Slot RPC

Cartridge provides dedicated RPC endpoints for Starknet with authentication and CORS support.

Endpoints

• Mainnet: https://api.cartridge.gg/x/starknet/mainnet
• Sepolia: https://api.cartridge.gg/x/starknet/sepolia

Pricing

Free for up to 1M requests/month. Additional requests: $5/1M, charged to the team.

Authentication Methods

API Token

curl https://api.cartridge.gg/x/starknet/mainnet \
  -H "Authorization: Bearer YOUR_API_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "jsonrpc": "2.0",
    "method": "starknet_chainId",
    "params": [],
    "id": 1
  }'

Domain Whitelisting

For browser apps, whitelist domains to make direct RPC calls without exposing tokens. Whitelisted domains are rate-limited per IP.

const response = await fetch('https://api.cartridge.gg/x/starknet/mainnet', {
  method: 'POST',
  headers: { 'Content-Type': 'application/json' },
  body: JSON.stringify({
    jsonrpc: '2.0',
    method: 'starknet_chainId',
    params: [],
    id: 1,
  }),
});

Managing API Tokens

# Create a token
slot rpc tokens create <KEY_NAME> --team <TEAM_NAME>

# List tokens
slot rpc tokens list --team <TEAM_NAME>

# Delete a token
slot rpc tokens delete <KEY_ID> --team <TEAM_NAME>

Managing CORS Whitelist

Whitelists are specified as root domains; all subdomains are automatically included.

# Add a domain
slot rpc whitelist add <DOMAIN> --team <TEAM_NAME>

# List whitelisted domains
slot rpc whitelist list --team <TEAM_NAME>

# Remove a domain
slot rpc whitelist remove <ENTRY_ID> --team <TEAM_NAME>

Viewing Logs

slot rpc logs --team <TEAM_NAME>

Options:

• --after <CURSOR>: Pagination cursor
• --limit <NUMBER>: Entries to return (default: 100)
• --since <DURATION>: Time period (30m, 1h, 24h)

Examples:

# Last 5 entries from past 30 minutes
slot rpc logs --team my-team --limit 5 --since 30m

# Paginate with cursor
slot rpc logs --team my-team --after <cursor> --limit 5