> ## Documentation Index > Fetch the complete documentation index at: https://assembly-preview.mintlify.site/llms.txt > Use this file to discover all available pages before exploring further. # Entity Detection > The Entity Detection model lets you automatically identify and categorize key information in transcribed audio content. Here are a few examples of what you can detect: * Names of people * Organizations * Addresses * Phone numbers * Medical data * Social security numbers For the full list of entities that you can detect, see [Supported entities](#supported-entities). ### Supported languages Entity Detection is available in multiple languages. See [Supported languages](/docs/getting-started/supported-languages). ## Quickstart Enable Entity Detection by setting `entity_detection` to `true` in the transcription config. ```python Python theme={"system"} import assemblyai as aai aai.settings.api_key = "YOUR_API_KEY" # audio_file = "./local_file.mp3" audio_file = "https://assembly.ai/wildfires.mp3" config = aai.TranscriptionConfig(entity_detection=True) transcript = aai.Transcriber().transcribe(audio_file, config) for entity in transcript.entities: print(entity.text) print(entity.entity_type) print(f"Timestamp: {entity.start} - {entity.end}\n") ``` ```TypeScript TypeScript theme={"system"} import AssemblyAI from 'assemblyai' const client = new AssemblyAI({ apiKey: 'YOUR_API_KEY' }) // const audioFile = './local_file.mp3' const audioFile = 'https://assembly.ai/wildfires.mp3' const params = { audio: audioFile, entity_detection: true } const run = async () => { const transcript = await client.transcripts.transcribe(params) for (const entity of transcript.entities!) { console.log(entity.text) console.log(entity.entity_type) console.log(`Timestamp: ${entity.start} - ${entity.end}\n`) } } run() ``` ```Go Go theme={"system"} package main import ( "context" "fmt" aai "github.com/AssemblyAI/assemblyai-go-sdk" ) func main() { client := aai.NewClient("YOUR_API_KEY") // For local files see our Getting Started guides. audioURL := "https://assembly.ai/wildfires.mp3" ctx := context.Background() transcript, _ := client.Transcripts.TranscribeFromURL(ctx, audioURL, &aai.TranscriptOptionalParams{ EntityDetection: aai.Bool(true), }) for _, result := range transcript.Entities { fmt.Println(aai.ToString(result.Text)) fmt.Println(result.EntityType) fmt.Println("Timestamp:", aai.ToInt64(result.Start), "-", aai.ToInt64(result.End), ) } } ``` ```Java Java theme={"system"} import com.assemblyai.api.AssemblyAI; import com.assemblyai.api.resources.transcripts.types.*; public final class App { public static void main(String[] args) { AssemblyAI client = AssemblyAI.builder() .apiKey("YOUR_API_KEY") .build(); // For local files see our Getting Started guides. String audioUrl = "https://assembly.ai/wildfires.mp3"; var params = TranscriptOptionalParams.builder() .entityDetection(true) .build(); Transcript transcript = client.transcripts().transcribe(audioUrl, params); var entities = transcript.getEntities().get(); entities.forEach(entity -> { System.out.println(entity.getText()); System.out.println(entity.getEntityType()); System.out.println("Timestamp: " + entity.getStart() + " - " + entity.getEnd()); }); } } ``` ```C# C# theme={"system"} using AssemblyAI; using AssemblyAI.Transcripts; var client = new AssemblyAIClient("YOUR_API_KEY"); var transcript = await client.Transcripts.TranscribeAsync(new TranscriptParams { // For local files see our Getting Started guides. AudioUrl = "https://assembly.ai/wildfires.mp3", EntityDetection = true }); foreach (var entity in transcript.Entities!) { Console.WriteLine(entity.Text); Console.WriteLine(entity.EntityType); Console.WriteLine($"Timestamp: {entity.Start} - ${entity.End}\n"); } ``` ```Ruby Ruby theme={"system"} require 'assemblyai' client = AssemblyAI::Client.new(api_key: 'YOUR_API_KEY') # For local files see our Getting Started guides. audio_url = 'https://assembly.ai/wildfires.mp3' transcript = client.transcripts.transcribe( audio_url: audio_url, entity_detection: true ) transcript.entities.each do |entity| puts entity.text puts entity.entity_type printf("Timestamp: %d - %d\n\n", start: entity.start, end: entity.end_) end ``` ### Example output ```bash theme={"system"} Canada location Timestamp: 2548 - 3130 the US location Timestamp: 5498 - 6350 ... ``` ## API reference ### Request ```bash theme={"system"} curl https://api.assemblyai.com/v2/transcript \ --header "Authorization: YOUR_API_KEY" \ --header "Content-Type: application/json" \ --data '{ "audio_url": "YOUR_AUDIO_URL", "entity_detection": true }' ``` | Key | Type | Description | | ------------------ | ------- | ------------------------ | | `entity_detection` | boolean | Enable Entity Detection. | ### Response[​](#response "Direct link to Response") ``` { entities:[...] } ``` | Key | Type | Description | | ------------------------- | ------ | ------------------------------------------------------------------------------------------------ | | `entities` | array | An array of detected entities. | | `entities[i].entity_type` | string | The type of entity for the i-th detected entity. | | `entities[i].text` | string | The text for the i-th detected entity. | | `entities[i].start` | number | The starting time, in milliseconds, at which the i-th detected entity appears in the audio file. | | `entities[i].end` | number | The ending time, in milliseconds, for the i-th detected entity in the audio file. | The response also includes the request parameters used to generate the transcript. ## Supported entities The model is designed to automatically detect and classify various types of entities within the transcription text. The detected entities and their corresponding types is listed individually in the entities key of the response object, ordered by when they first appear in the transcript. | Entity name | Description | Example | | --------------------------- | -------------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------- | | `account_number` | Customer account or membership identification number | Policy No. 10042992; Member ID: HZ-5235-001 | | `banking_information` | Banking information, including account and routing numbers | | | `blood_type` | Blood type | O-, AB positive | | `credit_card_cvv` | Credit card verification code | CVV: 080 | | `credit_card_expiration` | Expiration date of a credit card | | | `credit_card_number` | Credit card number | | | `date` | Specific calendar date | December 18 | | `date_interval` | Broader time periods, including date ranges, months, seasons, years, and decades | 2020-2021; 5-9 May; January 1984 | | `date_of_birth` | Date of birth | Date of Birth: March 7,1961 | | `drivers_license` | Driver's license number. | DL# 356933-540 | | `drug` | Medications, vitamins, or supplements | Advil, Acetaminophen, Panadol | | `duration` | Periods of time, specified as a number and a unit of time | 8 months; 2 years | | `email_address` | Email address | [support@assemblyai.com](mailto:support@assemblyai.com) | | `event` | Name of an event or holiday | Olympics, Yom Kippur | | `filename` | Names of computer files, including the extension or filepath | Taxes/2012/brad-tax-returns.pdf | | `gender_sexuality` | Terms indicating gender identity or sexual orientation, including slang terms | female; bisexual; trans | | `healthcare_number` | Healthcare numbers and health plan beneficiary numbers | Policy No.: 5584-486-674-YM | | `injury` | Bodily injury | I broke my arm, I have a sprained wrist | | `ip_address` | Internet IP address, including IPv4 and IPv6 formats | 192.168.0.1 | | `language` | Name of a natural language | Spanish, French | | `location` | Any Location reference including mailing address, postal code, city, state, province, country, or coordinates. | Lake Victoria, 145 Windsor St., 90210 | | `marital_status` | Terms indicating marital status | Single; common-law; ex-wife; married | | `medical_condition` | Name of a medical condition, disease, syndrome, deficit, or disorder | chronic fatigue syndrome, arrhythmia, depression | | `medical_process` | Medical process, including treatments, procedures, and tests | heart surgery, CT scan | | `money_amount` | Name and/or amount of currency | 15 pesos, \$94.50 | | `nationality` | Terms indicating nationality, ethnicity, or race | American, Asian, Caucasian | | `number_sequence` | Numerical PII (including alphanumeric strings) that doesn't fall under other categories | | | `occupation` | Job title or profession | professor, actors, engineer, CPA | | `organization` | Name of an organization | CNN, McDonalds, University of Alaska, Northwest General Hospital | | `passport_number` | Passport numbers, issued by any country | PA4568332; NU3C6L86S12 | | `password` | Account passwords, PINs, access keys, or verification answers | 27%alfalfa, temp1234, My mother's maiden name is Smith | | `person_age` | Number associated with an age | 27, 75 | | `person_name` | Name of a person | Bob, Doug Jones, Dr. Kay Martinez, MD | | `phone_number` | Telephone or fax number | | | `physical_attribute` | Distinctive bodily attributes, including terms indicating race | I'm 190cm tall; He belongs to the Black students' association | | `political_affiliation` | Terms referring to a political party, movement, or ideology | Republican, Liberal | | `religion` | Terms indicating religious affiliation | Hindu, Catholic | | `statistics` | Medical statistics | 18%, 18 percent | | `time` | Expressions indicating clock times | 19:37:28; 10pm EST | | `url` | Internet addresses | [https://www.assemblyai.com/](https://www.assemblyai.com/) | | `us_social_security_number` | Social Security Number or equivalent | | | `username` | Usernames, login names, or handles | @AssemblyAI | | `vehicle_id` | Vehicle identification numbers (VINs), vehicle serial numbers, and license plate numbers | 5FNRL38918B111818; BIF7547 | | `zodiac_sign` | Names of Zodiac signs | Aries; Taurus | ## Frequently asked questions The model is capable of identifying entities with variations in spelling or formatting. However, the accuracy of the detection may depend on the severity of the variation or misspelling. No, the Entity Detection model doesn't support the detection of custom entity types. However, the model is capable of detecting a wide range of predefined entity types, including people, organizations, locations, dates, times, addresses, phone numbers, medical data, and banking information, among others. To improve the accuracy of the Entity Detection model, it's recommended to provide high-quality audio files with clear and distinct speech. In addition, it's important to ensure that the audio content is relevant to the use case and that the entities being detected are relevant to the intended analysis. Finally, it may be helpful to review and adjust the model's configuration parameters, such as the confidence threshold for entity detection, to optimize the results.