How billing works for Telnyx Storage

Telnyx Storage follows a usage based pricing model, which means that you will only pay for what you use. Usage categories and pricing are as follows:

In addition, Telnyx Storage offers a generous free tier for you to test out the product risk free. This includes:

How Telnyx bills for storage

To determine the cost of storage Telnyx considers not only the amount of data that you are storing, but also the time that you store the data for.

A simple way to think about it:

• If you store 100 gigabytes of data for 1 month, you will be billed for 100 gigabyte-months of usage
• If you store 100 gigabytes of data for 15 days, you will be billed for 50 gigabyte-months of usage
• If you store 100 gigabytes of data for 3 days, you will be billed for 10 gigabyte-months of usage.

If you wanted a more detailed explanation: every hour, Telnyx measures how many bytes are associated with your user. The unit of this measurement is a byte-hour, meaning the number of bytes the user stored over a given hour. At the end of the day, Telnyx will sum the 24 measurements (one for each hour of the day) and record it on our ledger. At the end of the month, Telnyx will aggregate each of these records to determine how many byte-hours you used over the course of the month. Then, Telnyx will convert this value from byte-hours to gigabyte-months to determine how much to charge you.

Calculating storage costs - an example

First, let’s make a few assumptions:

• In bucket_1 , you store 25 gigabytes of data for the entire month
• In bucket_2 , you store 50 gigabytes of data for the first 10 days. After that time elapses, you delete the data, and you do not upload any more data into bucket_2 for the remainder of the month.
• In bucket_3 , you upload 100 gigabytes of data for the first 2 days. After that time elapses, you delete the data, and you do not upload any more data into bucket_3 for the remainder of the month.
• There are 30 days in a month

Now lets figure out how much this storage usage will cost you.

Calculating the # of byte-hours used in bucket_1 for the given month:

(# of bytes) * (# of hours the data was stored for)

(25 gigabytes * (1024*1024*1024 bytes per gigabyte)) * ((24 hours per day) * (30 days))

(26843545600 bytes) * (720 hours the data was stored for)

19327352832000 byte-hours

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Calculating the # of byte-hours used in bucket_2 for the given month:

(# of bytes) * (# of hours the data was stored for)

(50 gigabytes * (1024*1024*1024 bytes per gigabyte)) * ((24 hours per day) * (10 days))

(53687091200 bytes) * (240 hours the data was stored for)

12884901888000 byte-hours

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Calculating the # of byte-hours used in bucket_3 for the given month:

(# of bytes) * (# of hours the data was stored for)

(100 gigabytes * (1024*1024*1024 bytes per gigabyte)) * ((24 hours per day) * (2 days))

(107374182400 bytes) * (48 hours the data was stored for)

5153960755200 byte-hours

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Then, take the sum of byte-hours for the given month from all three buckets, and convert it into gigabyte-months:

(# of byte-hours from bucket_1 + # of byte-hours from bucket_2 + # of byte-hours from bucket_3) / (# of bytes per gigabyte) / (# of hours in the month)

(19327352832000 byte-hours + 12884901888000 byte-hours + 5153960755200 byte-hours) / (1024*1024*1024 bytes per gigabyte) / (24 hours per day * 30 days per month)

(37366215475200 byte-hours) / (1073741824 bytes per gigabyte) / (720 hours per month)

48.33 gigabyte-months

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Finally, lets calculate what the total storage cost for the month will be:

(# of billable gigabyte-months used) * ($ per gigabyte-month)

(48.33 gigabyte-months used - 10 gigabyte-months free) * ($0.0023 per gigabyte-month)

(38.33 billable gigabyte-months used) * ($0.0023 per gigabyte-month)

$0.09

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Therefore, based on the assumptions we made, you would only be charged $0.09 for the storage you used over the course of the month.

How Telnyx bills for operations

Telnyx will keep a record of every API operation that you make. At the end of the month, we will aggregate all of the requests made, subtract the free tier, and charge you accordingly.

For example, let's make a few assumptions:

• You make 100,000 Class A operations every day for an entire month.
• You make 100,000 Class B operations every day for an entire month.
• There are 30 days in a given month.

Now let's figure out how much these operations will cost you.

To calculate the cost of the Class A operations:

(billable Class A operations) * (price per 1 million Class A operations) = Total Cost

((100,000 Class A operations per day) * (30 days per month) - (1 million free Class A operations)) * ($0.50 per 1 million requests) = Total Cost

(3 million Class A operations made in a month - 1 million free Class A operations per month) * * ($0.50 per 1 million Class A operations) = Total Cost

(2 million billable Class A operations) * ($0.50 per 1 million Class A Operations) = Total Cost

Total Cost = $1.00

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To calculate the cost of the Class B Operations:

(billable Class B operations) * (price per 1 million Class B operations) = Total Cost

((100,000 Class B operations per day) * (30 days per month) - (10 million free Class B operations)) * ($0.04 per 1 million requests) = Total Cost

(3 million Class B operations made in a month - 10 million free Class B operations per month) * ($0.04 per 1 million Class B operations) = Total Cost

(0 billable Class B operations) * ($0.04 per 1 million Class B Operations) = Total Cost

Total Cost = $0

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In the example above, the user did not make enough Class B operations that month to exceed the free tier. Therefore, they had 0 billable Class B operations, and were not charged for those operations.

Operation type classification

We define requests as Class A and Class B operations based on the following table: