Ryan/remove axios

CLAUDE.md

@@ -13,6 +13,7 @@ npx prettier --write .  # Format all files (respects .prettierignore)
 ```
 
 Makefile targets (used by CI):
+
 ```bash
 make test          # fmt + test (installs deps if needed)
 make build         # Rollup build
@@ -26,7 +27,7 @@ To run a single test file:
 npx mocha --require tsx/cjs tests/test_RetrySender.ts
 ```
 
-Build outputs dual formats via Rollup: `dist/cjs/` (CommonJS), `dist/esm/` (ESM), and `dist/types/` (declarations). Rollup preserves module structure (`preserveModules: true`). Axios and axios-retry are external dependencies (not bundled).
+Build outputs dual formats via Rollup: `dist/cjs/` (CommonJS), `dist/esm/` (ESM), and `dist/types/` (declarations). Rollup preserves module structure (`preserveModules: true`). `undici` is the only external dependency (not bundled).
 
 ## Architecture
 
@@ -41,7 +42,7 @@ CustomQuerySender → LicenseSender → BaseUrlSender → CustomHeaderSender
 → AgentSender → RetrySender → SigningSender → StatusCodeSender → HttpSender
 ```
 
-Each sender adds specific functionality (authentication, retries, headers, etc.). The `HttpSender` at the end uses Axios for actual HTTP transport.
+Each sender adds specific functionality (authentication, retries, headers, etc.). The `HttpSender` at the end uses the Fetch API for HTTP transport (with optional `undici` `ProxyAgent` for proxy support in Node.js).
 
 All senders implement the `Sender` interface from `src/types.ts`, which also defines the core `Request` and `Response` contracts that flow through the chain.
 

UPGRADING.md

@@ -88,11 +88,11 @@ console.log(response.lookups[0].result);
 
 ## Import Patterns
 
-| Style | Syntax |
-| --- | --- |
-| ESM default import | `import SmartySDK from "smartystreets-javascript-sdk"` |
-| ESM named imports | `import { core, usStreet } from "smartystreets-javascript-sdk"` |
-| CommonJS | `const SmartySDK = require("smartystreets-javascript-sdk")` |
+| Style                  | Syntax                                                              |
+| ---------------------- | ------------------------------------------------------------------- |
+| ESM default import     | `import SmartySDK from "smartystreets-javascript-sdk"`              |
+| ESM named imports      | `import { core, usStreet } from "smartystreets-javascript-sdk"`     |
+| CommonJS               | `const SmartySDK = require("smartystreets-javascript-sdk")`         |
 | TypeScript type import | `import type { MatchStrategy } from "smartystreets-javascript-sdk"` |
 
 ## FAQ

examples/international_address_autocomplete.ts

@@ -1,4 +1,8 @@
-import { ClientBuilder, BasicAuthCredentials, LookupInternationalAddressAutocomplete } from "smartystreets-javascript-sdk";
+import {
+	ClientBuilder,
+	BasicAuthCredentials,
+	LookupInternationalAddressAutocomplete,
+} from "smartystreets-javascript-sdk";
 
 // for client-side requests (browser/mobile), use this code:
 // import { SharedCredentials } from "smartystreets-javascript-sdk";
@@ -41,7 +45,10 @@ function logSuggestions(response: LookupInternationalAddressAutocomplete, messag
 	console.log("\n");
 }
 
-async function handleRequest(lookup: LookupInternationalAddressAutocomplete, lookupType: string): Promise<void> {
+async function handleRequest(
+	lookup: LookupInternationalAddressAutocomplete,
+	lookupType: string,
+): Promise<void> {
 	try {
 		const results = await client.send(lookup);
 		logSuggestions(results, lookupType);

examples/international_postal_code.ts

@@ -1,4 +1,8 @@
-import { ClientBuilder, BasicAuthCredentials, LookupInternationalPostalCode } from "smartystreets-javascript-sdk";
+import {
+	ClientBuilder,
+	BasicAuthCredentials,
+	LookupInternationalPostalCode,
+} from "smartystreets-javascript-sdk";
 
 // for client-side requests (browser/mobile), use this code:
 // import { SharedCredentials } from "smartystreets-javascript-sdk";
@@ -43,7 +47,10 @@ function displayResult(lookup: LookupInternationalPostalCode, message: string):
 	console.log("\n");
 }
 
-async function handleResponse(lookup: LookupInternationalPostalCode, lookupType: string): Promise<void> {
+async function handleResponse(
+	lookup: LookupInternationalPostalCode,
+	lookupType: string,
+): Promise<void> {
 	try {
 		const result = await client.send(lookup);
 		displayResult(result, lookupType);
@@ -59,7 +66,13 @@ async function main(): Promise<void> {
 	// lookup1.addCustomParameter("input_id", 1234);
 
 	// Lookup by locality, administrative area, and country
-	const lookup2 = new LookupInternationalPostalCode("Brazil", undefined, "SP", "Sao Paulo", "ID-8675309");
+	const lookup2 = new LookupInternationalPostalCode(
+		"Brazil",
+		undefined,
+		"SP",
+		"Sao Paulo",
+		"ID-8675309",
+	);
 
 	await handleResponse(lookup1, "Postal code lookup");
 	await handleResponse(lookup2, "Locality and administrative area lookup");

examples/international_street.ts

@@ -1,4 +1,8 @@
-import { ClientBuilder, BasicAuthCredentials, LookupInternationalStreet } from "smartystreets-javascript-sdk";
+import {
+	ClientBuilder,
+	BasicAuthCredentials,
+	LookupInternationalStreet,
+} from "smartystreets-javascript-sdk";
 
 // for client-side requests (browser/mobile), use this code:
 // import { SharedCredentials } from "smartystreets-javascript-sdk";

examples/us_autocomplete_pro.ts

@@ -1,4 +1,8 @@
-import { ClientBuilder, BasicAuthCredentials, LookupUSAutocompletePro } from "smartystreets-javascript-sdk";
+import {
+	ClientBuilder,
+	BasicAuthCredentials,
+	LookupUSAutocompletePro,
+} from "smartystreets-javascript-sdk";
 
 // for client-side requests (browser/mobile), use this code:
 // import { SharedCredentials } from "smartystreets-javascript-sdk";

examples/us_enrichment.ts

@@ -1,4 +1,8 @@
-import { ClientBuilder, BasicAuthCredentials, LookupUSEnrichment } from "smartystreets-javascript-sdk";
+import {
+	ClientBuilder,
+	BasicAuthCredentials,
+	LookupUSEnrichment,
+} from "smartystreets-javascript-sdk";
 
 // for client-side requests (browser/mobile), use this code:
 // import { SharedCredentials } from "smartystreets-javascript-sdk";

examples/us_reverse_geo.ts

@@ -1,4 +1,8 @@
-import { ClientBuilder, BasicAuthCredentials, LookupUSReverseGeo } from "smartystreets-javascript-sdk";
+import {
+	ClientBuilder,
+	BasicAuthCredentials,
+	LookupUSReverseGeo,
+} from "smartystreets-javascript-sdk";
 
 // for client-side requests (browser/mobile), use this code:
 // import { SharedCredentials } from "smartystreets-javascript-sdk";

examples/us_street.ts

@@ -1,4 +1,9 @@
-import { ClientBuilder, BasicAuthCredentials, LookupUSStreet, Batch } from "smartystreets-javascript-sdk";
+import {
+	ClientBuilder,
+	BasicAuthCredentials,
+	LookupUSStreet,
+	Batch,
+} from "smartystreets-javascript-sdk";
 
 // for client-side requests (browser/mobile), use this code:
 // import { SharedCredentials } from "smartystreets-javascript-sdk";

examples/us_zipcode.ts

@@ -1,4 +1,9 @@
-import { ClientBuilder, BasicAuthCredentials, LookupUSZipcode, Batch } from "smartystreets-javascript-sdk";
+import {
+	ClientBuilder,
+	BasicAuthCredentials,
+	LookupUSZipcode,
+	Batch,
+} from "smartystreets-javascript-sdk";
 
 // for client-side requests (browser/mobile), use this code:
 // import { SharedCredentials } from "smartystreets-javascript-sdk";