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Use this page to configure clients and sanity-check .env values. Use the Runbook for procedural validation.

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Chain and contract

SettingValue
Cosmos chain IDinjective-888
EIP-712 chain ID1439
Chain gRPCtestnet-grpc.injective.dev:443
Chain LCDhttps://testnet.sentry.lcd.injective.network
RFQ contractinj1qw7jk82hjvf79tnjykux6zacuh9gl0z0wl3ruk
Contract version0.1.0-alpha.6
Explorerhttps://testnet.explorer.injective.network
injective-888 and 1439 are both required, but they are not interchangeable. quote.chain_id is the Cosmos chain ID and must be injective-888 on testnet. quote.evm_chain_id and the EIP-712 domain chainId use 1439. Raw MakerStream quote payloads use snake_case field names; passing 1439 as quote.chain_id is a known integration failure mode.
ContextTestnet value
EIP-712 domain chainId1439
Quote payload evm_chain_id1439
Quote payload chain_idinjective-888

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RFQ indexer endpoints

ServiceEndpoint
WebSocket basewss://testnet.rfq.ws.injective.network/injective_rfq_rpc.InjectiveRfqRPC
MakerStream WSSwss://testnet.rfq.ws.injective.network/injective_rfq_rpc.InjectiveRfqRPC/MakerStream
TakerStream WSSwss://testnet.rfq.ws.injective.network/injective_rfq_rpc.InjectiveRfqRPC/TakerStream
gRPC-web basehttps://testnet.rfq.grpc.injective.network/injective_rfq_rpc.InjectiveRfqRPC
Native gRPCtestnet.rfq.grpc.injective.network:443
HTTPhttps://testnet.rfq.injective.network
The public service alias is injective_rfq_rpc.InjectiveRfqRPC. The deployed paths use underscores and InjectiveRfqRPC; do not substitute the internal proto package name. Most SDK clients store the WebSocket base endpoint and append /MakerStream or /TakerStream internally. Do not append the stream path twice.

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Tokens

AssetDenomUse
INJinjGas
USDCerc20:0x0C382e685bbeeFE5d3d9C29e29E341fEE8E84C5dRFQ margin
Fund both the bank balance for gas and the exchange subaccount for margin. Maker margin must be available in the subaccount nonce registered for that maker. Faucet: https://testnet-faucet.injective.dev

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Markets

SymbolMarket IDPrice tick
INJ/USDC PERP0xdc70164d7120529c3cd84278c98df4151210c0447a65a2aab03459cf328de41e0.01
BTC/USDC PERP0xfd704649cf3a516c0c145ab0111717c44640d8dbe52a462ae35cadf2f6df15151
LINK/USDC PERP0xdbb9bb072015238096f6e821ee9aab7affd741f8662a71acc14ac30ee6b687a50.001
ETH/USDC PERP0x135de28700392fb1c17d40d5170a74f30055a4ad522feddafec42fbbbb7808970.1
Snap prices and quantities to the market rules before signing. The signature covers the exact decimal strings you send.

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Environment variables

Minimum .env for local tests: 
RFQ_ENV=testnet

TESTNET_MM_PRIVATE_KEY=<hex>
TESTNET_RETAIL_PRIVATE_KEY=<hex>
Optional variables: 
TESTNET_RELAYER_PRIVATE_KEY=<hex> # signed-intent relay tests
TESTNET_ADMIN_PRIVATE_KEY=<hex>   # maker registration admin flows
Manual client configuration: 
chain:
  chain_id: injective-888
  grpc_endpoint: testnet-grpc.injective.dev:443
  lcd_endpoint: https://testnet.sentry.lcd.injective.network

contract:
  address: inj1qw7jk82hjvf79tnjykux6zacuh9gl0z0wl3ruk
  version: 0.1.0-alpha.6

signing:
  evm_chain_id: 1439

indexer:
  ws_endpoint: wss://testnet.rfq.ws.injective.network/injective_rfq_rpc.InjectiveRfqRPC
  grpc_web_endpoint: https://testnet.rfq.grpc.injective.network/injective_rfq_rpc.InjectiveRfqRPC
  http_endpoint: https://testnet.rfq.injective.network
  grpc_endpoint: testnet.rfq.grpc.injective.network:443

tokens:
  usdc: erc20:0x0C382e685bbeeFE5d3d9C29e29E341fEE8E84C5d

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Mainnet signing contrast

Mainnet uses Cosmos chain ID injective-1 and EIP-712 chain ID 1776. Pull both values from environment config instead of hardcoding when writing reusable clients.
Last modified on May 29, 2026