Charge
You can use the functions of the Express Tunnel product to realize data interconnection between the on-premises Internet Data Center (IDC) and the cloud-based Virtual Private Cloud (VPC). Using Baidu AI Cloud Express Tunnel product requires payment of relevant fees. Among them, Baidu AI Cloud charges fees related to the use of the Express Tunnel product, and this article introduces the details of this part of the fees.
Charge item
When using Baidu AI Cloud Express Tunnel product, the fees charged by Baidu AI Cloud and the fees not charged by Baidu AI Cloud are as shown in the figure below. For more introductions to billing items and billing formulas, refer to Billing Item Instructions.

Charge
| Fee type | Charge item | Physical dedicated line billing instructions | Cross account dedicated channel billing instructions | Charge type |
| Fees not charged by Baidu AI Cloud | Line deployment fee | The fee for deploying optical cables between your on-premises IDC and the Baidu AI Cloud access point is charged by the third-party ISP that actually provides services for you. You need to consult the ISP independently about the relevant price and line planning. | The fee for deploying lines between your on-premises IDC and the Baidu AI Cloud partner (also called ISP) you selected is charged by the Baidu AI Cloud partner you chose. You need to contact the partner independently to consult the price. | Subject to the standards of the actual charging party |
| In-building cable rental fee | When your ISP lays optical cables and enters the equipment room of a third-party property access point that is not Baidu AI Cloud’s property, you may need to pay the in-building cable rental fee to the third-party property. | Subject to the standards of the actual charging party | ||
| Optical module | Baidu AI Cloud only provides 1G/10G/100G/400G single-mode optical modules (modules cannot be provided if the data transmission distance exceeds 10 km). Therefore, customers must prepare their own client-side modules. | Not applicable | Subject to the standards of the actual charging party | |
| Fees charged by Baidu AI Cloud | Port resource occupancy fee | Charged based on the specification of the physical dedicated line port. Currently, only the subscription billing method is supported. | Relevant fees are charged by the Baidu AI Cloud partner you chose. You need to contact the partner independently to consult the price. | Subscription |
| Egress traffic fee | Charged based on the total traffic of the dedicated channel in the egress direction. Only the egress traffic fee is charged, and the ingress traffic is free. Currently, only the pay-as-you-go billing method is supported. | Baidu AI Cloud currently offers a preferential policy of waiving the egress traffic fee for newly added dedicated lines. | Pay-as-you-go |
Description
The port resource occupancy fee and egress traffic fee are both mandatory billing items for the Express Tunnel product. Only when both the port resource and egress traffic services are in the available state can the Express Tunnel product be used normally.
Resource price
You can view the port resource occupancy fee and egress traffic fee on the Price Details page. The price details are for reference only; the specific fee shall be subject to the actual order result in the Express Tunnel Console.
Bill query
You can query the bill information of the cloud resources purchased under your account. You can also query bill details by configuring custom fields, filtering different statistical items and statistical cycles, etc., and export the full-field bill data under the required conditions according to your own needs. For detailed operations, refer to Bill Management.
