diff --git a/package-lock.json b/package-lock.json
index f47ad66a1..6b2af4283 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -11,19 +11,18 @@
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@@ -3325,15 +3306,6 @@
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@@ -5429,6 +5411,25 @@
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+        "node": "4.x || >=6.0.0"
+      },
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@@ -6962,79 +6954,6 @@
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@@ -7319,6 +7238,11 @@
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-        "qs": {
-          "version": "6.10.1",
-          "resolved": "https://registry.npmjs.org/qs/-/qs-6.10.1.tgz",
-          "integrity": "sha512-M528Hph6wsSVOBiYUnGf+K/7w0hNshs/duGsNXPUCLH5XAqjEtiPGwNONLV0tBH8NoGb0mvD5JubnUTrujKDTg==",
-          "requires": {
-            "side-channel": "^1.0.4"
-          }
-        },
-        "readable-stream": {
-          "version": "3.6.0",
-          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.6.0.tgz",
-          "integrity": "sha512-BViHy7LKeTz4oNnkcLJ+lVSL6vpiFeX6/d3oSH8zCW7UxP2onchk+vTGB143xuFjHS3deTgkKoXXymXqymiIdA==",
-          "requires": {
-            "inherits": "^2.0.3",
-            "string_decoder": "^1.1.1",
-            "util-deprecate": "^1.0.1"
-          }
-        }
-      }
-    },
     "supports-color": {
       "version": "8.1.1",
       "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-8.1.1.tgz",
@@ -13882,6 +13758,11 @@
         "punycode": "^2.1.1"
       }
     },
+    "tr46": {
+      "version": "0.0.3",
+      "resolved": "https://registry.npmjs.org/tr46/-/tr46-0.0.3.tgz",
+      "integrity": "sha512-N3WMsuqV66lT30CrXNbEjx4GEwlow3v6rr4mCcv6prnfwhS01rkgyFdjPNBYd9br7LpXV1+Emh01fHnq2Gdgrw=="
+    },
     "tree-kill": {
       "version": "1.2.2",
       "resolved": "https://registry.npmjs.org/tree-kill/-/tree-kill-1.2.2.tgz",
@@ -14141,7 +14022,8 @@
     "util-deprecate": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
-      "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8="
+      "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8=",
+      "dev": true
     },
     "utils-merge": {
       "version": "1.0.1",
@@ -14221,6 +14103,11 @@
         "graceful-fs": "^4.1.2"
       }
     },
+    "webidl-conversions": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-3.0.1.tgz",
+      "integrity": "sha512-2JAn3z8AR6rjK8Sm8orRC0h/bcl/DqL7tRPdGZ4I1CjdF+EaMLmYxBHyXuKL849eucPFhvBoxMsflfOb8kxaeQ=="
+    },
     "webpack": {
       "version": "5.38.1",
       "resolved": "https://registry.npmjs.org/webpack/-/webpack-5.38.1.tgz",
@@ -14408,6 +14295,15 @@
         }
       }
     },
+    "whatwg-url": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/whatwg-url/-/whatwg-url-5.0.0.tgz",
+      "integrity": "sha512-saE57nupxk6v3HY35+jzBwYa0rKSy0XR8JSxZPwgLr7ys0IBzhGviA1/TUGJLmSVqs8pb9AnvICXEuOHLprYTw==",
+      "requires": {
+        "tr46": "~0.0.3",
+        "webidl-conversions": "^3.0.0"
+      }
+    },
     "which": {
       "version": "1.3.1",
       "resolved": "https://registry.npmjs.org/which/-/which-1.3.1.tgz",
@@ -14524,7 +14420,8 @@
     "yallist": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/yallist/-/yallist-4.0.0.tgz",
-      "integrity": "sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A=="
+      "integrity": "sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A==",
+      "dev": true
     },
     "yaml": {
       "version": "1.10.2",
diff --git a/package.json b/package.json
index 1ffc10863..413c39029 100644
--- a/package.json
+++ b/package.json
@@ -19,12 +19,12 @@
   "dependencies": {
     "algo-msgpack-with-bigint": "^2.1.1",
     "buffer": "^6.0.2",
+    "cross-fetch": "^3.1.5",
     "hi-base32": "^0.5.1",
     "js-sha256": "^0.9.0",
     "js-sha3": "^0.8.0",
     "js-sha512": "^0.8.0",
     "json-bigint": "^1.0.0",
-    "superagent": "^6.1.0",
     "tweetnacl": "^1.0.3",
     "vlq": "^2.0.4"
   },
@@ -34,7 +34,6 @@
   "devDependencies": {
     "@types/json-bigint": "^1.0.0",
     "@types/mocha": "^8.2.2",
-    "@types/superagent": "^4.1.11",
     "@types/url-parse": "^1.4.3",
     "@typescript-eslint/eslint-plugin": "^4.26.1",
     "@typescript-eslint/parser": "^4.26.1",
diff --git a/src/client/urlTokenBaseHTTPClient.ts b/src/client/urlTokenBaseHTTPClient.ts
index 157b8d58e..85c20d5f4 100644
--- a/src/client/urlTokenBaseHTTPClient.ts
+++ b/src/client/urlTokenBaseHTTPClient.ts
@@ -1,7 +1,8 @@
-import * as request from 'superagent';
+import { fetch, Response, Headers } from 'cross-fetch';
 import {
   BaseHTTPClient,
   BaseHTTPClientResponse,
+  BaseHTTPClientError,
   Query,
 } from './baseHTTPClient';
 
@@ -21,6 +22,14 @@ export interface CustomTokenHeader {
   [headerName: string]: string;
 }
 
+class URLTokenBaseHTTPError extends Error implements BaseHTTPClientError {
+  constructor(message: string, public response: BaseHTTPClientResponse) {
+    super(message);
+    this.name = 'URLTokenBaseHTTPError';
+    this.response = response;
+  }
+}
+
 export type TokenHeader =
   | AlgodTokenHeader
   | IndexerTokenHeader
@@ -29,7 +38,7 @@ export type TokenHeader =
 
 /**
  * Implementation of BaseHTTPClient that uses a URL and a token
- * and make the REST queries using superagent.
+ * and make the REST queries using fetch.
  * This is the default implementation of BaseHTTPClient.
  */
 export class URLTokenBaseHTTPClient implements BaseHTTPClient {
@@ -64,9 +73,12 @@ export class URLTokenBaseHTTPClient implements BaseHTTPClient {
   /**
    * Compute the URL for a path relative to the instance's address
    * @param relativePath - A path string
+   * @param query - An optional key-value object of query parameters to add to the URL. If the
+   *   relativePath already has query parameters on it, the additional parameters defined here will
+   *   be added to the URL without modifying those (unless a key collision occurs).
    * @returns A URL string
    */
-  private addressWithPath(relativePath: string) {
+  private getURL(relativePath: string, query?: Query<string>): string {
     let fixedRelativePath: string;
     if (relativePath.startsWith('./')) {
       fixedRelativePath = relativePath;
@@ -76,38 +88,65 @@ export class URLTokenBaseHTTPClient implements BaseHTTPClient {
       fixedRelativePath = `./${relativePath}`;
     }
     const address = new URL(fixedRelativePath, this.baseURL);
+    if (query) {
+      for (const [key, value] of Object.entries(query)) {
+        address.searchParams.set(key, value);
+      }
+    }
     return address.toString();
   }
 
-  /**
-   * Convert a superagent response to a valid BaseHTTPClientResponse
-   * Modify the superagent response
-   * @private
-   */
-  private static superagentToHTTPClientResponse(
-    res: request.Response
-  ): BaseHTTPClientResponse {
-    if (res.body instanceof ArrayBuffer) {
-      // Handle the case where the body is an arraybuffer which happens in the browser
-      res.body = new Uint8Array(res.body);
-    }
-    return res;
+  private static formatFetchResponseHeaders(
+    headers: Headers
+  ): Record<string, string> {
+    const headersObj: Record<string, string> = {};
+    headers.forEach((key, value) => {
+      headersObj[key] = value;
+    });
+    return headersObj;
   }
 
-  /**
-   * Make a superagent error more readable. For more info, see https://github.com/visionmedia/superagent/issues/1074
-   */
-  private static formatSuperagentError(err: any): Error {
-    if (err.response) {
-      try {
-        const decoded = JSON.parse(Buffer.from(err.response.body).toString());
-        // eslint-disable-next-line no-param-reassign
-        err.message = `Network request error. Received status ${err.response.status}: ${decoded.message}`;
-      } catch (err2) {
-        // ignore any error that happened while we are formatting the original error
+  private static async checkHttpError(res: Response) {
+    if (res.ok) {
+      return;
+    }
+
+    let body: Uint8Array | null = null;
+    let bodyErrorMessage: string | null = null;
+
+    try {
+      body = new Uint8Array(await res.arrayBuffer());
+      const decoded: Record<string, any> = JSON.parse(
+        Buffer.from(body).toString()
+      );
+      if (decoded.message) {
+        bodyErrorMessage = decoded.message;
       }
+    } catch (_) {
+      // ignore any error that happened while we are parsing the error response
     }
-    return err;
+
+    let message = `Network request error. Received status ${res.status} (${res.statusText})`;
+    if (bodyErrorMessage) {
+      message += `: ${bodyErrorMessage}`;
+    }
+
+    throw new URLTokenBaseHTTPError(message, {
+      body,
+      status: res.status,
+      headers: URLTokenBaseHTTPClient.formatFetchResponseHeaders(res.headers),
+    });
+  }
+
+  private static async formatFetchResponse(
+    res: Response
+  ): Promise<BaseHTTPClientResponse> {
+    await this.checkHttpError(res);
+    return {
+      body: new Uint8Array(await res.arrayBuffer()),
+      status: res.status,
+      headers: URLTokenBaseHTTPClient.formatFetchResponseHeaders(res.headers),
+    };
   }
 
   async get(
@@ -115,20 +154,19 @@ export class URLTokenBaseHTTPClient implements BaseHTTPClient {
     query?: Query<string>,
     requestHeaders: Record<string, string> = {}
   ): Promise<BaseHTTPClientResponse> {
-    const r = request
-      .get(this.addressWithPath(relativePath))
-      .set(this.tokenHeader)
-      .set(this.defaultHeaders)
-      .set(requestHeaders)
-      .responseType('arraybuffer')
-      .query(query);
-
-    try {
-      const res = await r;
-      return URLTokenBaseHTTPClient.superagentToHTTPClientResponse(res);
-    } catch (err) {
-      throw URLTokenBaseHTTPClient.formatSuperagentError(err);
-    }
+    // Expand headers for use in fetch
+    const headers = {
+      ...this.tokenHeader,
+      ...this.defaultHeaders,
+      ...requestHeaders,
+    };
+
+    const res = await fetch(this.getURL(relativePath, query), {
+      mode: 'cors',
+      headers,
+    });
+
+    return URLTokenBaseHTTPClient.formatFetchResponse(res);
   }
 
   async post(
@@ -137,22 +175,21 @@ export class URLTokenBaseHTTPClient implements BaseHTTPClient {
     query?: Query<string>,
     requestHeaders: Record<string, string> = {}
   ): Promise<BaseHTTPClientResponse> {
-    const r = request
-      .post(this.addressWithPath(relativePath))
-      .set(this.tokenHeader)
-      .set(this.defaultHeaders)
-      .set(requestHeaders)
-      .query(query)
-      .serialize((o) => o) // disable serialization from superagent
-      .responseType('arraybuffer')
-      .send(Buffer.from(data)); // Buffer.from necessary for superagent
-
-    try {
-      const res = await r;
-      return URLTokenBaseHTTPClient.superagentToHTTPClientResponse(res);
-    } catch (err) {
-      throw URLTokenBaseHTTPClient.formatSuperagentError(err);
-    }
+    // Expand headers for use in fetch
+    const headers = {
+      ...this.tokenHeader,
+      ...this.defaultHeaders,
+      ...requestHeaders,
+    };
+
+    const res = await fetch(this.getURL(relativePath, query), {
+      method: 'POST',
+      mode: 'cors',
+      body: data,
+      headers,
+    });
+
+    return URLTokenBaseHTTPClient.formatFetchResponse(res);
   }
 
   async delete(
@@ -161,21 +198,20 @@ export class URLTokenBaseHTTPClient implements BaseHTTPClient {
     query?: Query<string>,
     requestHeaders: Record<string, string> = {}
   ): Promise<BaseHTTPClientResponse> {
-    const r = request
-      .delete(this.addressWithPath(relativePath))
-      .set(this.tokenHeader)
-      .set(this.defaultHeaders)
-      .set(requestHeaders)
-      .query(query)
-      .serialize((o) => o) // disable serialization from superagent
-      .responseType('arraybuffer')
-      .send(Buffer.from(data)); // Buffer.from necessary for superagent
-
-    try {
-      const res = await r;
-      return URLTokenBaseHTTPClient.superagentToHTTPClientResponse(res);
-    } catch (err) {
-      throw URLTokenBaseHTTPClient.formatSuperagentError(err);
-    }
+    // Expand headers for use in fetch
+    const headers = {
+      ...this.tokenHeader,
+      ...this.defaultHeaders,
+      ...requestHeaders,
+    };
+
+    const res = await fetch(this.getURL(relativePath, query), {
+      method: 'DELETE',
+      mode: 'cors',
+      body: data,
+      headers,
+    });
+
+    return URLTokenBaseHTTPClient.formatFetchResponse(res);
   }
 }
diff --git a/tests/9.Client.ts b/tests/9.Client.ts
index 9c8760050..7d0d0e11c 100644
--- a/tests/9.Client.ts
+++ b/tests/9.Client.ts
@@ -9,7 +9,7 @@ describe('client', () => {
     /* eslint-disable dot-notation */
     it('should work with trivial paths', () => {
       const client = new URLTokenBaseHTTPClient({}, 'http://localhost');
-      const actual = client['addressWithPath']('/relative');
+      const actual = client['getURL']('/relative');
       const expected = 'http://localhost/relative';
 
       assert.strictEqual(actual, expected);
@@ -17,7 +17,7 @@ describe('client', () => {
 
     it('should work with number ports and trivial paths', () => {
       const client = new URLTokenBaseHTTPClient({}, 'http://localhost', 3000);
-      const actual = client['addressWithPath']('/relative');
+      const actual = client['getURL']('/relative');
       const expected = 'http://localhost:3000/relative';
 
       assert.strictEqual(actual, expected);
@@ -29,12 +29,40 @@ describe('client', () => {
         'https://testnet-algorand.api.purestake.io/ps2/',
         8080
       );
-      const actual = client['addressWithPath']('/relative?with=query');
+      const actual = client['getURL']('/relative?with=query');
       const expected =
         'https://testnet-algorand.api.purestake.io:8080/ps2/relative?with=query';
       assert.strictEqual(actual, expected);
     });
 
+    it('should work with search params', () => {
+      const client = new URLTokenBaseHTTPClient({}, 'http://localhost', 3000);
+      const actual = client['getURL']('/relative', {
+        format: 'json',
+        abc: 'xyz',
+        l: '2',
+      });
+      const expected = 'http://localhost:3000/relative?format=json&abc=xyz&l=2';
+
+      assert.strictEqual(actual, expected);
+    });
+
+    it('should work with search params when the requested URL already has search params', () => {
+      const client = new URLTokenBaseHTTPClient(
+        {},
+        'https://testnet-algorand.api.purestake.io/ps2/',
+        8080
+      );
+      const actual = client['getURL']('/relative?with=query', {
+        format: 'json',
+        abc: 'xyz',
+        l: '2',
+      });
+      const expected =
+        'https://testnet-algorand.api.purestake.io:8080/ps2/relative?with=query&format=json&abc=xyz&l=2';
+      assert.strictEqual(actual, expected);
+    });
+
     it('should encode and decode values correctly', () => {
       const j = '{"total":18446744073709551615, "base":42}';
 
@@ -88,7 +116,7 @@ describe('client', () => {
 
       for (const c of clients) {
         for (const p of relativePaths) {
-          const actual = c['addressWithPath'](p);
+          const actual = c['getURL'](p);
           assert.strictEqual(actual, expected);
         }
       }
diff --git a/tests/cucumber/steps/steps.js b/tests/cucumber/steps/steps.js
index 6904ad221..f9d59afca 100644
--- a/tests/cucumber/steps/steps.js
+++ b/tests/cucumber/steps/steps.js
@@ -2783,7 +2783,7 @@ module.exports = function getSteps(options) {
       compileResponse = await this.v2Client.compile(data).do();
       compileStatusCode = 200;
     } catch (e) {
-      compileStatusCode = e.response.statusCode;
+      compileStatusCode = e.response.status;
       compileResponse = {
         result: '',
         hash: '',
@@ -3383,8 +3383,8 @@ module.exports = function getSteps(options) {
         this.appTxid = await this.v2Client.sendRawTransaction(appStx).do();
       } catch (err) {
         if (errorString !== '') {
-          // error was expected. check that err.response.text includes expected string.
-          const errorContainsString = err.response.text.includes(errorString);
+          // error was expected. check that err.message includes expected string.
+          const errorContainsString = err.message.includes(errorString);
           assert.deepStrictEqual(true, errorContainsString);
         } else {
           // unexpected error, rethrow.