diff --git a/README.md b/README.md
index 3b65577..6f3b544 100644
--- a/README.md
+++ b/README.md
@@ -29,7 +29,7 @@ Here is a full example that summarizes a text using Facebook's Bart Large CNN mo
 ```js
 const NLPCloudClient = require('nlpcloud');
 
-const client = new NLPCloudClient('bart-large-cnn','4eC39HqLyjWDarjtT1zdp7dc')
+const client = new NLPCloudClient({model:'bart-large-cnn', token:'4eC39HqLyjWDarjtT1zdp7dc'})
 
 client.summarization(`One month after the United States began what has become a 
   troubled rollout of a national COVID vaccination campaign, the effort is finally 
@@ -57,7 +57,7 @@ Here is a full example that does the same thing, but on a GPU:
 ```js
 const NLPCloudClient = require('nlpcloud');
 
-const client = new NLPCloudClient('bart-large-cnn','4eC39HqLyjWDarjtT1zdp7dc', true)
+const client = new NLPCloudClient({model:'bart-large-cnn', token:'4eC39HqLyjWDarjtT1zdp7dc'}, true)
 
 client.summarization(`One month after the United States began what has become a 
   troubled rollout of a national COVID vaccination campaign, the effort is finally 
@@ -85,7 +85,7 @@ Here is a full example that does the same thing, but on a French text:
 ```js
 const NLPCloudClient = require('nlpcloud');
 
-const client = new NLPCloudClient('bart-large-cnn','4eC39HqLyjWDarjtT1zdp7dc', true, 'fra_Latn')
+const client = new NLPCloudClient({model:'bart-large-cnn', token:'4eC39HqLyjWDarjtT1zdp7dc', gpu:true, lang:'fra_Latn'})
 
 client.summarization(`Sur des images aériennes, prises la veille par un vol de surveillance 
   de la Nouvelle-Zélande, la côte d’une île est bordée d’arbres passés du vert 
@@ -130,31 +130,31 @@ Your token can be retrieved from your [NLP Cloud dashboard](https://nlpcloud.io/
 ```js
 const NLPCloudClient = require('nlpcloud');
 
-const client = new NLPCloudClient('<model>','<your token>')
+const client = new NLPCloudClient({model:'<model>', token:'<your token>'})
 ```
 
-If you want to use a GPU, pass `true` as the 3rd argument.
+If you want to use a GPU, pass `true` as the gpu argument.
 
 ```js
 const NLPCloudClient = require('nlpcloud');
 
-const client = new NLPCloudClient('<model>', '<your token>', true)
+const client = new NLPCloudClient({model:'<model>', token:'<your token>', gpu:true})
 ```
 
-If you want to use the multilingual add-on in order to process non-English texts, set `lang='<your language code>'` as the 4th argument. For example, if you want to process French text, you should set `lang='fra_Latn'` as the 4th argument.
+If you want to use the multilingual add-on in order to process non-English texts, set `'<your language code>'` as the lang argument. For example, if you want to process French text, you should set `lang:'fra_Latn'`.
 
 ```js
 const NLPCloudClient = require('nlpcloud');
 
-const client = new NLPCloudClient('<model>', '<your token>', false, '<your language code>')
+const client = new NLPCloudClient({model:'<model>', token:'<your token>', lang:'<your language code>'})
 ```
 
-If you want to make asynchronous requests, pass `true` as the 4th argument.
+If you want to make asynchronous requests, pass `true` as the async argument.
 
 ```js
 const NLPCloudClient = require('nlpcloud');
 
-const client = new NLPCloudClient('<model>', '<your token>', false, '<your language code>', true)
+const client = new NLPCloudClient({model:'<model>', token:'<your token>', async:true)
 ```
 
 If you are making asynchronous requests, you will always receive a quick response containing a URL. You should then poll this URL with `asyncResult()` on a regular basis (every 10 seconds for example) in order to check if the result is available. Here is an example:
@@ -168,7 +168,7 @@ client.asyncResult('https://api.nlpcloud.io/v1/get-async-result/21718218-42e8-4b
 Call the `adGeneration()` method and pass the keywords you want to use to generate your ad or product description.
 
 ```js
-client.adGeneration(['keyword 1', 'keyword 2', ...])
+client.adGeneration({keywords:['keyword 1', 'keyword 2', ...]})
 ```
 
 ### Automatic Speech Recognition (Speech to Text) Endpoint
@@ -180,7 +180,7 @@ Call the `asr()` method and pass the following arguments:
 1. (Optional) `inputLanguage`: the language of your file as ISO code
 
 ```js
-client.asr('Your url')
+client.asr({url:'Your url'})
 ```
 
 ### Chatbot Endpoint
@@ -192,7 +192,7 @@ Call the `chatbot()` method and pass the following arguments:
 1. (Optional) `history` The history of your previous exchanges with the model
 
 ```js
-client.chatbot('<Your input>')
+client.chatbot({text:'<Your input>'})
 ```
 
 ### Classification Endpoint
@@ -204,7 +204,7 @@ Call the `classification()` method and pass the following arguments:
 1. (Optional) `multiClass` Whether the classification should be multi-class or not, as a boolean
 
 ```js
-client.classification('<Your block of text>', ['label 1', 'label 2', ...])
+client.classification({text:'<Your block of text>', labels:['label 1', 'label 2', ...]})
 ```
 
 ### Code Generation Endpoint
@@ -212,7 +212,7 @@ client.classification('<Your block of text>', ['label 1', 'label 2', ...])
 Call the `codeGeneration()` method and pass the instruction for the code you want to generate.
 
 ```js
-client.codeGeneration('<Your instruction>')
+client.codeGeneration({instruction:'<Your instruction>'})
 ```
 
 ### Dependencies Endpoint
@@ -220,7 +220,7 @@ client.codeGeneration('<Your instruction>')
 Call the `dependencies()` method and pass the text you want to perform part of speech tagging (POS) + arcs on.
 
 ```js
-client.dependencies('<Your block of text>')
+client.dependencies({text:'<Your block of text>'})
 ```
 
 ### Embeddings Endpoint
@@ -228,7 +228,7 @@ client.dependencies('<Your block of text>')
 Call the `embeddings()` method and pass an array of blocks of text that you want to extract embeddings from.
 
 ```js
-client.embeddings(['<Text 1>', '<Text 2>', '<Text 3>', ...])
+client.embeddings({sentences:['<Text 1>', '<Text 2>', '<Text 3>', ...]})
 ```
 
 The above command returns a JSON object.
@@ -238,7 +238,7 @@ The above command returns a JSON object.
 Call the `entities()` method and pass the text you want to perform named entity recognition (NER) on.
 
 ```js
-client.entities('<Your block of text>')
+client.entities({text:'<Your block of text>'})
 ```
 
 ### Generation Endpoint
@@ -260,7 +260,7 @@ Call the `generation()` method and pass the following arguments:
 1. (Optional) `removeEndSequence`: Optional. Whether you want to remove the `endSequence` string from the result. Defaults to false.
 
 ```js
-client.generation('<Your input text>')
+client.generation({text:'<Your input text>'})
 ```
 
 ### Grammar and Spelling Correction Endpoint
@@ -268,7 +268,7 @@ client.generation('<Your input text>')
 Call the `gsCorrection()` method and pass the text you want to correct.
 
 ```js
-client.gsCorrection('<The text you want to correct>')
+client.gsCorrection({text:'<The text you want to correct>'})
 ```
 
 ### Image Generation Endpoint
@@ -276,7 +276,7 @@ client.gsCorrection('<The text you want to correct>')
 Call the `imageGeneration()` method and pass the text you want to use to generate your image.
 
 ```js
-client.imageGeneration('<Your text instruction>')
+client.imageGeneration({text:'<Your text instruction>'})
 ```
 
 ### Intent Classification Endpoint
@@ -284,7 +284,7 @@ client.imageGeneration('<Your text instruction>')
 Call the `intentClassification()` method and pass the text you want to analyze in order to detect the intent.
 
 ```js
-client.intentClassification('<The text you want to analyze>')
+client.intentClassification({text:'<The text you want to analyze>'})
 ```
 
 ### Keywords and Keyphrases Extraction Endpoint
@@ -292,7 +292,7 @@ client.intentClassification('<The text you want to analyze>')
 Call the `kwKpExtraction()` method and pass the text you want to extract keywords and keyphrases from.
 
 ```js
-client.kwKpExtraction('<The text you want to analyze>')
+client.kwKpExtraction({text:'<The text you want to analyze>'})
 ```
 
 ### Language Detection Endpoint
@@ -300,7 +300,7 @@ client.kwKpExtraction('<The text you want to analyze>')
 Call the `langdetection()` method and pass the text you want to analyze in order to detect the languages.
 
 ```js
-client.langdetection('<The text you want to analyze>')
+client.langdetection({text:'<The text you want to analyze>'})
 ```
 
 ### Library Versions Endpoint
@@ -319,7 +319,7 @@ Call the `question()` method and pass the following:
 1. A context that the model will use to try to answer your question
 
 ```js
-client.question('<Your question>','<Your context>')
+client.question({question:'<Your question>', context:'<Your context>'})
 ```
 
 ### Semantic Search Endpoint
@@ -337,7 +337,7 @@ The above command returns a JSON object.
 Call the `semanticSimilarity()` method and pass an array made up of 2 blocks of text that you want to compare.
 
 ```python
-client.semanticSimilarity(['<Block of text 1>', '<Block of text 2>'])
+client.semanticSimilarity({sentences:['<Block of text 1>', '<Block of text 2>']})
 ```
 
 The above command returns a JSON object.
@@ -347,7 +347,7 @@ The above command returns a JSON object.
 Call the `sentenceDependencies()` method and pass a block of text made up of several sentences you want to perform POS + arcs on.
 
 ```js
-client.sentenceDependencies('<Your block of text>')
+client.sentenceDependencies({text:'<Your block of text>'})
 ```
 
 ### Sentiment Analysis Endpoint
@@ -355,7 +355,7 @@ client.sentenceDependencies('<Your block of text>')
 Call the `sentiment()` method and pass the text you want to analyze the sentiment of:
 
 ```js
-client.sentiment('<Your block of text>')
+client.sentiment({text:'<Your block of text>'})
 ```
 
 ### Speech Synthesis Endpoint
@@ -363,7 +363,7 @@ client.sentiment('<Your block of text>')
 Call the `speechSynthesis()` method and pass the text you want to convert to audio:
 
 ```js
-client.speechSynthesis("<Your block of text>")
+client.speechSynthesis({text:"<Your block of text>"})
 ```
 
 The above command returns a JSON object.
@@ -373,7 +373,7 @@ The above command returns a JSON object.
 Call the `summarization()` method and pass the text you want to summarize.
 
 ```js
-client.summarization('<Your text to summarize>')
+client.summarization({text:'<Your text to summarize>'})
 ```
 
 ### Paraphrasing Endpoint
@@ -381,7 +381,7 @@ client.summarization('<Your text to summarize>')
 Call the `paraphrasing()` method and pass the text you want to paraphrase.
 
 ```js
-client.paraphrasing('<Your text to paraphrase>')
+client.paraphrasing({text:'<Your text to paraphrase>'})
 ```
 
 ### Tokenization Endpoint
@@ -389,7 +389,7 @@ client.paraphrasing('<Your text to paraphrase>')
 Call the `tokens()` method and pass the text you want to tokenize.
 
 ```js
-client.tokens('<Your block of text>')
+client.tokens({text:'<Your block of text>'})
 ```
 
 ### Translation Endpoint
@@ -397,5 +397,5 @@ client.tokens('<Your block of text>')
 Call the `translation()` method and pass the text you want to translate.
 
 ```js
-client.translation('<Your text to translate>')
+client.translation({text:'<Your text to translate>'})
 ```
diff --git a/dist/index.d.ts b/dist/index.d.ts
index 33a6ca1..1d07029 100644
--- a/dist/index.d.ts
+++ b/dist/index.d.ts
@@ -1,20 +1,33 @@
 export = Client;
 declare class Client {
-    constructor(model: string, token: string, gpu?: boolean, lang?: string, asynchronous?: boolean);
+    constructor(params: {
+        model: string;
+        token: string; 
+        gpu?: boolean; 
+        lang?: string; 
+        async?: boolean;
+    });
     headers: {
         Authorization: string;
         'User-Agent': string;
     };
     rootURL: string;
 
-    adGeneration(keywords: string[]): Promise<{
+    adGeneration(params: {
+        keywords: string[]
+    }): Promise<{
         status: number;
         statusText: string;
         data: {
             generated_text: string;
         };
     }>;
-    asr(url?: string, encodedFile?: string, inputLanguage?: string): Promise<{
+
+    asr(params: {
+        url?: string, 
+        encodedFile?: string, 
+        inputLanguage?: string
+    }): Promise<{
         status: number;
         statusText: string;
         data: {
@@ -30,7 +43,10 @@ declare class Client {
             url: string;
         }
     }>;
-    asyncResult(url: string): Promise<{
+
+    asyncResult(params: {
+        url: string
+    }): Promise<{
         status: number;
         statusText: string;
         data: {
@@ -42,7 +58,12 @@ declare class Client {
             content: string;
         };
     }>;
-    chatbot(input: string, context: string, history: { input: string, response: string }[]): Promise<{
+
+    chatbot(params: {
+        input: string, 
+        context?: string, 
+        history?: { input: string, response: string }[]
+    }): Promise<{
         status: number;
         statusText: string;
         data: {
@@ -50,7 +71,12 @@ declare class Client {
             history: { input: string, response: string }[];
         };
     }>;
-    classification(text: string, labels: string[], multiClass?: boolean): Promise<{
+
+    classification(params: {
+        text: string,
+        labels?: string[],
+        multiClass?: boolean
+    }): Promise<{
         status: number;
         statusText: string;
         data: {
@@ -58,35 +84,49 @@ declare class Client {
             scores: number[];
         };
     }>;
-    codeGeneration(instruction: string): Promise<{
+
+    codeGeneration(params: {
+        instruction: string
+    }): Promise<{
         status: number;
         statusText: string;
         data: {
             generated_code: string;
         };
     }>;
-    dependencies(text: string): Promise<{
+
+    dependencies(params: {
+        text: string
+    }): Promise<{
         status: number;
         statusText: string;
         data: {
             words: { text: string, tag: string }[];
         };
     }>;
-    embeddings(text: string[]): Promise<{
+
+    embeddings(params: {
+        sentences: string[]
+    }): Promise<{
         status: number;
         statusText: string;
         data: {
             score: number[][];
         };
     }>;
-    entities(text: string, searchedEntity?: string): Promise<{
+
+    entities(params: {
+        text: string, 
+        searchedEntity?: string
+    }): Promise<{
         status: number;
         statusText: string;
         data: {
             entities: { start: number; end: number; type: string; text: string }[];
         };
     }>;
-    generation(text: string,
+
+    generation(params: {text: string,
         maxLength?: number,
         lengthNoInput?: boolean,
         endSequence?: string,
@@ -97,7 +137,8 @@ declare class Client {
         topP?: number,
         temperature?: number,
         repetitionPenalty?: number,
-        removeEndSequence?: boolean): Promise<{
+        removeEndSequence?: boolean
+    }): Promise<{
             status: number;
             statusText: string;
             data: {
@@ -106,7 +147,10 @@ declare class Client {
                 nb_generated_tokens: number;
             };
         }>;
-    gsCorrection(text: string): Promise<{
+
+    gsCorrection(params: {
+        text: string
+    }): Promise<{
         status: number;
         statusText: string;
         data: {
@@ -119,40 +163,56 @@ declare class Client {
             url: string;
         }
     }>;
-    imageGeneration(text: string): Promise<{
+
+    imageGeneration(params: {
+        text: string
+    }): Promise<{
         status: number;
         statusText: string;
         data: {
             url: string;
         };
     }>;
-    intentClassification(text: string): Promise<{
+
+    intentClassification(params: {
+        text: string
+    }): Promise<{
         status: number;
         statusText: string;
         data: {
             intent: string;
         };
     }>;
-    kwKpExtraction(text: string): Promise<{
+
+    kwKpExtraction(params: {
+        text: string
+    }): Promise<{
         status: number;
         statusText: string;
         data: {
             keywords_and_keyphrases: string[];
         };
     }>;
-    langdetection(text: string): Promise<{
+
+    langdetection(params: {
+        text: string
+    }): Promise<{
         status: number;
         statusText: string;
         data: {
             languages: any[];
         };
     }>;
+
     libVersions(): Promise<{
         status: number;
         statusText: string;
         data: any;
     }>;
-    paraphrasing(text: string): Promise<{
+
+    paraphrasing(params: {
+        text: string
+    }): Promise<{
         status: number;
         statusText: string;
         data: {
@@ -165,7 +225,11 @@ declare class Client {
             url: string;
         }
     }>;
-    question(context: string, question: string): Promise<{
+
+    question(params: {
+        context?: string,
+        question: string
+    }): Promise<{
         status: number;
         statusText: string;
         data: {
@@ -175,42 +239,62 @@ declare class Client {
             end: number;
         };
     }>;
-    semanticSearch(text: string, numResults: number): Promise<{
+
+    semanticSearch(params: {
+        text: string, 
+        numResults?: number
+    }): Promise<{
         status: number;
         statusText: string;
         data: {
             search_results: { score: number, text: string }[];
         };
     }>;
-    semanticSimilarity(sentences: string[]): Promise<{
+
+    semanticSimilarity(params: {
+        sentences: string[]
+    }): Promise<{
         status: number;
         statusText: string;
         data: {
             score: number;
         };
     }>;
-    sentenceDependencies(text: string): Promise<{
+
+    sentenceDependencies(params: {
+        text: string
+    }): Promise<{
         status: number;
         statusText: string;
         data: {
             sentence_dependencies: { sentence: string, dependencies: { words: { text: string, tag: string }[], arcs: { start: number, end: number, label: string, text: string, dir: string }[] } }[];
         };
     }>;
-    sentiment(text: string): Promise<{
+
+    sentiment(params: {
+        text: string
+    }): Promise<{
         status: number;
         statusText: string;
         data: {
             scored_labels: { label: string, score: number }[];
         };
     }>;
-    speechSynthesis(text: string, voice?: string): Promise<{
+    speechSynthesis(params: {
+        text: string,
+        voice?: string
+    }): Promise<{
         status: number;
         statusText: string;
         data: {
             url: string;
         };
     }>;
-    summarization(text: string, size?: string): Promise<{
+
+    summarization(params: {
+        text: string,
+        size?: string
+    }): Promise<{
         status: number;
         statusText: string;
         data: {
@@ -223,7 +307,12 @@ declare class Client {
             url: string;
         }
     }>;
-    translation(text: string, source: string, target: string): Promise<{
+
+    translation(params: {
+        text: string, 
+        source?: string, 
+        target: string
+    }): Promise<{
         status: number;
         statusText: string;
         data: {
diff --git a/index.js b/index.js
index 186da8e..cee67f4 100644
--- a/index.js
+++ b/index.js
@@ -4,7 +4,13 @@ const BASE_URL = 'https://api.nlpcloud.io'
 const API_VERSION = 'v1'
 
 class Client {
-  constructor(model, token, gpu = false, lang = '', asynchronous = false) {
+  constructor(params) {
+    var model = params.model
+    var token = params.token
+    var gpu = params.gpu ?? false
+    var lang = params.lang ?? ''
+    var async = params.async ?? false
+
     this.headers = {
       'Authorization': 'Token ' + token,
       'User-Agent': 'nlpcloud-javascript-client'
@@ -23,7 +29,7 @@ class Client {
       this.rootURL += 'gpu/'
     }
 
-    if (asynchronous) {
+    if (async) {
       this.rootURL += "async/"
     }
 
@@ -35,7 +41,9 @@ class Client {
   }
 
 
-  adGeneration(keywords) {
+  adGeneration(params) {
+    var keywords = params.keywords
+
     const payload = {
       'keywords': keywords
     };
@@ -43,7 +51,11 @@ class Client {
     return axios.post(this.rootURL + '/' + 'ad-generation', payload, { headers: this.headers })
   }
 
-  asr(url = null, encodedFile = null, inputLanguage = null) {
+  asr(params) {
+    var url = params.url ?? null
+    var encodedFile = params.encodedFile ?? null
+    var inputLanguage = params.inputLanguage ?? null
+
     const payload = {
       'url': url,
       'encoded_file': encodedFile,
@@ -53,11 +65,17 @@ class Client {
     return axios.post(this.rootURL + '/' + 'asr', payload, { headers: this.headers })
   }
 
-  asyncResult(url) {
+  asyncResult(params) {
+    var url = params.url
+
     return axios.get(url, { headers: this.headers })
   }
 
-  chatbot(input, context = null, history = null) {
+  chatbot(params) {
+    var input = params.input
+    var context = params.context ?? null
+    var history = params.history ?? null
+
     const payload = {
       'input': input,
       'context': context,
@@ -67,7 +85,11 @@ class Client {
     return axios.post(this.rootURL + '/' + 'chatbot', payload, { headers: this.headers })
   }
 
-  classification(text, labels = null, multiClass = null) {
+  classification(params) {
+    var text = params.text
+    var labels = params.labels ?? null
+    var multiClass = params.multiClass ?? null
+
     const payload = {
       'text': text,
       'labels': labels,
@@ -77,7 +99,9 @@ class Client {
     return axios.post(this.rootURL + '/' + 'classification', payload, { headers: this.headers })
   }
 
-  codeGeneration(instruction) {
+  codeGeneration(params) {
+    var instruction = params.instruction
+
     const payload = {
       'instruction': instruction
     };
@@ -85,7 +109,9 @@ class Client {
     return axios.post(this.rootURL + '/' + 'code-generation', payload, { headers: this.headers })
   }
 
-  dependencies(text) {
+  dependencies(params) {
+    var text = params.text
+
     const payload = {
       'text': text
     };
@@ -93,7 +119,9 @@ class Client {
     return axios.post(this.rootURL + '/' + 'dependencies', payload, { headers: this.headers })
   }
 
-  embeddings(sentences) {
+  embeddings(params) {
+    var sentences = params.sentences
+
     const payload = {
       'sentences': sentences
     };
@@ -101,7 +129,10 @@ class Client {
     return axios.post(this.rootURL + '/' + 'embeddings', payload, { headers: this.headers })
   }
 
-  entities(text, searchedEntity = null) {
+  entities(params) {
+    var text = params.text
+    var searchedEntity = params.searchedEntity ?? null
+
     const payload = {
       'text': text,
       'searched_entity': searchedEntity
@@ -110,11 +141,21 @@ class Client {
     return axios.post(this.rootURL + '/' + 'entities', payload, { headers: this.headers })
   }
 
-  generation(text, maxLength = null, lengthNoInput = null,
-    endSequence = null, removeInput = null, numBeams = null,
-    numReturnSequences = null, topK = null, topP = null,
-    temperature = null, repetitionPenalty = null, badWords = null, 
-    removeEndSequence = null) {
+  generation(params) {
+    var text = params.text
+    var maxLength = params.maxLength ?? null
+    var lengthNoInput = params.lengthNoInput ?? null
+    var endSequence = params.endSequence ?? null
+    var removeInput = params.removeInput ?? null
+    var numBeams = params.numBeams ?? null
+    var numReturnSequences = params.numReturnSequences ?? null
+    var topK = params.topK ?? null
+    var topP = params.topP ?? null
+    var temperature = params.temperature ?? null
+    var repetitionPenalty = params.repetitionPenalty ?? null
+    var badWords = params.badWords ?? null
+    var removeEndSequence = params.removeEndSequence ?? null
+
     const payload = {
       'text': text,
       'max_length': maxLength,
@@ -134,7 +175,9 @@ class Client {
     return axios.post(this.rootURL + '/' + 'generation', payload, { headers: this.headers })
   }
 
-  gsCorrection(text) {
+  gsCorrection(params) {
+    var text = params.text
+
     const payload = {
       'text': text
     };
@@ -142,7 +185,9 @@ class Client {
     return axios.post(this.rootURL + '/' + 'gs-correction', payload, { headers: this.headers })
   }
 
-  imageGeneration(text) {
+  imageGeneration(params) {
+    var text = params.text
+
     const payload = {
       'text': text
     };
@@ -150,7 +195,9 @@ class Client {
     return axios.post(this.rootURL + '/' + 'image-generation', payload, { headers: this.headers })
   }
 
-  intentClassification(text) {
+  intentClassification(params) {
+    var text = params.text
+
     const payload = {
       'text': text
     };
@@ -158,7 +205,9 @@ class Client {
     return axios.post(this.rootURL + '/' + 'intent-classification', payload, { headers: this.headers })
   }
 
-  kwKpExtraction(text) {
+  kwKpExtraction(params) {
+    var text = params.text
+
     const payload = {
       'text': text
     };
@@ -166,7 +215,9 @@ class Client {
     return axios.post(this.rootURL + '/' + 'kw-kp-extraction', payload, { headers: this.headers })
   }
 
-  langdetection(text) {
+  langdetection(params) {
+    var text = params.text
+
     const payload = {
       'text': text
     };
@@ -179,7 +230,9 @@ class Client {
     return axios.get(this.rootURL + '/' + 'versions', { headers: this.headers })
   }
 
-  paraphrasing(text) {
+  paraphrasing(params) {
+    var text = params.text
+
     const payload = {
       'text': text
     };
@@ -188,6 +241,9 @@ class Client {
   }
 
   question(question, context = null) {
+    var question = params.question
+    var context = params.context ?? null
+
     const payload = {
       'question': question,
       'context': context
@@ -196,7 +252,10 @@ class Client {
     return axios.post(this.rootURL + '/' + 'question', payload, { headers: this.headers })
   }
 
-  semanticSearch(text, numResults = null) {
+  semanticSearch() {
+    var text = params.text
+    var numResults = params.numResults ?? null
+
     const payload = {
       'text': text,
       'num_results': numResults
@@ -205,7 +264,9 @@ class Client {
     return axios.post(this.rootURL + '/' + 'semantic-search', payload, { headers: this.headers })
   }
 
-  semanticSimilarity(sentences) {
+  semanticSimilarity(params) {
+    var sentences  = params.sentences
+
     const payload = {
       'sentences': sentences
     };
@@ -213,7 +274,9 @@ class Client {
     return axios.post(this.rootURL + '/' + 'semantic-similarity', payload, { headers: this.headers })
   }
 
-  sentenceDependencies(text) {
+  sentenceDependencies(params) {
+    var text = params.text
+
     const payload = {
       'text': text
     };
@@ -221,7 +284,9 @@ class Client {
     return axios.post(this.rootURL + '/' + 'sentence-dependencies', payload, { headers: this.headers })
   }
 
-  sentiment(text) {
+  sentiment(params) {
+    var text = params.text
+
     const payload = {
       'text': text
     };
@@ -230,6 +295,9 @@ class Client {
   }
 
   speechSynthesis(text, voice = null) {
+    var text = params.text
+    var voice = params.voice ?? null
+
     const payload = {
       'text': text,
       'voice': voice
@@ -238,7 +306,10 @@ class Client {
     return axios.post(this.rootURL + '/' + 'speech-synthesis', payload, { headers: this.headers })
   }
 
-  summarization(text, size = null) {
+  summarization(params) {
+    var text = params.text
+    var size = params.size ?? null
+
     const payload = {
       'text': text,
       'size': size
@@ -247,7 +318,9 @@ class Client {
     return axios.post(this.rootURL + '/' + 'summarization', payload, { headers: this.headers })
   }
 
-  tokens(text) {
+  tokens(params) {
+    var text = params.text
+
     const payload = {
       'text': text
     };
@@ -255,7 +328,11 @@ class Client {
     return axios.post(this.rootURL + '/' + 'tokens', payload, { headers: this.headers })
   }
 
-  translation(text, source, target) {
+  translation(params) {
+    var text = params.text
+    var source = params.source ?? null
+    var target = params.target
+
     const payload = {
       'text': text,
       'source': source,
diff --git a/package-lock.json b/package-lock.json
index 2fb0919..5080a9b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,15 +1,15 @@
 {
   "name": "nlpcloud",
-  "version": "1.0.13",
+  "version": "1.0.48",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "nlpcloud",
-      "version": "1.0.13",
+      "version": "1.0.48",
       "license": "MIT",
       "dependencies": {
-        "axios": "^0.21.1"
+        "axios": "^0.21.4"
       },
       "devDependencies": {
         "typescript": "^4.4.3"
diff --git a/package.json b/package.json
index 98b0f06..d7db471 100644
--- a/package.json
+++ b/package.json
@@ -26,10 +26,10 @@
   },
   "homepage": "https://github.com/nlpcloud/nlpcloud-js#readme",
   "dependencies": {
-    "axios": "^0.21.1"
+    "axios": "^0.21.4"
   },
   "devDependencies": {
     "typescript": "^4.4.3"
   },
   "types": "./dist/index.d.ts"
-}
\ No newline at end of file
+}