Polymorfa vs Twilio

Three reasons teams move from Twilio

1. 01

   Webhooks that wait out an outage

   Polymorfa can retry for up to 24 hours. Sends accept an Idempotency-Key, so a request retried after a timeout within 24 hours returns 409 idempotency_completed and does not send the message twice.^3,9

   Twilio: Twilio gives a failed webhook at most 15 seconds, including retries.¹

   curl https://api.polymorfa.com/messaging/support/messages/send \
     -H "Authorization: Bearer $POLYMORFA_API_KEY" \
     -H "Idempotency-Key: order-1042-shipped" \
     -H "Content-Type: application/json" \
     -d '{"conversation":{"phoneNumber":"+15550001111"},"content":{"text":"Your order shipped."}}'
   
   # Retrying with the same key returns 409 idempotency_completed.
   # The customer gets one message.

2. 02

   Keep the app number, and reach groups and channels

   Polymorfa connects that number as a linked device, so the phone keeps working, and its Graph API takes Meta's request shape for linked-device and Cloud API numbers alike. Linked-device numbers also manage groups and post to channels.^4,10,11

   Twilio: Twilio registers official senders, and a number that runs the WhatsApp app has to delete that account first.¹²

3. 03

   An MCP server that does the work

   Polymorfa hosts an MCP server with 195 tools that act on your account, covering messaging, account management, events and webhook deliveries. Your agent does the work instead of reading about it.⁸

   Twilio: Twilio's MCP server searches its API documentation. In its own words: "It does not execute API calls on your behalf."¹³