Reference

4 min

Error Codes Reference

Error Code	HTTP Status	Message	Description
1000	404	Not Found	Resource not found (invalid trunk_sid, phone_number_id, etc.)
1001	400	Mandatory Parameter missing	Required parameter not provided
1002	400	Invalid parameter	Parameter value is invalid or malformed
1007	400	Invalid request body	JSON parsing error or malformed request body
1008	409	Duplicate resource	Resource already exists (duplicate trunk name, IP already whitelisted, etc.)
1011	415	Unsupported content type	Wrong Content-Type header. Use application/json

Quick Reference

API Endpoints Summary

API	Method	Endpoint
Create Trunk	POST	/v2/accounts/{sid}/trunks
List Trunks	GET	/v2/accounts/{sid}/trunks
Update Trunk	PUT	/v2/accounts/{sid}/trunks/{trunk_sid}
Delete Trunk	DELETE	/v2/accounts/{sid}/trunks?trunk_sid={trunk_sid}
Trunk Map Lookup	GET	/v2/accounts/{sid}/trunk-maps?exophone={number}
Map Phone Number	POST	/v2/accounts/{sid}/trunks/{trunk_sid}/phone-numbers
Get Phone Numbers	GET	/v2/accounts/{sid}/trunks/{trunk_sid}/phone-numbers
Update Phone Number Mode	PUT	/v2/accounts/{sid}/trunks/{trunk_sid}/phone-numbers/{id}
Delete Phone Number Mapping	DELETE	/v2/accounts/{sid}/trunks/{trunk_sid}/phone-numbers?id={id}
Map ACL	POST	/v2/accounts/{sid}/trunks/{trunk_sid}/whitelisted-ips
Get ACLs	GET	/v2/accounts/{sid}/trunks/{trunk_sid}/whitelisted-ips
Update Whitelisted IP	PUT	/v2/accounts/{sid}/trunks/{trunk_sid}/whitelisted-ips/{id}
Delete Whitelisted IP	DELETE	/v2/accounts/{sid}/trunks/{trunk_sid}/whitelisted-ips?id={id}
Create Credentials	POST	/v2/accounts/{sid}/trunks/{trunk_sid}/credentials
List Credentials	GET	/v2/accounts/{sid}/trunks/{trunk_sid}/credentials
Update Credentials	PUT	/v2/accounts/{sid}/trunks/{trunk_sid}/credentials/{id}
Delete Credentials	DELETE	/v2/accounts/{sid}/trunks/{trunk_sid}/credentials?id={id}
Map Destination URI	POST	/v2/accounts/{sid}/trunks/{trunk_sid}/destination-uris
Get Destination URIs	GET	/v2/accounts/{sid}/trunks/{trunk_sid}/destination-uris
Update Destination URI	PUT	/v2/accounts/{sid}/trunks/{trunk_sid}/destination-uris/{id}
Delete Destination URI	DELETE	/v2/accounts/{sid}/trunks/{trunk_sid}/destination-uris?id={id}
Set Trunk Alias	POST	/v2/accounts/{sid}/trunks/{trunk_sid}/settings
List Trunk Settings	GET	/v2/accounts/{sid}/trunks/{trunk_sid}/settings
Delete Trunk Setting	DELETE	/v2/accounts/{sid}/trunks/{trunk_sid}/settings?name={name}

Mode Options

Mode	Description	Use Case
pstn	Routes calls to telephone network	Standard PBX/Contact Center integration
flow	Routes calls to Voice AI bot	StreamKit/Voice AI integration

Notes

Duplicate resource errors (1008) are safe and can be ignored if the configuration already exists

Destination URI must always be configured, even when using Exotel Flows

flow mode is required only for Voicebot or non-Connect applets