Top Harmful Speech Detection API alternatives in 2025

As we move into 2025, the demand for effective harmful speech detection APIs continues to rise. Organizations are increasingly focused on maintaining safe and respectful online environments, making it essential to explore the best alternatives to existing APIs. This blog post will delve into some of the top harmful speech detection API alternatives available in 2025, providing detailed insights into their features, capabilities, pricing, pros and cons, ideal use cases, and how they differ from other APIs.

Profanity Detection API

The Profanity Detection API is a robust tool designed to identify and flag offensive language in user-generated content. It employs advanced language understanding technology to detect a wide range of profanities, toxicities, and hate speech, including insults, threats, and identity-based hate. This API is particularly useful for organizations looking to manage user-generated content effectively.

Key Features and Capabilities

One of the standout features of the Profanity Detection API is the Profanity Analyzer. This feature detects profanities, toxicities, severe toxicities, obscene texts, insults, threats, and identity hate in a given text. It provides a comprehensive analysis of the language used, allowing organizations to take appropriate action against harmful content.

{"semantic_analysis":{"0":{"id_semantic_model":1,"name_semantic_model":"profanity_words","segment":"Cunt"},"1":{"id_semantic_model":2,"name_semantic_model":"toxic","segment":"Cunt"},"2":{"id_semantic_model":4,"name_semantic_model":"obscene","segment":"Cunt"}}}

This response structure includes fields such as id_semantic_model, name_semantic_model, and segment, which help developers understand the nature of the detected language. The segment field indicates the specific word or phrase identified as offensive, while the name_semantic_model provides context on the type of toxicity detected.

Pricing Details

While specific pricing details may vary, the Profanity Detection API typically offers tiered pricing based on usage, allowing organizations to choose a plan that fits their needs.

Pros and Cons

Pros of the Profanity Detection API include its comprehensive detection capabilities and ease of integration into existing platforms. However, some cons may include potential false positives and the need for continuous updates to maintain accuracy.

Ideal Use Cases

This API is ideal for moderating user-generated content on social media platforms, filtering offensive language in chatbots, and ensuring respectful communication in gaming communities and customer service interactions.

How It Differs from Other APIs

The Profanity Detection API stands out due to its advanced language understanding technology, which allows for more nuanced detection of harmful language compared to simpler keyword-based systems.

Ready to test the Profanity Detection API? Try the API playground to experiment with requests.

Offensive Text Detection API

The Offensive Text Detection API is designed to safeguard digital spaces by identifying and removing offensive content, promoting respectful communication and online safety. This API plays a crucial role in content moderation across various platforms.

Key Features and Capabilities

One of the primary features of this API is its ability to Detect Offensive Text. To use this feature, developers must specify a word or text in the parameter, allowing the API to analyze and categorize the content for potential offensiveness.

["Offensive text"]

The response consists of strings that directly indicate the offensive words or phrases found in the submitted text, enabling users to understand what content needs moderation.

Pricing Details

Pricing for the Offensive Text Detection API is generally structured around usage levels, making it accessible for various organizations.

Pros and Cons

Pros include its effectiveness in real-time content moderation and ease of integration. However, it may struggle with context-specific language, leading to occasional inaccuracies.

Ideal Use Cases

This API is particularly useful for moderating social media posts, filtering chat messages in real-time, and automating comment moderation on blogs and forums.

How It Differs from Other APIs

The Offensive Text Detection API focuses specifically on offensive language, making it a targeted solution compared to broader profanity detection tools.

Need help implementing the Offensive Text Detection API? View the integration guide for step-by-step instructions.

Inappropriate Text Detection API

The Inappropriate Text Detection API utilizes machine learning algorithms to automatically identify and flag potentially offensive or inappropriate content in text. This API is essential for maintaining safe and respectful online communication.

Key Features and Capabilities

The core feature of this API is its Detector, which allows users to pass any plain text to be examined for profanity. Users can also specify the sensitivity level of the detection, tailoring the API's performance to their specific needs.

{"profanities":[],"profanity_count":0,"server_reference":"web1","result":"success","response_timestamp":1733147849}

This response includes fields such as profanities, which lists any detected offensive terms, and profanity_count, indicating the number of profanities found. The result field confirms the success of the request, while response_timestamp provides a timestamp for the response.

Pricing Details

Pricing for the Inappropriate Text Detection API is typically based on usage, allowing organizations to select a plan that aligns with their content moderation needs.

Pros and Cons

Pros include its real-time analysis capabilities and customizable sensitivity settings. However, it may require fine-tuning to achieve optimal results in diverse contexts.

Ideal Use Cases

This API is ideal for monitoring social media posts, filtering in-game chat in gaming platforms, and ensuring respectful customer interactions in service communications.

How It Differs from Other APIs

The Inappropriate Text Detection API's machine learning approach allows for more accurate detection of contextually inappropriate content compared to simpler keyword-based systems.

Want to try the Inappropriate Text Detection API? Check out the API documentation to get started.

Inappropriate Content Detection API

The Inappropriate Content Detection API is designed to ensure the integrity of digital spaces by detecting and eliminating inappropriate content. This API is crucial for fostering respectful communication and enhancing online safety.

Key Features and Capabilities

The primary feature of this API is its ability to Detect Text. To utilize this feature, developers must specify a word or text in the parameter, allowing the API to analyze the content for potential offensiveness.

["Offensive text"]

The response provides information on the offensive language present in the submitted text, enabling users to implement moderation actions based on the identified content.

Pricing Details

Pricing for the Inappropriate Content Detection API is generally structured around usage levels, making it accessible for various organizations.

Pros and Cons

Pros include its effectiveness in identifying a wide range of inappropriate content. However, it may require ongoing adjustments to maintain accuracy as language evolves.

Ideal Use Cases

This API is particularly useful for content moderation across various digital platforms, ensuring that online spaces remain free of disrespectful and harmful content.

How It Differs from Other APIs

The Inappropriate Content Detection API focuses on a broader range of inappropriate language, making it a versatile tool for various applications.

Want to use the Inappropriate Content Detection API in production? Visit the developer docs for complete API reference.

Insult Detection API

The Insult Detection API is a powerful tool that identifies offensive language and insults in text, promoting respectful communication in online platforms. This API leverages advanced machine learning models to analyze and classify text effectively.

Key Features and Capabilities

The core feature of this API is its Toxicity Detection, which allows users to enter a word or text in the parameter for analysis.

{"toxic":0.78711975,"indecent":0.9892319,"threat":0.0083886795,"offensive":0.37052566,"erotic":0.14190358,"spam":0.08707619}

This response includes fields such as toxic, indecent, threat, offensive, erotic, and spam, each representing a score that indicates the level of toxicity in the text. Developers can use these scores to determine the appropriate moderation actions based on the content's toxicity level.

{"semantic_analysis":{"0":{"id_semantic_model":2,"name_semantic_model":"toxic","segment":"You idiot!"},"1":{"id_semantic_model":6,"name_semantic_model":"insult","segment":"You idiot!"},"2":{"id_semantic_model":7,"name_semantic_model":"identity_hate","segment":"You idiot!"},"3":{"id_semantic_model":6,"name_semantic_model":"insult","segment":"I will find where you live and kick you ass!"},"4":{"id_semantic_model":5,"name_semantic_model":"threat","segment":"I will find where you live and kick you ass!"}}}

{"original": "damn it", "censored": "**** it", "has_profanity": true}