API playground
Build a request, copy the cURL, run it from your terminal. Nothing here leaves your browser — the key you paste is only used to fill in the command.
curl -X POST https://api.99billingsolutions.com/v1/messages/send \
-H "x-api-key: $SMS_BRIDGE_KEY" \
-H "Content-Type: application/json" \
-d '{
"from_number": "+15550100001",
"to_number": "+15550100002",
"content": "Hello from SMS Bridge!"
}'