Survey Builder & Copy Suite

Survey Builder & Copy Suite — Design surveys with one API: generate survey questions, score response sentiment, summarize open responses, translate surveys, and rewrite questions for clarity.

📋 LLM-powered (OpenRouter)

🚀 Newcomer launch pricing — limited-time introductory rates while we earn our first reviews.

Built for researchers, CX teams, survey-platform developers.

Why this exists

Building and analyzing surveys needs question generation, sentiment, summarization, and translation from separate tools.

What you get

One API key writes questions, scores sentiment, summarizes, and translates — the survey content engine.

Endpoints (5 total)

• POST /v1/questions/generate
• POST /v1/response/sentiment
• POST /v1/responses/summarize
• POST /v1/survey/translate
• POST /v1/question/paraphrase

Sample request

curl -X POST https://api-survey-builder-suite.knowlez.com/v1/questions/generate -H "X-API-Key: <your-key>" -H "Content-Type: application/json" -d '{}'

Pricing

• Starter — $9/mo · 2,000 ops included · $0.003/op overage
• Pro — $29/mo · 20,000 ops included · $0.002/op overage
• Scale — $99/mo · 200,000 ops included · $0.001/op overage

Swagger / OpenAPI: api-survey-builder-suite.knowlez.com/docs