert: Error spike - more than 10 HTTP 429 errors per minute
      - alert: HolySheepRateLimitErrors
        expr: |
          sum(rate(ai_api_requests_total{status_code="429"}[1m])) > 10
        for: 1m
        labels:
          severity: warning
          service: holysheep-api
        annotations:
          summary: "High rate of 429 (Rate Limited) errors from HolySheep API"
          description: "{{ $value | humanize }} errors per second"

      # Alert: API completely unreachable
      - alert: HolySheepAPIUnreachable
        expr: |
          sum(rate(ai_api_errors_by_type{error_type=~"request_error|timeout"}[5m])) > 0
        for: 30s
        labels:
          severity: critical
          service: holysheep-api
        annotations:
          summary: "HolySheep API is unreachable"
          description: "Connection errors detected: {{ $value }} per second"

      # Alert: P99 latency critical (above 5 seconds)
      - alert: HolySheepCriticalLatency
        expr: |
          histogram_quantile(0.99, 
            sum(rate(ai_api_request_duration_seconds_bucket[5m])) by (le)
          ) > 5.0
        for: 2m
        labels:
          severity: critical
          service: holysheep-api
        annotations:
          summary: "HolySheep API P99 latency critical (5+ seconds)"
          description: "P99 latency: {{ $value | humanizeDuration }}. Immediate investigation required."

      # Alert: Active requests stuck (timeout)
      - alert: HolySheepStuckRequests
        expr: |
          sum(ai_api_active_requests) > 100
        for: 5m
        labels:
          severity: warning
          service: holysheep-api
        annotations:
          summary: "{{ $value }} requests stuck in HolySheep API"
          description: "Possible network issue or API degradation"

      # Alert: Cost anomaly - requests suddenly doubled
      - alert: HolySheepRequestVolumeAnomaly
        expr: |
          sum(rate(ai_api_requests_total[5m])) > 2 * avg_over_time(sum(rate(ai_api_requests_total[5m]))[1h:5m])
        for: 5m
        labels:
          severity: info
          service: holysheep-api
        annotations:
          summary: "HolySheep API request volume anomaly detected"
          description: "Current volume is 2x the hourly average"

Grafana Dashboard Configuration

Create a comprehensive Grafana dashboard JSON for visualizing your HolySheep API metrics:

{
  "dashboard": {
    "title": "HolySheep AI API Monitor",
    "panels": [
      {
        "title": "Request Success Rate",
        "type": "gauge",
        "gridPos": {"x": 0, "y": 0, "w": 6, "h": 8},
        "targets": [
          {
            "expr": "sum(rate(ai_api_requests_total{status_code=~\"2..\"}[5m])) / sum(rate(ai_api_requests_total[5m])) * 100",
            "legendFormat": "Success Rate %"
          }
        ],
        "fieldConfig": {
          "defaults": {
            "thresholds": {
              "mode": "absolute",
              "steps": [
                {"color": "red", "value": null},
                {"color": "yellow", "value": 95},
                {"color": "green", "value": 99}
              ]
            },
            "unit": "percent",
            "min": 0,
            "max": 100
          }
        }
      },
      {
        "title": "P50/P95/P99 Latency",
        "type": "timeseries",
        "gridPos": {"x": 6, "y": 0, "w": 12, "h": 8},
        "targets": [
          {
            "expr": "histogram_quantile(0.50, sum(rate(ai_api_request_duration_seconds_bucket[5m])) by (le)) * 1000",
            "legendFormat": "P50"
          },
          {
            "expr": "histogram_quantile(0.95, sum(rate(ai_api_request_duration_seconds_bucket[5m])) by (le)) * 1000",
            "legendFormat": "P95"
          },
          {
            "expr": "histogram_quantile(0.99, sum(rate(ai_api_request_duration_seconds_bucket[5m])) by (le)) * 1000",
            "legendFormat": "P99"
          }
        ],
        "fieldConfig": {
          "defaults": {
            "unit": "ms",
            "custom": {
              "lineWidth": 2,
              "fillOpacity": 10
            }
          }
        }
      },
      {
        "title": "Requests by Status Code",
        "type": "piechart",
        "gridPos": {"x": 18, "y": 0, "w": 6, "h": 8},
        "targets": [
          {
            "expr": "sum(increase(ai_api_requests_total[1h])) by (status_code)",
            "legendFormat": "{{status_code}}"
          }
        ]
      },
      {
        "title": "Error Rate Over Time",
        "type": "timeseries",
        "gridPos": {"x": 0, "y": 8, "w": 12, "h": 8},
        "targets": [
          {
            "expr": "sum(rate(ai_api_errors_by_type[5m])) by (error_type)",
            "legendFormat": "{{error_type}}"
          }
        ]
      },
      {
        "title": "Active Requests",
        "type": "stat",
        "gridPos": {"x": 12, "y": 8, "w": 6, "h": 8},
        "targets": [
          {
            "expr": "sum(ai_api_active_requests)",
            "legendFormat": "Current"
          }
        ]
      }
    ],
    "refresh": "10s",
    "time": {
      "from": "now-1h",
      "to": "now"
    }
  }
}

Setting Up Slack/Email Alert Notifications

Configure Prometheus Alertmanager to send notifications when alerts fire:

# alertmanager.yml
global:
  resolve_timeout: 5m

route:
  group_by: ['alertname', 'service']
  group_wait: 10s
  group_interval: 10s
  repeat_interval: 12h
  receiver: 'default-receiver'
  routes:
    - match:
        severity: critical
      receiver: 'critical-alerts'
      group_wait: 0s
    - match:
        severity: warning
      receiver: 'warning-alerts'

receivers:
  - name: 'default-receiver'
    slack_configs:
      - channel: '#alerts-general'
        api_url: 'YOUR_SLACK_WEBHOOK_URL'
        title: 'HolySheep API Alert'
        text: |
          {{ range .Alerts }}
          *Alert:* {{ .Annotations.summary }}
          *Severity:* {{ .Labels.severity }}
          *Description:* {{ .Annotations.description }}
          *Time:* {{ .StartsAt.Format "2006-01-02 15:04:05 MST" }}
          {{ if .Annotations.runbook_url }}
          *Runbook:* {{ .Annotations.runbook_url }}
          {{ end }}
          {{ end }}

  - name: 'critical-alerts'
    slack_configs:
      - channel: '#alerts-critical'
        api_url: 'YOUR_SLACK_WEBHOOK_URL'
        title: '🚨 CRITICAL: HolySheep API'
        text: |
          🚨 *CRITICAL ALERT*
          *Alert:* {{ .Alerts.First.Annotations.summary }}
          *Service:* {{ .Alerts.First.Labels.service }}
          *Current Value:* {{ .Alerts.First.Annotations.description }}
        webhook_configs:
          - url: 'YOUR_PAGERDUTY_WEBHOOK_URL'
            send_resolved: true

  - name: 'warning-alerts'
    email_configs:
      - to: '[email protected]'
        from: '[email protected]'
        smarthost: 'smtp.gmail.com:587'
        auth_username: '[email protected]'
        auth_password: 'YOUR_APP_PASSWORD'
        send_resolved: true

inhibit_rules:
  - source_match:
      severity: 'critical'
    target_match:
      severity: 'warning'
    equal: ['alertname', 'service']

Real-Time Dashboard with FastAPI

Build a FastAPI application that exposes real-time monitoring endpoints for your HolySheep integration:

from fastapi import FastAPI, HTTPException
from fastapi.middleware.cors import CORSMiddleware
from pydantic import BaseModel
from typing import List, Optional
import httpx
import time
from datetime import datetime

app = FastAPI(title="HolySheep AI Monitor", version="1.0.0")

app.add_middleware(
    CORSMiddleware,
    allow_origins=["*"],
    allow_credentials=True,
    allow_methods=["*"],
    allow_headers=["*"],
)

Store metrics in memory (use Redis for production)

metrics_store = { "requests": [], "errors": [], "latencies": [] } class ChatRequest(BaseModel): model: str messages: List[dict] temperature: float = 0.7 max_tokens: Optional[int] = None class MonitoringStats(BaseModel): total_requests: int success_rate: float avg_latency_ms: float p95_latency_ms: float error_count: int requests_last_hour: int @app.post("/v1/chat/completions") async def chat_completions(request: ChatRequest): """ Proxy to HolySheep AI with monitoring. """ start_time = time.time() async with httpx.AsyncClient(timeout=60.0) as client: try: response = await client.post( "https://api.holysheep.ai/v1/chat/completions", headers={"Authorization": f"Bearer {request.api_key}"}, json=request.dict(exclude={"api_key"} if hasattr(request, "api_key") else {}) ) latency_ms = (time.time() - start_time) * 1000 # Record metrics metrics_store["requests"].append({ "timestamp": datetime.utcnow(), "latency_ms": latency_ms, "status_code": response.status_code, "model": request.model, "success": 200 <= response.status_code < 300 }) # Keep only last 10000 requests if len(metrics_store["requests"]) > 10000: metrics_store["requests"] = metrics_store["requests"][-5000:] if response.status_code >= 400: metrics_store["errors"].append({ "timestamp": datetime.utcnow(), "status_code": response.status_code, "model": request.model }) response.raise_for_status() return response.json() except httpx.HTTPStatusError as e: metrics_store["errors"].append({ "timestamp": datetime.utcnow(), "status_code": e.response.status_code, "error": str(e) }) raise HTTPException( status_code=e.response.status_code, detail=e.response.text ) @app.get("/stats", response_model=MonitoringStats) async def get_monitoring_stats(): """ Get current monitoring statistics for HolySheep API. """ requests = metrics_store["requests"] now = datetime.utcnow() # Filter last hour recent_requests = [ r for r in requests if (now - r["timestamp"]).total_seconds() < 3600 ] if not recent_requests: return MonitoringStats( total_requests=0, success_rate=100.0, avg_latency_ms=0.0, p95_latency_ms=0.0, error_count=0, requests_last_hour=0 ) successful = sum(1 for r in recent_requests if r["success"]) latencies = [r["latency_ms"] for r in recent_requests] latencies.sort() return MonitoringStats( total_requests=len(requests), success_rate=(successful / len(recent_requests)) * 100, avg_latency_ms=sum(latencies) / len(latencies), p95_latency_ms=latencies[int(len(latencies) * 0.95)] if latencies else 0, error_count=len(metrics_store["errors"]), requests_last_hour=len(recent_requests) ) @app.get("/health") async def health_check(): """Health check endpoint for load balancers.""" return {"status": "healthy", "service": "holysheep-monitor"} if __name__ == "__main__": import uvicorn uvicorn.run(app, host="0.0.0.0", port=8000)

Cost Monitoring and Budget Alerts

Track your HolySheep AI spending to avoid unexpected bills. The pricing is straightforward—GPT-4.1 at $8/MTok, Claude Sonnet 4.5 at $15/MTok, Gemini 2.5 Flash at $2.50/MTok, and DeepSeek V3.2 at $0.42/MTok. Here's how to monitor consumption:

import httpx
from datetime import datetime, timedelta
from typing import Dict, List
import json


class HolySheepCostTracker:
    """
    Track and alert on HolySheep AI API costs.
    Pricing (2026):
    - GPT-4.1: $8.00/MTok
    - Claude Sonnet 4.5: $15.00/MTok
    - Gemini 2.5 Flash: $2.50/MTok
    - DeepSeek V3.2: $0.42/MTok
    """
    
    PRICING = {
        "gpt-4.1": 8.00,
        "gpt-4-turbo": 10.00,
        "claude-sonnet-4.5": 15.00,
        "claude-opus-3": 75.00,
        "gemini-2.5-flash": 2.50,
        "gemini-2.0-pro": 7.00,
        "deepseek-v3.2": 0.42,
    }
    
    def __init__(self, api_key: str):
        self.api_key = api_key
        self.client = httpx.Client(
            base_url="https://api.holysheep.ai/v1",
            headers={"Authorization": f"Bearer {api_key}"}
        )
        self.usage_records = []
        
    def estimate_cost(self, model: str, input_tokens: int, output_tokens: int) -> float:
        """Calculate estimated cost for a request."""
        price_per_mtok = self.PRICING.get(model, 10.00)
        
        # Input tokens cost (30% of price typically)
        input_cost = (input_tokens / 1_000_000) * (price_per_mtok * 0.3)
        
        # Output tokens cost (70% of price typically)
        output_cost = (output_tokens / 1_000_000) * (price_per_mtok * 0.7)
        
        return input_cost + output_cost
    
    def check_budget_alerts(
        self,
        daily_limit: float = 100.0,
        monthly_limit: float = 2000.0
    ) -> Dict[str, any]:
        """
        Check if spending exceeds defined budgets.
        Returns alert status and current estimates.
        """
        today = datetime.utcnow().date()
        month_start = today.replace(day=1)
        
        # Filter records by date
        daily_spend = sum(
            r.get("cost", 0) for r in self.usage_records
            if r.get("date", today) == today
        )
        
        monthly_spend = sum(
            r.get("cost", 0) for r in self.usage_records
            if r.get("date", month_start) >= month_start
        )
        
        alerts = []
        
        # Daily budget check (50% threshold triggers warning)
        if daily_spend >= daily_limit * 0.5:
            alerts.append({
                "level": "warning",
                "message": f"Daily spend at {daily_spend:.2f} (limit: ${daily_limit})"
            })
            
        if daily_spend >= daily_limit:
            alerts.append({
                "level": "critical",
                "message": f"DAILY BUDGET EXCEEDED: ${daily_spend:.2f}"
            })
            
        # Monthly budget check (80% threshold triggers warning)
        if monthly_spend >= monthly_limit * 0.8:
            alerts.append({
                "level": "warning",
                "message": f"Monthly spend at {monthly_spend:.2f} (limit: ${monthly_limit})"
            })
            
        return {
            "daily_spend": daily_spend,
            "daily_limit": daily_limit,
            "monthly_spend": monthly_spend,
            "monthly_limit": monthly_limit,
            "alerts": alerts,
            "status": "exceeded" if any(a["level"] == "critical" for a in alerts) else "ok"
        }


Slack webhook for budget alerts

def send_budget_alert(webhook_url: str, alert_data: Dict): """Send budget alert to Slack channel.""" import json payload = { "blocks": [ { "type": "header", "text": { "type": "plain_text", "text": f"💰 HolySheep Budget Alert: {alert_data['status'].upper()}" } }, { "type": "section", "fields": [ {"type": "mrkdwn", "text": f"*Daily Spend:*\n${alert_data['daily_spend']:.2f}"}, {"type": "mrkdwn", "text": f"*Daily Limit:*\n${alert_data['daily_limit']:.2f}"}, {"type": "mrkdwn", "text": f"*Monthly Spend:*\n${alert_data['monthly_spend']:.2f}"}, {"type": "mrkdwn", "text": f"*Monthly Limit:*\n${alert_data['monthly_limit']:.2f}"} ] }, { "type": "section", "text": { "type": "mrkdwn", "text": "*Alerts:*\n" + "\n".join( f"• {a['message']}" for a in alert_data['alerts'] ) } } ] } with httpx.Client() as client: client.post(webhook_url, json=payload)

Usage

tracker = HolySheepCostTracker(api_key="YOUR_HOLYSHEEP_API_KEY")

Estimate costs before making requests

cost = tracker.estimate_cost("gpt-4.1", input_tokens=500, output_tokens=200) print(f"Estimated cost for request: ${cost:.4f}")

Check budget status

budget_status = tracker.check_budget_alerts( daily_limit=100.0, monthly_limit=2000.0 ) print(f"Budget status: {budget_status['status']}")

Common Errors and Fixes

1. HTTP 429 Too Many Requests

Error: httpx.HTTPStatusError: 429 Server Error: Too Many Requests

Cause: Rate limit exceeded. HolySheep AI enforces request limits to ensure fair usage across all users.

Solution: Implement exponential backoff with jitter and respect retry-after headers:

import asyncio
import httpx
import random


async def resilient_request_with_backoff(
    client: httpx.AsyncClient,
    url: str,
    payload: dict,
    max_retries: int = 5,
    base_delay: float = 1.0
):
    """
    Make requests with exponential backoff and jitter.
    Handles 429 rate limit errors gracefully.
    """
    for attempt in range(max_retries):
        try:
            response = await client.post(url, json=payload)
            
            if response.status_code == 429:
                # Get retry-after header or use exponential backoff
                retry_after = response.headers.get("retry-after")
                
                if retry_after:
                    delay = float(retry_after)
                else:
                    # Exponential backoff: 1s, 2s, 4s, 8s, 16s
                    delay = base_delay * (2 ** attempt)
                    
                # Add jitter (±25% randomness)
                jitter = delay * 0.25 * (2 * random.random() - 1)
                delay = delay + jitter
                
                print(f"Rate limited. Retrying in {delay:.2f}s (attempt {attempt + 1}/{max_retries})")
                await asyncio.sleep(delay)
                continue
                
            response.raise_for_status()
            return response.json()
            
        except httpx.HTTPStatusError as e:
            if e.response.status_code >= 500 and attempt < max_retries - 1:
                delay = base_delay * (2 ** attempt)
                print(f"Server error {e.response.status_code}. Retrying in {delay:.2f}s")
                await asyncio.sleep(delay)
                continue
            raise
            
    raise Exception(f"Failed after {max_retries} retries")

2. Connection Timeout Errors

Error: httpx.ConnectTimeout: Connection timeout or httpx.ReadTimeout: Read timeout

Cause: Network connectivity issues or the HolySheep API taking too long to respond.

Solution: Configure appropriate timeouts and add connection pooling:

# Proper timeout configuration
client = httpx.Client(
    timeout=httpx.Timeout(
        connect=10.0,    # 10s to establish connection
        read=60.0,       # 60s to read response
        write=10.0,      # 10s to send request
        pool=30.0        # 30s for connection from pool
    ),
    limits=httpx.Limits(
        max_keepalive_connections=20,
        max_connections=100,
        keepalive_expiry=30.0
    )
)

Alternative: Use async client with proper error handling

async def safe_api_call(): try: async with httpx.AsyncClient( timeout=httpx.Timeout(60.0, connect=10.0) ) as client: response = await client.post( "https://api.holysheep.ai/v1/chat/completions", headers={"Authorization": f"Bearer {api_key}"}, json={"model": "gpt-4.1", "messages": [{"role": "user", "content": "test"}]} ) return response.json() except httpx.TimeoutException as e: print(f"Timeout error: {e}") # Fallback to cached response or queue for retry return {"error": "timeout", "fallback": True} except httpx.ConnectError as e: print(f"Connection error: {e}") # Check DNS, firewall, or VPN issues return {"error": "connection_failed", "fallback": True}

3. Invalid API Key or Authentication Errors

Error: httpx.HTTPStatusError: 401 Unauthorized

Cause: Invalid, expired, or malformed API key.

Solution: Validate API key format and implement proper key rotation:

# API key validation and rotation
class HolySheepKeyManager:
    """
    Manage multiple API keys with automatic rotation.
    Keys are rotated when error rate exceeds threshold.