Gemini generate content | Linkinfra API Docs

POST/v1beta/models/{model}:generateContent

Base URLhttps://api.linkinfra.ai

Authorization Path Body Response

Authorization

Bearer Token

AuthorizationBearer <token>

Authenticate requests with your API key in the request header:

Authorization: Bearer sk-your-api-key

Need a key? Create one in the console

Place the model ID in the URL path. Both Bearer tokens and the x-goog-api-key header are supported.

Path parameters

modelstringrequired

Gemini model ID without the models/ prefix.

Request body

application/json

contentsarray<object>required

Conversation content in the native Gemini format.

Show child properties2

rolestring

Content role: user or model.

partsarray<object>required

Text, image, or audio content parts.

Show child properties2

textstring

Text content.

inlineDataobject

Inline media with mimeType and Base64-encoded data.

generationConfigobject

Generation settings such as temperature and maxOutputTokens.

Streaming

For streaming, use /v1beta/models/{model}:streamGenerateContent?alt=sse with the same request body.

Response

application/json

200Successful response

candidatesarray<object>

Generated candidates. Content is in content.parts.

usageMetadataobject

Input, output, and total token usage.

Request failed? Read the error handling guide

curl --request POST 'https://api.linkinfra.ai/v1beta/models/gemini-2.5-flash:generateContent' \ --header "Authorization: Bearer $LINKINFRA_API_KEY" \ --header "Content-Type: application/json" \ --data '{ "contents": [ { "role": "user", "parts": [ { "text": "Explain how an API gateway works." } ] } ] }'

{ "candidates": [ { "content": { "role": "model", "parts": [ { "text": "An API gateway routes client requests to the appropriate service." } ] }, "finishReason": "STOP" } ], "usageMetadata": { "promptTokenCount": 10, "candidatesTokenCount": 14, "totalTokenCount": 24 } }