Twilio Signal 2016 Best Practices for Debugging Twilio Apps
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Twilio's Platform Architecture Common Rest API Issues Common SDK Issues Common Webhook Issues
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Twilio Signal 2016 Best Practices for Debugging Twilio Apps
- 1. a BEST PRACTICES FOR DEBUGGING YOUR TWILIO APPS CARTER RABASA, PRODUCT MANAGER
- 2. ABOUT THE TALK CARTER RABASA | @CRTR0 40 minutes 100-level REST API + SDK + Webhooks
- 3. ABOUT ME CARTER RABASA | @CRTR0 Product Manager, API Tools carter@twilio.com crtr0 crtr0
- 4. ABOUT THE API TOOLS TEAM CARTER RABASA | @CRTR0 PROTOTYPE TEST PROD MONITORBUILD DEBUG API EXPLORER TWIML BINS DEBUGGER REQ INSP INSPECTOR TRIGGERS
- 5. Overview Twilio’s Platform Architecture Common REST API Issues Common SDK Issues Common Webhook Issues CARTER RABASA | @CRTR0 AGENDA
- 6. CARTER RABASA | @CRTR0 OVERVIEW OF TWILIO’S ARCHITECTURE TELECOM SDK HANDSET SERVER SIP/SMPP HTTP WEB SOCKET WEB RTC VOICE & SMS INTER
- 7. CARTER RABASA | @CRTR0 THE INTERNET DNS NETWORK CACHING PROXIES TIMEOUTS URLS SECURITY SUPPORT
- 8. CARTER RABASA | @CRTR0 DEBUGGING Software is easy to debug if you treat it like anything else. If you have what you think is a bad light bulb, but when you put a new bulb in the socket it doesn’t work, you’d conclude the problem was in the socket, not the bulb.” DEBUGGING CAN BE EASY“ - Dave Winer
- 9. COMMON REST
- 10. CARTER RABASA | @CRTR0 FLOW OF REST API REQUESTS INTERNET SERVER M AKES HTTP REQ UEST TO SEND AN SM S TW ILIO AUTHENTICATES THE REQ UEST TW ILIO VALIDATES THE PARAM ETERS PASSED TW ILIO PASSES M ESSAGE TO SM S CARRIER CARRIER DELIVERS SM S TO END USER’S HANDSET
- 11. CARTER RABASA | @CRTR0 BREAKDOWN OF REST API ERRORS 4xx 43% 401 57% 5/1/2016 - 5/15/2016 3B REST API CALLS
- 12. CARTER RABASA | @CRTR0 LETS DIVE IN Code: Send an SMS Check Out the API Explorer
- 13. COMMON CLIENT
- 14. CARTER RABASA | @CRTR0 FLOW OF SDK REQUESTS CLIENT ASKS SERVER FO R A IP M ESSAGING TO KEN CLIENT INITIALIZES IP M ESSAGING SDK W ITH TO KEN INTERNET CLIENT INVO KES IP M ESSAGING SDK M ETHO D TW ILIO EVALUATES JW T TO KEN TW ILIO EXECUTES IP M ESSAGE M ETHO D
- 15. CARTER RABASA | @CRTR0 LETS DIVE IN Code: Twilio IP Chat
- 17. CARTER RABASA | @CRTR0 FLOW OF A WEBHOOK REQUEST INTERNET PHO NE CALLIS M AKE TO A TW ILIO NUM BER CARRIER PASSES THE PHO NE CALLTO TW ILIOTW ILIO LO O KS UP THE VO ICE W EBHO O K URL SERVER RESPO NDS W ITH TW IM LINSTRUCTIO NS TW ILIO M AKES AN HTTP REQ UEST TO THE W EBHO O K URL TW ILIO PARSES AND EXECUTES THE TW IM L
- 18. CARTER RABASA | @CRTR0 BREAKDOWN OF WEBHOOK ISSUES other 16% 12300 6% 12200 14% 15003 17% 11200 48% 11200 - Webhook retrieval failure 15003 - Call Progress failure 12200 - Schema Validation Warning 12300 - Invalid Content Type 1/1/2016 - 5/15/2016 220M ERRORS
- 19. CARTER RABASA | @CRTR0 LETS DIVE IN Code: Receive a Phone Call Check out: Debugger & TwiML Bins
- 20. REST API Catch errors and log them. CARTER RABASA | @CRTR0 BEST PRACTICES FOR BUILDING CLIENT SDK Tokens! Log even more. WEBHOOKS Use helper libs and respond as quickly as possible. Unit test and load test. Set fallback handlers, consider TwiML Bins if possible.
- 21. BREAK THE PROBLEM DOWN Mock out different components until you isolate the problem. CARTER RABASA | @CRTR0 BEST PRACTICES FOR DEBUGGING CHECK FOR INTERNET/NETWORK ISSUES Check your proxies and HTTP logs. CHECK STATUS PAGE, DEBUGGER AND LOGS Check status.twilio.com Check the Debugger Check Voice and SMS logs
- 22. CARTER RABASA | @CRTR0 TOOLS TO USE WHEN DEBUGGING
- 23. CARTER RABASA | @CRTR0 TOOLS TO USE WHEN DEBUGGING
- 24. CARTER RABASA | @CRTR0 TOOLS TO USE WHEN DEBUGGING
- 25. CARTER RABASA | @CRTR0 TOOLS TO USE WHEN DEBUGGING
- 26. CARTER RABASA | @CRTR0 CARTER RABASA CARTER@TWILIO. CRTR0 CRTR0