0x Protocol Schemas

*   [Basic types](https://github.com/0xProject/0x-monorepo/blob/d4c1b3b0bd26e730ce6687469cdf7283877543e1/packages/json-schemas/schemas/basic_type_schemas.ts) (e.g Ethereum address, number)
*   [ECSignature](https://github.com/0xProject/0x-monorepo/blob/d4c1b3b0bd26e730ce6687469cdf7283877543e1/packages/json-schemas/schemas/ec_signature_schema.ts)
*   [Order/SignedOrder](https://github.com/0xProject/0x-monorepo/blob/d4c1b3b0bd26e730ce6687469cdf7283877543e1/packages/json-schemas/schemas/order_schemas.ts)
*   [OrderHash](https://github.com/0xProject/0x-monorepo/blob/d4c1b3b0bd26e730ce6687469cdf7283877543e1/packages/json-schemas/schemas/order_hash_schema.ts)

0x.js Schemas

*   [BlockRange](https://github.com/0xProject/0x-monorepo/blob/d4c1b3b0bd26e730ce6687469cdf7283877543e1/packages/json-schemas/schemas/block_range_schema.ts)
*   [IndexFilter Values](https://github.com/0xProject/0x-monorepo/blob/d4c1b3b0bd26e730ce6687469cdf7283877543e1/packages/json-schemas/schemas/index_filter_values_schema.ts)
*   [OrderFillRequests](https://github.com/0xProject/0x-monorepo/blob/d4c1b3b0bd26e730ce6687469cdf7283877543e1/packages/json-schemas/schemas/order_fill_requests_schema.ts)
*   [OrderCancellationRequests](https://github.com/0xProject/0x-monorepo/blob/d4c1b3b0bd26e730ce6687469cdf7283877543e1/packages/json-schemas/schemas/order_cancel_schema.ts)
*   [OrderFillOrKillRequests](https://github.com/0xProject/0x-monorepo/blob/d4c1b3b0bd26e730ce6687469cdf7283877543e1/packages/json-schemas/schemas/order_fill_or_kill_requests_schema.ts)
*   [SignedOrders](https://github.com/0xProject/0x-monorepo/blob/d4c1b3b0bd26e730ce6687469cdf7283877543e1/packages/json-schemas/schemas/signed_orders_schema.ts)
*   [Token](https://github.com/0xProject/0x-monorepo/blob/d4c1b3b0bd26e730ce6687469cdf7283877543e1/packages/json-schemas/schemas/token_schema.ts)
*   [TxData](https://github.com/0xProject/0x-monorepo/blob/d4c1b3b0bd26e730ce6687469cdf7283877543e1/packages/json-schemas/schemas/tx_data_schema.ts)

Standard Relayer API Schemas

*   [Error response](https://github.com/0xProject/0x-monorepo/blob/d4c1b3b0bd26e730ce6687469cdf7283877543e1/packages/json-schemas/schemas/relayer_api_error_response_schema.ts)
*   [Fees payload](https://github.com/0xProject/0x-monorepo/blob/d4c1b3b0bd26e730ce6687469cdf7283877543e1/packages/json-schemas/schemas/relayer_api_fees_payload_schema.ts)
*   [Fees response](https://github.com/0xProject/0x-monorepo/blob/d4c1b3b0bd26e730ce6687469cdf7283877543e1/packages/json-schemas/schemas/relayer_api_fees_response_schema.ts)
*   [Orderbook channel subscribe](https://github.com/0xProject/0x-monorepo/blob/d4c1b3b0bd26e730ce6687469cdf7283877543e1/packages/json-schemas/schemas/relayer_api_orberbook_channel_subscribe_schema.ts)
*   [Orderbook channel snapshot](https://github.com/0xProject/0x-monorepo/blob/d4c1b3b0bd26e730ce6687469cdf7283877543e1/packages/json-schemas/schemas/relayer_api_orderbook_channel_snapshot_schema.ts)
*   [Orderbook channel update](https://github.com/0xProject/0x-monorepo/blob/d4c1b3b0bd26e730ce6687469cdf7283877543e1/packages/json-schemas/schemas/relayer_api_orderbook_channel_update_response_schema.ts)
*   [Orderbook response](https://github.com/0xProject/0x-monorepo/blob/d4c1b3b0bd26e730ce6687469cdf7283877543e1/packages/json-schemas/schemas/relayer_api_orderbook_response_schema.ts)
*   [Token pairs response](https://github.com/0xProject/0x-monorepo/blob/d4c1b3b0bd26e730ce6687469cdf7283877543e1/packages/json-schemas/schemas/relayer_api_token_pairs_response_schema.ts)