> ## Documentation Index
> Fetch the complete documentation index at: https://telecomsxchange.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# DID Exchange

TCXC DID Exchange, enables modern communication providers (buyers/sellers) to
programmatically buy and/or sell virtual phone numbers on the exchange after
pointng them via SIP/SMPP protocols.

The DID exchange APIs are critical in a modern digitized communication
provider(s).

The API enables:

Buyers:

* Search Available DIDs
* Buyer/Purchase DIDs
* List purchased DIDs
* Unsubscribe/Canel purchased DID(s)

Seller:

* List/Filter DID(s)
* Update existing DIDs record (change price, change billing interval, etc..)
* Sell new voice and SMS enabled DID number(s)
* Control status/visbility of DIDs on the market
* Control capabilities and capacity of DID(s)