Based on the comprehensive documentation provided, we have divided the implementation into six distinct, independent modules. Each module corresponds to specific aspects of the ad setup process using the Facebook Marketing API. The modules are designed to be developed and tested independently, ensuring full coverage of all functionalities. Below is a detailed breakdown of each module, including all tasks and features to be built.

1. Authentication and Setup Module
Purpose: Establish secure and reliable communication with the Facebook Marketing API, handling authentication, API client initialization, and error handling related to API access.

Tasks and Features:

API Authentication:

Obtain Access Tokens:
Retrieve and securely store necessary tokens (App Token, User Token, Page Token).
Handle token generation using OAuth flows.
Token Refresh Mechanism:
Implement automatic token refreshing before expiration.
Securely store refreshed tokens.
API Client Initialization:

Set Up API Client Libraries:
Install and configure the Facebook SDK or appropriate HTTP client.
Initialize the API client with the access tokens.
API Versioning:
Ensure compatibility with the latest Facebook Marketing API version.
Implement version control to handle API updates.
Error Handling for Authentication:

Invalid Token Handling:
Detect and handle invalid or expired tokens.
Provide meaningful error messages and prompt re-authentication if necessary.
Permission Checks:
Verify that the tokens have the required permissions (scopes) for all planned operations.
Handle insufficient permission errors gracefully.
API Rate Limiting and Throttling:

Monitor API Usage:
Track API call counts to prevent exceeding rate limits.
Implement Exponential Backoff:
Retry failed requests due to rate limits with appropriate delays.
Log incidents of rate limiting for performance monitoring.
Sandbox Environment Setup:

Configure Testing Environment:
Set up Facebook's Sandbox mode for development and testing.
Ensure that sandbox data is isolated from production data.
Test Credentials Management:
Manage separate tokens and credentials for the sandbox environment.
Compliance with Data Privacy Regulations:

GDPR and CCPA Compliance:
Implement data handling procedures to comply with privacy laws.
Provide mechanisms for users to request data deletion or access.
User Data Protection:
Encrypt sensitive data in transit and at rest.
Limit data access based on roles and permissions.
Logging and Monitoring:

Authentication Logs:
Record all authentication attempts and outcomes.
API Call Logging:
Log API requests and responses for auditing and debugging purposes.
Security Monitoring:
Set up alerts for suspicious activities, such as repeated failed authentication attempts.
2. Campaign Creation Module
Purpose: Automate the creation of ad campaigns, defining high-level objectives, budget strategies, and ensuring advanced configurations are in place.

Tasks and Features:

Campaign Setup:

Create Campaign via API:
Implement API calls to create campaigns.
Capture and store campaign_id for reference.
Set Marketing Objectives:
Define objectives (e.g., BRAND_AWARENESS, LINK_CLICKS, CONVERSIONS).
Handle objective-specific configurations.
Define Buying Type:
Set buying type to AUCTION or RESERVED.
Set Campaign Status:
Initialize status (ACTIVE, PAUSED) based on launch readiness.
Budget Optimization Settings:

Campaign Budget Optimization (CBO):
Enable or disable CBO.
Specify budget amounts (daily_budget, lifetime_budget).
Bid Strategies:
Set bid strategy (LOWEST_COST, TARGET_COST).
Configure spend caps and bid caps if required.
Special Ad Categories:

Compliance Configuration:
Identify if the campaign falls under special categories (e.g., housing, employment).
Set special_ad_category accordingly to comply with policies.
Campaign Spend Limits and Labels:

Set Spend Limits:
Define maximum spend limits for the campaign.
Apply Labels:
Tag campaigns with labels for organization and reporting purposes.
Advanced Campaign Configurations:

Brand Lift Studies:
Implement brand lift study settings if eligible.
Configure necessary parameters to measure campaign impact.
Split Tests (A/B Testing):
Set up split tests for different variables (e.g., audiences, creatives).
Define test parameters and success criteria.
Collaborative Ads:
Configure collaborative ads for eCommerce partnerships.
Link the campaign to product catalogs and partner data.
Campaign Naming Conventions and Hierarchy:

Standardized Naming:
Implement a consistent naming convention (e.g., Objective-Audience-Date).
Campaign Grouping:
Organize campaigns hierarchically for multi-brand or regional management.
Error Handling and Validation:

Input Validation:
Verify all required campaign parameters before API submission.
Check for conflicts and invalid combinations.
API Response Handling:
Handle errors returned by the API.
Implement retries for transient errors.
Logging and Monitoring:

Campaign Creation Logs:
Log successful campaign creations and any errors.
Performance Monitoring:
Record initial campaign metrics for baseline performance.
3. Ad Set Creation Module
Purpose: Define ad sets within campaigns, specifying targeting, placements, budgeting, scheduling, and advanced optimizations.

Tasks and Features:

Ad Set Setup:

Create Ad Sets via API:
Use campaign_id to associate ad sets with campaigns.
Capture and store ad_set_id for reference.
Set Ad Set Status:
Initialize status (ACTIVE, PAUSED).
Audience Targeting:

Location Targeting:
Specify geographic locations (countries, cities, zip codes).
Implement radius targeting and geo-fencing.
Demographics:
Set age ranges and gender preferences.
Interests and Behaviors:
Target based on interests, behaviors, demographics.
Layer multiple targeting criteria.
Custom and Lookalike Audiences:
Utilize custom audiences from CRM data.
Create and apply lookalike audiences.
Audience Exclusions:
Exclude specific groups (e.g., existing customers).
Cross-Platform Audience Syncing:
Sync audiences across Facebook, Instagram, and partner networks.
Placements:

Automatic vs. Manual Placements:
Choose between automatic placements or manual selection.
Granular Placement Options:
Select specific placements (e.g., Feeds, Stories, In-Stream videos).
Exclude placements as necessary.
Placement-Specific Bids:
Set individual bids for different placements if required.
Budget and Scheduling:

Budget Allocation:
Define daily_budget or lifetime_budget for the ad set.
Implement flexible budget controls.
Scheduling:
Set start and end dates.
Schedule ads for specific times of day.
Bid Control and Cost Caps:
Set maximum bids or cost caps for optimization.
Event Pacing:
Control delivery pacing for time-sensitive events.
Optimization & Delivery:

Optimization Goals:
Define optimization goals (e.g., CONVERSIONS, CLICKS).
Billing Events:
Specify billing events (IMPRESSIONS, CLICKS).
Attribution Settings:
Set custom attribution windows (e.g., 1-day click, 7-day view).
Promoted Objects:
Define necessary promoted objects (e.g., app ID for app installs).
Frequency Caps:
Set limits on how often ads are shown to the same user.
Dynamic Creative:
Enable dynamic creative optimization if desired.
Advanced Ad Set Configurations:

Lookalike Expansion:
Allow Facebook to broaden the audience for better performance.
Dynamic Ads for eCommerce:
Configure dynamic ads using product catalogs.
Set up creative rules for dynamic assets.
Placement-Specific Controls:
Adjust settings for the Audience Network, if used.
Geo-Targeting Nuances:
Utilize inclusion/exclusion areas for precise targeting.
Ad Set Naming and Labels:

Standardized Naming:
Apply consistent naming conventions for ad sets.
Ad Labels:
Use labels for organization and performance tracking.
Error Handling and Validation:

Input Validation:
Check for required fields and correct values.
API Response Handling:
Manage errors and implement retries when appropriate.
Logging and Monitoring:

Ad Set Creation Logs:
Record successful ad set creations and any errors.
Performance Baseline Recording:
Capture initial metrics for optimization reference.
4. Ad Creation Module
Purpose: Create ads with defined creatives, messaging, and tracking, ensuring they align with ad sets and campaign objectives.

Tasks and Features:

Ad Setup:

Create Ads via API:
Associate ads with ad_set_id.
Capture and store ad_id for reference.
Set Ad Status:
Initialize status (ACTIVE, PAUSED).
Creative Assets:

Ad Formats:
Support multiple formats: SINGLE_IMAGE, VIDEO, CAROUSEL, SLIDESHOW.
Media Management:
Upload and manage images, videos, and other media assets.
Ensure assets meet Facebook’s specifications (size, format).
Adaptive Creative Formats:
Enable automatic adjustments for different placements.
Asset Customization per Placement:
Customize creatives for specific placements (e.g., Stories, Feeds).
Ad Copy and CTAs:

Headlines and Texts:
Define primary text, headlines, and descriptions.
Implement multiple variations for testing.
Call-to-Action Buttons:
Select appropriate CTAs (LEARN_MORE, SHOP_NOW, SIGN_UP).
Customize per ad format and objective.
Destination and URLs:

Define Destinations:
Set website URLs, deep links for apps, or Messenger links.
URL Parameters:
Append tracking parameters to URLs for analytics.
Landing Page View Optimization:
Optimize for LANDING_PAGE_VIEW to ensure page loads.
Tracking and Pixels:

Facebook Pixel Integration:
Add the pixel to landing pages for conversion tracking.
Configure standard and custom events.
Advanced Matching:
Enable advanced matching to improve tracking accuracy.
Other Tracking Solutions:
Integrate third-party tracking pixels if required.
Advanced Ad Configurations:

Dynamic Creative Optimization:
Enable dynamic creative to test asset combinations.
Set rules for dynamic assets based on performance.
Multiple Language Variants:
Implement translations for different languages.
Configure language-specific targeting.
Carousel Ad Specifics:
Set up individual cards with unique images, headlines, and links.
Interactive Elements:
Add polls, stickers, or playable ads for engagement.
Ad Sequencing (Storytelling):
Configure sequential ads for storytelling.
Set up multi-stage retargeting based on user interaction.
Ad Naming and Labels:

Standardized Naming:
Apply consistent naming conventions for ads.
Ad Labels:
Use labels to organize ads and facilitate reporting.
Error Handling and Validation:

Input Validation:
Ensure all creative elements meet platform requirements.
API Response Handling:
Handle errors, such as disapproved ads or asset issues.
Logging and Monitoring:

Ad Creation Logs:
Record successful ad creations and any errors.
Performance Monitoring:
Track initial ad performance metrics.
5. Monitoring and Optimization Module
Purpose: Implement ongoing monitoring of campaigns, ad sets, and ads to optimize performance through data-driven adjustments and automated rules.

Tasks and Features:

Real-Time Performance Tracking:

Data Collection Mechanism:
Set up API calls to retrieve performance metrics.
Collect data on CTR, CPC, CPM, Conversions, ROAS.
Custom KPI Dashboards:
Build dashboards to visualize performance data.
Include segmentation by demographics, placements, etc.
Automated Reporting:

Schedule Reports:
Automate daily, weekly, or custom interval reporting.
Segmented Reports:
Generate reports for specific audience segments or ad variations.
Alerts and Notifications:
Configure alerts for key metric thresholds (e.g., low CTR).
Automated Rules and Adjustments:

Performance-Based Budget Adjustments:
Increase budgets for high-performing ads.
Decrease or pause underperforming ads.
Bid Optimization:
Adjust bids dynamically based on conversion rates.
Ad Rotation and Refresh:
Replace creatives experiencing ad fatigue.
Implement rules for creative refresh cycles.
Cross-Campaign Budget Optimization:

Global Budget Controls:
Manage overall budgets across all campaigns.
Redistribute budgets to maximize ROI.
Performance-Based Budget Allocation:
Allocate funds to campaigns with higher ROAS.
Testing and Experimentation Framework:

Automated A/B Testing:
Set up experiments for creatives, audiences, and placements.
Automatically rotate variables and collect data.
Dynamic Creative Testing:
Continuously test different asset combinations.
Optimize based on engagement and conversion metrics.
Audience Saturation Monitoring:

Frequency Cap Management:
Monitor ad frequency to prevent overexposure.
Audience Overlap Detection:
Identify and adjust for overlapping audiences between ad sets.
Error Handling and System Monitoring:

API Monitoring:
Detect and handle API errors during data retrieval.
Performance Anomalies Detection:
Identify unusual performance patterns and investigate causes.
Logging and Monitoring Enhancements:

Detailed Performance Logs:
Maintain logs of performance data over time.
Trend Analysis:
Analyze data to identify trends and inform strategy.
6. Compliance, Testing, and Finalization Module
Purpose: Ensure that the system complies with legal and platform policies, and that the final implementation is robust, tested, and ready for deployment.

Tasks and Features:

Compliance Monitoring and Enforcement:

Policy Adherence Checks:
Implement automated checks for Facebook’s advertising policies.
Special Ad Categories Compliance:
Enforce restrictions for special categories (e.g., housing).
Brand Safety Controls:
Apply inventory filters to avoid undesirable content associations.
Language and Content Filtering:
Ensure ads are shown only in appropriate languages and contexts.
Data Privacy and Legal Compliance:

GDPR and CCPA Measures:
Ensure user data handling complies with privacy laws.
Data Deletion Mechanisms:
Provide ways to delete user data upon request.
Consent Management:
Implement mechanisms to obtain and record user consents if necessary.
Error Management and Fallback Protocols:

Enhanced Error Handling:
Develop comprehensive error responses for API issues.
API Retry Logic:
Implement retry mechanisms with exponential backoff.
Handle transient network issues gracefully.
Testing and Staging Environment:

Sandbox Testing:
Thoroughly test all modules in the sandbox environment.
Test Cases and Scenarios:
Create and execute test cases covering all functionalities.
User Acceptance Testing (UAT):
Conduct UAT to ensure the system meets user requirements.
Continuous Integration and Deployment (CI/CD):

Pipeline Setup:
Implement CI/CD pipelines for automated testing and deployment.
Code Quality Checks:
Integrate linters, code analyzers, and unit tests.
Automated Builds and Deployments:
Automate the build and deployment process to production.
Code Maintenance and Updates:

API Version Updates:
Monitor Facebook API changes and update code accordingly.
Documentation and Commenting:
Maintain clear documentation of code and system architecture.
Modular Codebase:
Ensure the code is modular for ease of updates and maintenance.
Advanced Security Measures:

Secure Data Storage:
Protect sensitive data, such as tokens and personal information.
Access Control and Permissions:
Implement role-based access controls within the system.
Security Audits:
Regularly perform security assessments and address vulnerabilities.
Automated Compliance Checks and Rules:

Policy Violation Detection:
Set up automated scans for potential policy violations.
Auto-Pause Non-Compliant Ads:
Automatically pause ads that are flagged for compliance issues.
Compliance Reporting:
Generate reports on compliance status across campaigns.
Logging and Monitoring for Compliance:

Compliance Logs:
Record all compliance-related actions and checks.
Alert Mechanisms:
Set up notifications for compliance breaches or security incidents.
Each module is designed to be independent and self-contained, your task would be to code everything ensuring nothing and no feature misses out , and to ensure robustness each module's code should be atleast 400 lines