Marketplace · API · AIPayGen tools

Sentiment analysis (AIPayGen)

Fast positive / negative / neutral sentiment for up to 50 texts at once (reviews, tweets, support tickets, headlines), with a score from -1 (very negative) to +1 (very positive) and an average across all texts.

Endpoint	`https://aipaygen.com/v1/sentiment`
Price	$0.001 per call
Trust	✓ Verified callable · null% uptime over 0 checks
Pricing	Pay per call with x402, no account. Call it to get an exact quote before paying.
tool	sentiment
http	POST https://aipaygen.com/v1/sentiment
mcp	https://aipaygen.com/mcp
docs	https://aipaygen.com/docs#sentiment
pay	x402 USDC on Base per call (no account), or an API key with prepaid credits. Low-cost tools: 3 free calls a day.

Use it

Call it (an x402 client pays automatically)

curl -i https://aipaygen.com/v1/sentiment
# 402 reply -> sign PAYMENT-REQUIRED with an x402 client (e.g. @x402/fetch) -> retry with PAYMENT-SIGNATURE

This listing as JSON

curl https://aipaygen.com/v1/catalog/api/aipaygen-sentiment

Search the whole marketplace from your agent (MCP)

{
  "mcpServers": {
    "aipaygen": {
      "url": "https://aipaygen.com/mcp"
    }
  }
}