Ramses API

REST endpoints follow the same schema across deployed chains. The base URL pattern is:

https://gateway.kingdom.dev/{chain_slug}/api

Subgraph-compatible GraphQL queries use the converter endpoint:

https://gateway.kingdom.dev/{chain_slug}/converter/graphql

Supported chains

Chain	Slug	REST API base	GraphQL converter	API reference
HyperEVM	`hyperevm`	`https://gateway.kingdom.dev/hyperevm/api`	`https://gateway.kingdom.dev/hyperevm/converter/graphql`	Swagger
Arbitrum	`arbitrum`	`https://gateway.kingdom.dev/arbitrum/api`	`https://gateway.kingdom.dev/arbitrum/converter/graphql`	Swagger
Avalanche	`avalanche`	`https://gateway.kingdom.dev/avalanche/api`	`https://gateway.kingdom.dev/avalanche/converter/graphql`	Swagger
Polygon	`polygon`	`https://gateway.kingdom.dev/polygon/api`	`https://gateway.kingdom.dev/polygon/converter/graphql`	Swagger
Robinhood Chain	`robinhood`	`https://gateway.kingdom.dev/robinhood/api`	`https://gateway.kingdom.dev/robinhood/converter/graphql`	Swagger
Linea	`linea`	Not currently deployed	`https://gateway.kingdom.dev/linea/converter/graphql`	—

Swagger UI is available for each deployed REST API at:

https://gateway.kingdom.dev/{chain_slug}/api/swagger

bun install
bun run dev

Local Swagger UI is available at http://localhost:3000/swagger.