Grammar Checker

Check and correct grammar in text content using various AI models through the 1min.AI API. This endpoint provides automated grammar checking and correction for improving text quality and readability.

Available Models

The Grammar Checker API supports a wide range of AI models including:

Anthropic Models:

• claude-3-5-haiku-20241022 - Claude 3.5 Haiku
• claude-3-5-sonnet-20240620 - Claude 3.5 Sonnet
• claude-3-7-sonnet-20250219 - Claude 3.7 Sonnet
• claude-3-haiku-20240307 - Claude 3 Haiku
• claude-3-opus-20240229 - Claude 3 Opus
• claude-opus-4-20250514 - Claude 4 Opus
• claude-sonnet-4-20250514 - Claude 4 Sonnet

OpenAI Models:

• gpt-3.5-turbo - GPT-3.5
• gpt-4-turbo - GPT-4 Turbo
• gpt-4o-mini - GPT-4o Mini
• gpt-4o - GPT-4o
• gpt-4.1-nano - GPT-4.1 Nano
• gpt-4.1-mini - GPT-4.1 Mini
• gpt-4.1 - GPT-4.1
• gpt-5-nano - GPT-5 Nano
• gpt-5-mini - GPT-5 Mini
• gpt-5 - GPT-5
• gpt-5-chat-latest - GPT-5 Chat Latest
• o1-mini - GPT-o1 Mini
• o1-preview - GPT-o1 Preview
• o1 - GPT-o1
• o3-mini - GPT-o3 Mini
• o4-mini - GPT-o4 Mini

Google Models:

• gemini-1.0-pro - Gemini 1.0 Pro
• gemini-1.5-flash - Gemini 1.5 Flash
• gemini-1.5-pro - Gemini 1.5 Pro
• gemini-2.0-flash-lite - Gemini 2.0 Flash Lite
• gemini-2.0-flash - Gemini 2.0 Flash
• gemini-2.5-flash - Gemini 2.5 Flash
• gemini-2.5-pro - Gemini 2.5 Pro

Mistral Models:

• mistral-large-latest - Mistral Large 2
• mistral-small-latest - Mistral Small
• open-mistral-nemo - Mistral Open Nemo
• pixtral-12b - Mistral Pixtral 12B

Meta Models:

• meta/llama-2-70b-chat - LLaMA 2 70B
• meta/meta-llama-3-70b-instruct - LLaMA 3 70B
• meta/meta-llama-3.1-405b-instruct - LLaMA 3.1 405B
• meta/llama-4-maverick-instruct - LLaMA 4 Maverick Instruct
• meta/llama-4-scout-instruct - LLaMA 4 Scout Instruct

DeepSeek Models:

• deepseek-chat - Deepseek Chat
• deepseek-reasoner - Deepseek R1

xAI Models:

• grok-2 - Grok 2

Cohere Models:

• command - Command R

Request Parameters

All models share the same request structure:

Field Name	Type	Supported Value	Description	Required
type	text	GRAMMAR_CHECKER	Feature name	✔️
model	text	See available models	Model identifier	✔️
conversationId	text	GRAMMAR_CHECKER	Conversation ID	✔️
promptObject.prompt	string	This sentence have some grammar mistake that need to be fix by the AI model for better readability.	Text to check for grammar	✔️

Endpoint

POSThttps://api.1min.ai/api/features

Request Headers

Field	Value
API-KEY	<api-key>
Content-Type	application/json

Code Example

cURL

curl --location 'https://api.1min.ai/api/features' \
--header 'API-KEY: <api-key>' \
--header 'Content-Type: application/json' \
--data '{
"type": "GRAMMAR_CHECKER",
"model": "claude-3-5-sonnet-20240620",
"conversationId": "GRAMMAR_CHECKER",
"promptObject": {
  "prompt": "This sentence have some grammar mistake that need to be fix by the AI model for better readability."
}
}'

JavaScript

fetch('https://api.1min.ai/api/features', {
method: 'POST',
headers: {
  'Content-Type': 'application/json',
  'API-KEY': 'YOUR_API_KEY'
},
body: JSON.stringify({
  type: 'GRAMMAR_CHECKER',
  model: 'claude-3-5-sonnet-20240620',
  conversationId: 'GRAMMAR_CHECKER',
  promptObject: {
    prompt: 'This sentence have some grammar mistake that need to be fix by the AI model for better readability.'
  }
})
})

Python

import requests

url = "https://api.1min.ai/api/features"
headers = {
"Content-Type": "application/json",
"API-KEY": "YOUR_API_KEY"
}

data = {
"type": "GRAMMAR_CHECKER",
"model": "claude-3-5-sonnet-20240620",
"conversationId": "GRAMMAR_CHECKER",
"promptObject": {
  "prompt": "This sentence have some grammar mistake that need to be fix by the AI model for better readability."
}
}

response = requests.post(url, headers=headers, json=data)

Interactive Playground

Try the API directly in your browser:

API Playground

GETPOSTPUTDELETEhttps://api.1min.ai/api/features

AI Model *

Choose the AI model for grammar checking

Claude 3.5 HaikuClaude 3.5 SonnetClaude 3.7 SonnetClaude 3 HaikuClaude 3 OpusClaude 4 OpusClaude 4 SonnetGPT-3.5 TurboGPT-4 TurboGPT-4o MiniGPT-4oGPT-4.1 NanoGPT-4.1 MiniGPT-4.1GPT-5 NanoGPT-5 MiniGPT-5GPT-5 Chat LatestGPT-o1 MiniGPT-o1 PreviewGPT-o1GPT-o3 MiniGPT-o4 MiniGemini 1.0 ProGemini 1.5 FlashGemini 1.5 ProGemini 2.0 Flash LiteGemini 2.0 FlashGemini 2.5 FlashGemini 2.5 ProMistral Large 2Mistral SmallMistral Open NemoMistral Pixtral 12BLLaMA 2 70BLLaMA 3 70BLLaMA 3.1 405BLLaMA 4 MaverickLLaMA 4 ScoutDeepseek ChatDeepseek R1Grok 2Command R

Conversation ID *

Identifier for the conversation context

Text to Check *

The text that you want to check for grammar errors

This sentence have some grammar mistake that need to be fix by the AI model for better readability.

Generated cURL Command:

curl -X POST "https://api.1min.ai/api/features" \
  -H "API-KEY: <your-api-key>" \
  -H "Content-Type: application/json" \
  -d '{
  "type": "GRAMMAR_CHECKER",
  "model": "claude-3-5-sonnet-20240620",
  "conversationId": "GRAMMAR_CHECKER",
  "promptObject": {
    "prompt": "This sentence have some grammar mistake that need to be fix by the AI model for better readability."
  }
}'

Response Format

{}