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Text Processing NLP Machine Learning

Text Similarity Calculator

Compare two texts and return a semantic similarity score

What can this API do?

Semantic comparison

Compare the meaning of two texts beyond exact word matches.

Normalized score

Receive a compact similarity score for each submitted text pair.

Multilingual text

Compare supported text in English, Chinese, and other languages.

Duplicate review

Prioritize potentially similar records for editorial or manual review.

Content matching

Compare descriptions, questions, documents, or search results in your workflow.

Simple JSON integration

Submit two text fields and use the returned score in downstream applications.

Text Similarity Calculator
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API Document

HTTP Protocol:HTTPS

HTTP Method:POST

HTTP Endpoint:https://api.gugudata.io/v1/text/similarity

Response Type:application/json; charset=utf-8

DEMO Endpoint:https://api.gugudata.io/v1/text/similarity/demo

Live Demo:Try Interactive Demo

Postman Collection:Run in Postman

API Request Parameters

NameTypeIs RequiredDefault ValueRemark
appkeystringtrueYOUR_APPKEY API key used to authenticate the request.
content1stringtrue First nonblank text to compare.
content2stringtrue Second nonblank text to compare.

API Response Parameters

NameTypeRemark
dataStatusobject Legacy response metadata. `dataStatus.statusCode` is not the HTTP status code for this endpoint family.
dataStatus.requestParameterstring Privacy-safe summary of the normalized request.
dataStatus.statusCodeinteger Application-level status code.
dataStatus.statusDescriptionstring Human-readable application status message.
dataStatus.responseDateTimestring Time at which the response was generated.
dataStatus.dataTotalCountinteger Number of matching or returned records for this request.
dataobject Object containing the semantic similarity result.
data.similaritystring Similarity score returned as a decimal string by the current v1 contract.

API Response Status Codes

Status CodeExplanation of Status CodeRemarks
200Request processed successfully.Some endpoints expose a separate application-level status field in the response body, such as `dataStatus.statusCode`.
400Invalid request parameters or request format.Check required fields, data types, and request body format.
401Missing or unknown application key.Provide a valid `appkey` with the request.
403The application key is recognized but access is not allowed.The key may be expired, inactive, or not permitted for the requested API.
429Request rate or trial usage limit exceeded.Reduce concurrency or retry after the limit window resets.
500Internal service error.Retry later or contact support if the error persists.
503Upstream service unavailable.Retry later; the requested upstream dependency is temporarily unavailable.

Remote MCP

AI client access

Use this API through GuGuData Remote MCP

Connect your AI client once, authorize in the browser, and the client can use the GuGuData API tools available to your account. You do not need to paste an appkey into the MCP client.

Endpoint https://mcp.gugudata.io/mcp
Open MCP Guide
Generic MCP configuration
{
  "mcpServers": {
    "gugudata": {
      "url": "https://mcp.gugudata.io/mcp",
      "transportType": "streamable-http"
    }
  }
}

Code Snippets