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@ideal-postcodes/core-axios v2.2.1

Axios based client for

Ideal Postcodes Axios

Axios backed JavaScript client for

CI codecov Dependency Status npm version install size Release

@ideal-postcodes/core-axios is the Axios backed client for Axios is a promise based HTTP client for the browser and node.js and so is ideal for:

  • Frameworks that utilise server side rendering (Angular, Next.js, React, etc)
  • Isomorphic code (runs on browser and server)

Our JavaScript client implements a common interface defined at @ideal-postcodes/core-interface.

High level client documentation can be found at core-interface.

In depth client documentation can be found at


Other JavaScript Clients


Configuration & Usage


npm install @ideal-postcodes/core-axios


const { Client } = require("@ideal-postcodes/core-axios");

// or, if applicable,
import { Client } from "@ideal-postcodes/core-axios"

const client = new Client({ api_key: "iddqd" });

Configuration options


const addresses = await client.lookupPostcode({ postcode: "SW1A2AA" });

Catch Errors

const { IdpcRequestFailedError } = Client.errors;

try {
  await client.lookupAddress({ query: "10 downing street" });
} catch (error) {
  if (error instanceof IdpcRequestFailedError) {
    // IdpcRequestFailedError indicates a 402 response code
    // Possibly the key balance has been depleted


npm test



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