feat: adds tempo testnet faq & quickstart

fern/api-reference/tempo/tempo-api-faq.mdx

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+---
+title: Tempo API FAQ
+description: Frequently asked questions about the Tempo API
+subtitle: Frequently asked questions about the Tempo API
+slug: reference/tempo-api-faq
+---
+
+## What is Tempo?
+Tempo is a general-purpose blockchain optimized for payments. Tempo is designed to be a low-cost, high-throughput blockchain with user and developer features core to a modern payment system.
+
+## How do I get started with Tempo?
+Check out our [Tempo API Quickstart guide](./tempo-api-quickstart) to get started building on Tempo.
+
+## What is the Tempo API?
+The Tempo API allows developers to interface with the Tempo mainnet. With this API, developers can execute transactions, query on-chain data, and interact with the Tempo network, relying on a JSON-RPC standard.
+
+## Is Tempo EVM compatible?
+Yes, Tempo is EVM compatible.
+
+## What API does Tempo use?
+Tempo uses the JSON-RPC API standard. This API is crucial for any blockchain interaction on the Tempo network, allowing users to read block/transaction data, query chain information, execute smart contracts, and store data on-chain.
+
+## What methods are supported on Tempo?
+Tempo supports standard Ethereum JSON-RPC methods. Some chain-specific methods may vary. Please check the Tempo API endpoints documentation for a complete list.
+
+## What is a Tempo API key?
+When accessing the Tempo network via a node provider like Alchemy, Tempo developers use an API key to send transactions and retrieve data from the network. For the best development experience, we recommend that you [sign up for a free API key](https://dashboard.alchemy.com/signup)!
+
+## Which libraries support Tempo?
+Common Ethereum libraries like [ethers.js](https://docs.ethers.org/v5/) should be compatible with Tempo, given its EVM nature.
+
+## My question isn’t here, where can I get help?
+If you have any questions or feedback, please contact us at [email protected] or open a ticket in the dashboard.

fern/api-reference/tempo/tempo-api-quickstart.mdx

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+---
+title: Tempo API Quickstart
+description: How to get started building on Tempo and using the JSON-RPC API
+subtitle: How to get started building on Tempo and using the JSON-RPC API
+slug: reference/tempo-api-quickstart
+---
+
+*To use the Tempo API you'll need to [create a free Alchemy account](https://dashboard.alchemy.com/signup) first!*
+
+## Introduction
+
+Tempo is a general-purpose blockchain optimized for payments. Tempo is designed to be a low-cost, high-throughput blockchain with user and developer features core to a modern payment system.
+
+## What is the Tempo API?
+
+The Tempo API allows interaction with the Tempo network through a set of JSON-RPC methods. Its design is familiar to developers who have worked with Ethereum's JSON-RPC APIs, making it intuitive and straightforward to use.
+
+## Getting Started Instructions
+
+### 1. Choose a Package Manager (npm or yarn)
+
+Select a package manager to manage your project's dependencies. Choose between `npm` and `yarn` based on your preference or project requirements.
+
+<CodeGroup>
+  ```shell npm
+  # Begin with npm by following the npm documentation
+  # https://docs.npmjs.com/downloading-and-installing-node-js-and-npm
+  ```
+
+  ```shell yarn
+  # For yarn, refer to yarn's installation guide
+  # https://classic.yarnpkg.com/lang/en/docs/install
+  ```
+</CodeGroup>
+
+### 2. Set Up Your Project
+
+Open your terminal and execute the following commands to create and initialize your project:
+
+<CodeGroup>
+  ```shell npm
+  mkdir tempo-api-quickstart
+  cd tempo-api-quickstart
+  npm init --yes
+  ```
+
+  ```shell yarn
+  mkdir tempo-api-quickstart
+  cd tempo-api-quickstart
+  yarn init --yes
+  ```
+</CodeGroup>
+
+This creates a new directory named `tempo-api-quickstart` and initializes a Node.js project within it.
+
+### 3. Make Your First Request
+
+Install Axios, a popular HTTP client, to make API requests:
+
+<CodeGroup>
+  ```shell npm
+  npm install axios
+  ```
+
+  ```shell yarn
+  yarn add axios
+  ```
+</CodeGroup>
+
+Create an `index.js` file in your project directory and paste the following code:
+
+<CodeGroup>
+  ```javascript index.js
+  const axios = require('axios');
+
+  const url = 'https://tempo-testnet.g.alchemy.com/v2/${your-api-key}';
+
+  const payload = {
+    jsonrpc: '2.0',
+    id: 1,
+    method: 'eth_blockNumber',
+    params: []
+  };
+
+  axios.post(url, payload)
+    .then(response => {
+      console.log('Latest Block:', response.data.result);
+    })
+    .catch(error => {
+      console.error(error);
+    });
+  ```
+</CodeGroup>
+
+Remember to replace `your-api-key` with your actual Alchemy API key that you can get from your [Alchemy dashboard](https://dashboard.alchemy.com/signup).
+
+### 4. Run Your Script
+
+Execute your script to make a request to the Tempo network:
+
+<CodeGroup>
+  ```shell shell
+  node index.js
+  ```
+</CodeGroup>
+
+You should see the latest block information from Tempo's network outputted to your console:
+
+<CodeGroup>
+  ```shell shell
+  Latest Block: 0x...
+  ```
+</CodeGroup>
+
+## Next Steps
+
+Congratulations! You've made your first request to the Tempo network. You can now explore the various JSON-RPC methods available on Tempo and start building your dApps on this innovative platform.