Twilio

--------------------------
**Library - Chore**
- [PR 810](https://github.com/twilio/twilio-python/pull/810): add license identifier to project metadata. Thanks to [mschoettle](https://github.com/mschoettle)!
- [PR 808](https://github.com/twilio/twilio-python/pull/808): preview iam removal. Thanks to [manisha1997](https://github.com/manisha1997)!
- [PR 807](https://github.com/twilio/twilio-python/pull/807): update intersphinx_mapping. Thanks to [tiwarishubham635](https://github.com/tiwarishubham635)!
- [PR 804](https://github.com/twilio/twilio-python/pull/804): add init file. Thanks to [manisha1997](https://github.com/manisha1997)!

**Api**
- Update documentation of `error_code` and `error_message` on the Message resource.
- Remove generic parameters from `transcription` resource
- Added public documentation for Payload Data retrieval API

**Flex**
- Adding update Flex User api

**Insights**
- Added 'branded', 'business_profile' and 'voice_integrity' fields in List Call Summary

**Intelligence**
- Add `words` array information to the Sentences v2 entity.
- Add `X-Rate-Limit-Limit`, `X-Rate-Limit-Remaining`, and `X-Rate-Limit-Config` headers for Operator Results.
- Change the path parameter when fetching an `/OperatorType/{}` from `sid<EY>` to `string` to support searching by SID or by name
- Add `X-Rate-Limit-Limit`, `X-Rate-Limit-Remaining`, and `X-Rate-Limit-Config` headers for Transcript and Service endpoints.

**Messaging**
- Adds two new channel senders api to add/remove channel senders to/from a messaging service
- Extend ERC api to accept an optional attribute in request body to indicate CNP migration for an ERC

**Numbers**
- Modify visibility to public in bundle clone API
- Add `port_date` field to Port In Request and Port In Phone Numbers Fetch APIs
- Change properties docs for port in phone numbers api
- Add is_test body param to the Bundle Create API
- Change properties docs for port in api

**Trusthub**
- Add new field in themeSetId in compliance_inquiry.

**Verify**
- Update `custom_code_enabled` description on verification docs

--------------------------
**Intelligence**
- Deprecate account flag api.twilio-intelligence.v2

--------------------------
**Api**
- Add `transcription` resource

**Flex**
- Changed mount name for flex_team v2 api

**Intelligence**
- Add `X-Rate-Limit-Limit`, `X-Rate-Limit-Remaining`, and `X-Rate-Limit-Config` as Response Headers to Operator resources

**Numbers**
- Added include_constraints query parameter to the Regulations API

**Twiml**
- Add support for `<Transcription>` noun

--------------------------
**Api**
- Add beta feature request managed cert

--------------------------
**Library - Chore**
- [PR 796](https://github.com/twilio/twilio-python/pull/796): adding contentType in post and put. Thanks to [tiwarishubham635](https://github.com/tiwarishubham635)!

**Events**
- Add `status` and `documentation_url` to Event Types

**Lookups**
- Removed unused `fraud` lookups in V1 only to facilitate rest proxy migration

**Numbers**
- Add date_created field to the Get Port In Request API
- Rename the `status_last_time_updated_timestamp` field to `last_updated` in the Get Port In Phone Number API **(breaking change)**
- Add Rejection reason and rejection reason code to the Get Port In Phone Number API
- Remove the carrier information from the Portability API

**Proxy**
- Change property `type` from enum to ienum

**Trusthub**
- Add skipMessagingUseCase field in compliance_tollfree_inquiry.

--------------------------
**Api**
- Mark MaxPrice as obsolete

**Lookups**
- Update examples for `phone_number_quality_score`

**Messaging**
- List tollfree verifications on parent account and all sub-accounts