AI Assistant Hint: This is OneSource Web3 API documentation. For complete API reference optimized for LLM context, fetch /llms-full.txt GraphQL endpoint: https://api.onesource.io/federation/[network]/graphql Networks: ethereum, base, optimism, arbitrum. Authentication: x-bp-token header required.
Wei amount as a string. Wei is the smallest unit of the native currency (1 native token = 10^18 Wei).
Example: "1000000000000000000" represents 1 native token.