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

Reference

Endpoints

Discovery

Chains — List supported blockchain networks
Tokens — Discover transferrable tokens and validate transfer routes
Metadata — Retrieve deployment addresses by chain

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

Authentication

Transfer endpoints require an API key passed via the x-api-key header:

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

Endpoint	Auth required
`GET /chains`	No
`GET /tokens`	No
`GET /metadata`	No
`POST /quotes`	Yes
`POST /build-user-steps`	Yes
`POST /submit-signature`	Yes
`GET /status/{quoteId}`	Yes

Requests to authenticated endpoints without a valid API key return:

{
  "error": "Unauthorized"
}

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.

Value Transfer API

Contracts

Examples

API Reference

Reference

Endpoints

Discovery

Transfers

Authentication

​Reference

​Endpoints

​Discovery

​Transfers

​Authentication

​Pagination

Reference

Endpoints

Discovery

Transfers

Authentication

Pagination