> ## Documentation Index
> Fetch the complete documentation index at: https://docs.x402layer.cc/llms.txt
> Use this file to discover all available pages before exploring further.

# SDKs & Packages

> Every official Singularity SDK, package, and CLI in one place — install commands and source repositories.

One catalog of every official package across the Singularity platform — pick what you need.

## Grid inference

Clients for [SGL Grid](/cloud/grid/overview) (decentralized confidential inference). OpenAI-compatible.

| Language   | Install                               | Package                                                      | Source                                                                        | Guide                           |
| ---------- | ------------------------------------- | ------------------------------------------------------------ | ----------------------------------------------------------------------------- | ------------------------------- |
| TypeScript | `npm install @singularity-layer/grid` | [npm](https://www.npmjs.com/package/@singularity-layer/grid) | [sgl-network-sdk-ts](https://github.com/Singularity-Layer/sgl-network-sdk-ts) | [TS SDK](/cloud/sdk/typescript) |
| Python     | `pip install singularity-grid`        | [PyPI](https://pypi.org/project/singularity-grid/)           | [sgl-network-sdk](https://github.com/Singularity-Layer/sgl-network-sdk)       | [Python SDK](/cloud/sdk/python) |
| Any        | —                                     | OpenAI SDK (drop-in)                                         | —                                                                             | [API guide](/cloud/grid/api)    |

## Payments & receipts

The **Singularity Payments SDK** verifies x402 payment receipts (signed JWTs) server-side — gate content, confirm purchases, audit payments.

| Language | Install                                                                                  | Source                                                            | Guide                                    |
| -------- | ---------------------------------------------------------------------------------------- | ----------------------------------------------------------------- | ---------------------------------------- |
| Node.js  | `npm install x402sgl`                                                                    | [Singularity-SDK](https://github.com/ivaavimusic/Singularity-SDK) | [SDK & Receipts](/payments/sdk-receipts) |
| Python   | `pip install git+https://github.com/ivaavimusic/Singularity-SDK.git#subdirectory=python` | [Singularity-SDK](https://github.com/ivaavimusic/Singularity-SDK) | [SDK & Receipts](/payments/sdk-receipts) |

## Operators (run a node)

| Tool               | Source                                                                    | Guide                                                                         |
| ------------------ | ------------------------------------------------------------------------- | ----------------------------------------------------------------------------- |
| **`sgl` node CLI** | [sgl-network-node](https://github.com/Singularity-Layer/sgl-network-node) | [CLI reference](/cloud/provide/cli) · [Node setup](/cloud/provide/node-setup) |

## On-chain

| Program                    | Source                                                          | Guide                                   |
| -------------------------- | --------------------------------------------------------------- | --------------------------------------- |
| **\$SGL staking** (Anchor) | [sgl-staking](https://github.com/Singularity-Layer/sgl-staking) | [Staking Engine](/staking/introduction) |

## Endpoints

| Surface                      | URL                                                  |
| ---------------------------- | ---------------------------------------------------- |
| Grid API (OpenAI-compatible) | `https://grid.x402compute.cc/v1`                     |
| Machines API (provisioning)  | `https://compute.x402layer.cc`                       |
| Cloud dashboard              | [cloud.x402compute.cc](https://cloud.x402compute.cc) |

<Note>Building agents? There are also installable **skills** (not SDKs) — see the **Skills** section.</Note>