Broadcast a transaction to the Avalanche C-Chain (AVAX-C) by constructing an API request to a full node RPC endpoint.
export REQUEST_URL="<REQUEST_URL>"
# Testnet: https://api.avax-test.network/ext/bc/C/rpc
# Mainnet: https://api.avax.network/ext/bc/C/rpc
# Full node RPC endpoints: https://docs.avax.network/tooling/rpc-providers
curl -X POST $REQUEST_URL \
-H "Content-Type: application/json" \
-d '{
"id": 1,
"jsonrpc": "2.0",
"method": "eth_sendRawTransaction",
"params": ["0x + tx"]
}'
# find "tx" in your downloaded JSON
# add the “0x” prefix to the “tx” if it's not already present