API Reference

The Value Transfer API provides endpoints for cross-chain token transfers across 150+ blockchains. The API uses REST principles, returns JSON responses, and uses standard HTTP status codes.

    https://transfer.layerzero-api.com/v1

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Reference

Authentication

Authentication is optional for read-only endpoints and required for quote and execution endpoints. Pass your API key in the x-api-key header.

curl -X POST "https://transfer.layerzero-api.com/v1/quotes" \
  -H "x-api-key: YOUR_API_KEY" \
  -H "Content-Type: application/json"

Contact the LayerZero team to obtain an API key for production use.

Endpoint	Public	Authenticated
GET /chains	✓
GET /tokens	✓
POST /quotes		✓
POST /build-user-steps		✓
POST /submit-signature		✓
GET /status/{quoteId}		✓

Endpoints

Discovery

• Chains — List supported blockchain networks
• Tokens — Discover transferrable tokens and validate transfer routes

Transfers

• Quotes — Request transfer quotes with fees and execution steps
• Build user steps — Generate fresh transaction data for Solana transfers
• Submit signature — Submit EIP-712 signatures for intent-based routes
• Status — Track transfer progress and completion

Pagination

Endpoints that return lists support cursor-based pagination using pagination[nextToken]:

curl "https://transfer.layerzero-api.com/v1/tokens?pagination%5BnextToken%5D=abc123"

The response includes a pagination object with nextToken if more results exist:

{
  "tokens": [...],
  "pagination": {
    "nextToken": "def456"
  }
}

Continue fetching until pagination.nextToken is undefined or absent.