OpenAI · Embeddings

Text Embedding 3 Small

Small, cheap OpenAI embedding model (1536 dims).

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text-embedding-3-small

Model specifications

Capabilities: embeddings
Family: Embeddings
Provider: openai

USDC · x402

The call price

Input / 1M tokens: $0.020600

Plus 0.001000 USDC per call.

Token rates include 3% infrastructure fee.

exact payments authorize a fixed quote before the call. The server quotes the units for your request.

Price verified: 2026-10-14 UTC.

Payment guarantees ↗

Make an API call

This first request returns an HTTP 402 quote. An x402 client signs an accepted offer and retries with its payment authorization.

curl · Get a payment quote

curl https://synal-gateway.fly.dev/x402/v1/embeddings \
  -H 'Content-Type: application/json' \
  -d '{
  "model": "text-embedding-3-small",
  "input": "A sentence to embed."
}'

Ask about SDK access ↗