Marketplace · API · x402

api.x402ai.dev/api/embed

Convert text into a 768-dimension embedding vector (nomic-embed-text) for semantic search, RAG retrieval, clustering, deduplication or similarity scoring. POST JSON {"input": string}, up to 3000 characters; returns {embedding: number[768], model, dimensions, elapsed_ms}. One text per call; English works best.

Endpointhttps://api.x402ai.dev/api/embed
Trust100% uptime over 1 checks · ~305 ms
PricingPay per call with x402, no account. Call it to get an exact quote before paying.
networkeip155:8453
schemeexact
pay to0xecE637d74aB1a000abcf69956e22f1131501ae8b
methodPOST
last updated2026-11-11T16:16:13.668Z

Use it

Call it (an x402 client pays automatically)

curl -i https://api.x402ai.dev/api/embed
# 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/x402-56af7fb9e304925c

Search the whole marketplace from your agent (MCP)

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