> For the complete documentation index, see [llms.txt](https://docs.console.zenlayer.com/api-reference/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.console.zenlayer.com/api-reference/welcome.md).

# Welcome

Welcome to Zenlayer Cloud API.

Zenlayer Cloud API is built on the HTTP protocol and follows the OpenAPI specification. Pick a product below to jump straight to its API reference, or start with [API Calls](/api-reference/api-introduction/instruction.md) to learn the request structure, authentication and common error codes.

<table data-column-title-hidden data-view="cards"><thead><tr><th align="center"></th><th align="center"></th><th data-hidden data-card-cover data-type="image">Cover image</th><th data-hidden data-card-target data-type="content-ref"></th><th data-hidden data-card-cover-dark data-type="image">Cover image (dark)</th></tr></thead><tbody><tr><td align="center"><a href="/api-reference/zec/overview.md"><mark style="color:blue;"><strong>Elastic Compute</strong></mark></a></td><td align="center">Scalable virtual machines, storage and VPC networking</td><td><a href="https://2332229683-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FFpljSy3Tbj4tcqXwT8g7%2Fuploads%2Fgit-blob-0e03bd09fc81fd6eff0fc1f04e709b79c10a015b%2Fcard-elastic-compute.jpg?alt=media">card-elastic-compute.jpg</a></td><td><a href="/api-reference/zec/overview.md">Overview</a></td><td><a href="https://2332229683-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FFpljSy3Tbj4tcqXwT8g7%2Fuploads%2Fgit-blob-cf973b250aefd2f7a2d781dd41a7962be2c17a73%2Fcard-elastic-compute-dark.jpg?alt=media">card-elastic-compute-dark.jpg</a></td></tr><tr><td align="center"><a href="/api-reference/bmc/overview.md"><mark style="color:blue;"><strong>Bare Metal</strong></mark></a></td><td align="center">Dedicated physical servers with cloud-like elasticity</td><td><a href="https://2332229683-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FFpljSy3Tbj4tcqXwT8g7%2Fuploads%2Fgit-blob-3c4937b515c65b0f74745dc9d8b347f84c7cf8fe%2Fcard-bare-metal.jpg?alt=media">card-bare-metal.jpg</a></td><td><a href="/api-reference/bmc/overview.md">Overview</a></td><td><a href="https://2332229683-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FFpljSy3Tbj4tcqXwT8g7%2Fuploads%2Fgit-blob-46e864d357956875be9de7ad28537d10dd5e9124%2Fcard-bare-metal-dark.jpg?alt=media">card-bare-metal-dark.jpg</a></td></tr><tr><td align="center"><a href="/api-reference/sdn/overview.md"><mark style="color:blue;"><strong>Cloud Networking</strong></mark></a></td><td align="center">On-demand private connections between data centers and clouds</td><td><a href="https://2332229683-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FFpljSy3Tbj4tcqXwT8g7%2Fuploads%2Fgit-blob-30ee4da1c101849e6476912ededad333682e1b46%2Fcard-cloud-networking.jpg?alt=media">card-cloud-networking.jpg</a></td><td><a href="/api-reference/sdn/overview.md">Overview</a></td><td><a href="https://2332229683-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FFpljSy3Tbj4tcqXwT8g7%2Fuploads%2Fgit-blob-948fb9df1c032dc98503cb47d91c79e6f1ed612b%2Fcard-cloud-networking-dark.jpg?alt=media">card-cloud-networking-dark.jpg</a></td></tr><tr><td align="center"><a href="/api-reference/ai/aig.md"><mark style="color:blue;"><strong>AI Gateway</strong></mark></a></td><td align="center">One unified endpoint for mainstream LLM and multimodal models</td><td><a href="https://2332229683-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FFpljSy3Tbj4tcqXwT8g7%2Fuploads%2Fgit-blob-842d633eca9fa01698ed0ddc40ab3a3c7e7dba38%2Fcard-ai-gateway.svg?alt=media">card-ai-gateway.svg</a></td><td><a href="/api-reference/ai/aig.md">AI Gateway</a></td><td><a href="https://2332229683-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FFpljSy3Tbj4tcqXwT8g7%2Fuploads%2Fgit-blob-e032879048a1d68afad93f5e8e0ae7cd1146aa65%2Fcard-ai-gateway-dark.svg?alt=media">card-ai-gateway-dark.svg</a></td></tr><tr><td align="center"><a href="/api-reference/zlb/overview.md"><mark style="color:blue;"><strong>Load Balancing</strong></mark></a></td><td align="center">Distribute traffic across backend servers with health checks</td><td><a href="https://2332229683-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FFpljSy3Tbj4tcqXwT8g7%2Fuploads%2Fgit-blob-e48091ecb1393e68943693b7d001c3c5db39c77e%2Fcard-load-balancing.svg?alt=media">card-load-balancing.svg</a></td><td><a href="/api-reference/zlb/overview.md">Overview</a></td><td><a href="https://2332229683-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FFpljSy3Tbj4tcqXwT8g7%2Fuploads%2Fgit-blob-fbb215e201214c1d89538513733b3acc6da9cd88%2Fcard-load-balancing-dark.svg?alt=media">card-load-balancing-dark.svg</a></td></tr><tr><td align="center"><a href="/api-reference/traffic/overview.md"><mark style="color:blue;"><strong>Traffic</strong></mark></a></td><td align="center">Bandwidth clusters and traffic usage management</td><td><a href="https://2332229683-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FFpljSy3Tbj4tcqXwT8g7%2Fuploads%2Fgit-blob-a10e332a8956454c233fec9a24f9698796414fff%2Fcard-traffic.svg?alt=media">card-traffic.svg</a></td><td><a href="/api-reference/traffic/overview.md">Overview</a></td><td><a href="https://2332229683-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FFpljSy3Tbj4tcqXwT8g7%2Fuploads%2Fgit-blob-653ecf65eb1828e5e623e944d5fff25b9800cdfa%2Fcard-traffic-dark.svg?alt=media">card-traffic-dark.svg</a></td></tr><tr><td align="center"><a href="/api-reference/ipt/overview.md"><mark style="color:blue;"><strong>IP Transit</strong></mark></a></td><td align="center">High-quality global IP transit connectivity</td><td><a href="https://2332229683-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FFpljSy3Tbj4tcqXwT8g7%2Fuploads%2Fgit-blob-ee1287e74f6298ac9fd5d6d40165bfa24593bc3c%2Fcard-ip-transit.svg?alt=media">card-ip-transit.svg</a></td><td><a href="/api-reference/ipt/overview.md">Overview</a></td><td><a href="https://2332229683-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FFpljSy3Tbj4tcqXwT8g7%2Fuploads%2Fgit-blob-bfef29155030a1ab1d507e42541c1ced2931850e%2Fcard-ip-transit-dark.svg?alt=media">card-ip-transit-dark.svg</a></td></tr><tr><td align="center"><a href="/api-reference/zga/overview.md"><mark style="color:blue;"><strong>Global Accelerator</strong></mark></a></td><td align="center">Dynamic content acceleration for improved user experience</td><td><a href="https://2332229683-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FFpljSy3Tbj4tcqXwT8g7%2Fuploads%2Fgit-blob-d04f18f433a2da95c31b907a88f9d164ca988410%2Fcard-global-accelerator.jpg?alt=media">card-global-accelerator.jpg</a></td><td><a href="/api-reference/zga/overview.md">Overview</a></td><td><a href="https://2332229683-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FFpljSy3Tbj4tcqXwT8g7%2Fuploads%2Fgit-blob-1f17c79d207153b7324448c15b4169a32aa6fca4%2Fcard-global-accelerator-dark.jpg?alt=media">card-global-accelerator-dark.jpg</a></td></tr><tr><td align="center"><a href="/api-reference/cdn/overview.md"><mark style="color:blue;"><strong>Content Delivery Network</strong></mark></a></td><td align="center">Fast and secure static and dynamic content delivery</td><td><a href="https://2332229683-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FFpljSy3Tbj4tcqXwT8g7%2Fuploads%2Fgit-blob-31051b4aa32beda9cf88ca2779e0c2fba3f765a1%2Fcard-cdn.jpg?alt=media">card-cdn.jpg</a></td><td><a href="/api-reference/cdn/overview.md">Overview</a></td><td><a href="https://2332229683-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FFpljSy3Tbj4tcqXwT8g7%2Fuploads%2Fgit-blob-2641a31ed8c3f61eb40389f75d7d5d81f90cd68a%2Fcard-cdn-dark.jpg?alt=media">card-cdn-dark.jpg</a></td></tr></tbody></table>

<details>

<summary><mark style="color:blue;"><strong>More Services</strong></mark></summary>

<table data-column-title-hidden data-view="cards"><thead><tr><th align="center"></th><th align="center"></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td align="center"><a href="/api-reference/ai/mcpg.md"><mark style="color:blue;"><strong>MCP Gateway</strong></mark></a></td><td align="center">Hosted MCP tools for search, crawling and academic research</td><td><a href="/api-reference/ai/mcpg.md">MCP Gateway (MCPG)</a></td></tr><tr><td align="center"><a href="/api-reference/zdns/overview.md"><mark style="color:blue;"><strong>Private DNS</strong></mark></a></td><td align="center">Private zones and records for internal name resolution</td><td><a href="/api-reference/zdns/overview.md">Overview</a></td></tr><tr><td align="center"><a href="/api-reference/security/ccs.md"><mark style="color:blue;"><strong>Key Services</strong></mark></a></td><td align="center">SSH key pair management for your instances</td><td><a href="/api-reference/security/ccs.md">Key Services</a></td></tr><tr><td align="center"><a href="/api-reference/security/zos.md"><mark style="color:blue;"><strong>Orchestration Services</strong></mark></a></td><td align="center">Run commands and automate operations on your instances</td><td><a href="/api-reference/security/zos.md">Orchestration Services</a></td></tr><tr><td align="center"><a href="/api-reference/platform-service/zrm.md"><mark style="color:blue;"><strong>Resource Management</strong></mark></a></td><td align="center">Tags and resource groups across all Zenlayer products</td><td><a href="/api-reference/platform-service/zrm.md">Resource Management</a></td></tr><tr><td align="center"><a href="/api-reference/platform-service/user.md"><mark style="color:blue;"><strong>User &#x26; Permission</strong></mark></a></td><td align="center">Sub-users, roles and access policies</td><td><a href="/api-reference/platform-service/user.md">User &amp; Permission</a></td></tr><tr><td align="center"><a href="/api-reference/platform-service/zbc.md"><mark style="color:blue;"><strong>Billing Center</strong></mark></a></td><td align="center">Bills, transactions and account balance</td><td><a href="/api-reference/platform-service/zbc.md">Billing Center</a></td></tr><tr><td align="center"><a href="/api-reference/platform-service/zls.md"><mark style="color:blue;"><strong>Audit Logs</strong></mark></a></td><td align="center">Operation records of your team and sub-users</td><td><a href="/api-reference/platform-service/zls.md">Audit Logs</a></td></tr><tr><td align="center"><a href="/api-reference/platform-service/zsp.md"><mark style="color:blue;"><strong>Support</strong></mark></a></td><td align="center">Ticket and support APIs</td><td><a href="/api-reference/platform-service/zsp.md">Support</a></td></tr><tr><td align="center"><a href="/api-reference/legacy/vm.md"><mark style="color:blue;"><strong>Virtual Machine (Legacy)</strong></mark></a></td><td align="center">Legacy virtual machine APIs, kept for existing workloads</td><td><a href="/api-reference/legacy/vm.md">Virtual Machine(Legacy)</a></td></tr></tbody></table>

</details>

## Getting Started

<table data-column-title-hidden data-view="cards"><thead><tr><th align="center"></th><th align="center"></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td align="center"><a href="/api-reference/api-introduction/instruction.md"><mark style="color:blue;"><strong>API Calls</strong></mark></a></td><td align="center">Request structure, authentication, responses and error codes</td><td><a href="/api-reference/api-introduction/instruction.md">API Calls</a></td></tr><tr><td align="center"><a href="/api-reference/api-introduction/toolkit/api-sdk.md"><mark style="color:blue;"><strong>API SDK</strong></mark></a></td><td align="center">Java, Go and Python SDKs for fast integration</td><td><a href="/api-reference/api-introduction/toolkit/api-sdk.md">API SDK</a></td></tr><tr><td align="center"><a href="/api-reference/api-introduction/toolkit/postman-debug.md"><mark style="color:blue;"><strong>Postman</strong></mark></a></td><td align="center">Run and debug requests in Postman</td><td><a href="/api-reference/api-introduction/toolkit/postman-debug.md">Run Requests in Postman</a></td></tr></tbody></table>

If you have any questions about using Zenlayer Cloud API, please contact Zenlayer Support.