diff --git a/src/common/factory.ts b/src/common/factory.ts
index f8e0cb94..2522a942 100644
--- a/src/common/factory.ts
+++ b/src/common/factory.ts
@@ -15,20 +15,33 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 import { TurboUnauthenticatedConfiguration } from '../types.js';
+import { TurboWinstonLogger } from './logger.js';
 import { TurboUnauthenticatedPaymentService } from './payment.js';
 import { TurboUnauthenticatedClient } from './turbo.js';
 import { TurboUnauthenticatedUploadService } from './upload.js';
 
 export class TurboBaseFactory {
+  protected static logger = new TurboWinstonLogger();
+
+  static setLogLevel(level: string) {
+    this.logger.setLogLevel(level);
+  }
+
+  static setLogFormat(format: string) {
+    this.logger.setLogFormat(format);
+  }
+
   static unauthenticated({
     paymentServiceConfig = {},
     uploadServiceConfig = {},
   }: TurboUnauthenticatedConfiguration = {}) {
     const paymentService = new TurboUnauthenticatedPaymentService({
       ...paymentServiceConfig,
+      logger: this.logger,
     });
     const uploadService = new TurboUnauthenticatedUploadService({
       ...uploadServiceConfig,
+      logger: this.logger,
     });
     return new TurboUnauthenticatedClient({
       uploadService,
diff --git a/src/common/http.ts b/src/common/http.ts
index 8e1242e8..360770e6 100644
--- a/src/common/http.ts
+++ b/src/common/http.ts
@@ -21,6 +21,7 @@ import { ReadableStream } from 'stream/web';
 
 import {
   TurboHTTPServiceInterface,
+  TurboLogger,
   TurboSignedRequestHeaders,
 } from '../types.js';
 import { createAxiosInstance } from '../utils/axiosClient.js';
@@ -28,18 +29,34 @@ import { FailedRequestError } from '../utils/errors.js';
 
 export class TurboHTTPService implements TurboHTTPServiceInterface {
   protected axios: AxiosInstance;
+  protected logger: TurboLogger;
+
   constructor({
     url,
     retryConfig,
+    logger,
   }: {
     url: string;
     retryConfig?: IAxiosRetryConfig;
+    logger: TurboLogger;
   }) {
+    this.logger = logger;
     this.axios = createAxiosInstance({
       axiosConfig: {
         baseURL: url,
+        onUploadProgress: (progressEvent) => {
+          this.logger.debug(`Uploading...`, {
+            percent: Math.floor((progressEvent.progress ?? 0) * 100),
+            loaded: `${progressEvent.loaded} bytes`,
+            total: `${progressEvent.total} bytes`,
+          });
+          if (progressEvent.progress === 1) {
+            this.logger.debug(`Upload complete!`);
+          }
+        },
       },
       retryConfig,
+      logger: this.logger,
     });
   }
   async get<T>({
diff --git a/src/common/logger.ts b/src/common/logger.ts
new file mode 100644
index 00000000..ad6c07dc
--- /dev/null
+++ b/src/common/logger.ts
@@ -0,0 +1,77 @@
+/**
+ * Copyright (C) 2022-2023 Permanent Data Solutions, Inc. All Rights Reserved.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+import winston, { createLogger, format, transports } from 'winston';
+
+import { TurboLogger } from '../types.js';
+import { version } from '../version.js';
+
+export class TurboWinstonLogger implements TurboLogger {
+  protected logger: winston.Logger;
+  constructor({
+    level = 'info',
+    logFormat = 'simple',
+  }: {
+    level?: 'info' | 'debug' | 'error' | 'none' | undefined;
+    logFormat?: 'simple' | 'json' | undefined;
+  } = {}) {
+    this.logger = createLogger({
+      level,
+      defaultMeta: { client: 'turbo-sdk', version },
+      silent: level === 'none',
+      format: getLogFormat(logFormat),
+      transports: [new transports.Console()],
+    });
+  }
+
+  info(message: string, ...args: any[]) {
+    this.logger.info(message, ...args);
+  }
+
+  warn(message: string, ...args: any[]) {
+    this.logger.warn(message, ...args);
+  }
+
+  error(message: string, ...args: any[]) {
+    this.logger.error(message, ...args);
+  }
+
+  debug(message: string, ...args: any[]) {
+    this.logger.debug(message, ...args);
+  }
+
+  setLogLevel(level: string) {
+    this.logger.level = level;
+  }
+
+  setLogFormat(logFormat: string) {
+    this.logger.format = getLogFormat(logFormat);
+  }
+}
+
+function getLogFormat(logFormat: string) {
+  return format.combine(
+    format((info) => {
+      if (info.stack && info.level !== 'error') {
+        delete info.stack;
+      }
+      return info;
+    })(),
+    format.errors({ stack: true }), // Ensure errors show a stack trace
+    format.timestamp(),
+    logFormat === 'json' ? format.json() : format.simple(),
+  );
+}
diff --git a/src/common/payment.ts b/src/common/payment.ts
index 91acdfeb..4bb51623 100644
--- a/src/common/payment.ts
+++ b/src/common/payment.ts
@@ -25,6 +25,7 @@ import {
   TurboCountriesResponse,
   TurboCurrenciesResponse,
   TurboFiatToArResponse,
+  TurboLogger,
   TurboPriceResponse,
   TurboRatesResponse,
   TurboSignedRequestHeaders,
@@ -35,6 +36,7 @@ import {
   TurboWincForFiatResponse,
 } from '../types.js';
 import { TurboHTTPService } from './http.js';
+import { TurboWinstonLogger } from './logger.js';
 
 export const developmentPaymentServiceURL = 'https://payment.ardrive.dev';
 export const defaultPaymentServiceURL = 'https://payment.ardrive.io';
@@ -43,14 +45,18 @@ export class TurboUnauthenticatedPaymentService
   implements TurboUnauthenticatedPaymentServiceInterface
 {
   protected readonly httpService: TurboHTTPService;
+  protected logger: TurboLogger;
 
   constructor({
     url = defaultPaymentServiceURL,
     retryConfig,
+    logger = new TurboWinstonLogger(),
   }: TurboUnauthenticatedPaymentServiceConfiguration) {
+    this.logger = logger;
     this.httpService = new TurboHTTPService({
       url: `${url}/v1`,
       retryConfig,
+      logger: this.logger,
     });
   }
 
@@ -154,8 +160,9 @@ export class TurboAuthenticatedPaymentService
     url = defaultPaymentServiceURL,
     retryConfig,
     signer,
+    logger,
   }: TurboAuthenticatedPaymentServiceConfiguration) {
-    super({ url, retryConfig });
+    super({ url, retryConfig, logger });
     this.signer = signer;
   }
 
diff --git a/src/common/upload.ts b/src/common/upload.ts
index c92c1630..ee42bd78 100644
--- a/src/common/upload.ts
+++ b/src/common/upload.ts
@@ -19,6 +19,7 @@ import {
   TurboAuthenticatedUploadServiceConfiguration,
   TurboAuthenticatedUploadServiceInterface,
   TurboFileFactory,
+  TurboLogger,
   TurboSignedDataItemFactory,
   TurboUnauthenticatedUploadServiceConfiguration,
   TurboUnauthenticatedUploadServiceInterface,
@@ -26,6 +27,7 @@ import {
   TurboWalletSigner,
 } from '../types.js';
 import { TurboHTTPService } from './http.js';
+import { TurboWinstonLogger } from './logger.js';
 
 export const developmentUploadServiceURL = 'https://upload.ardrive.dev';
 export const defaultUploadServiceURL = 'https://upload.ardrive.io';
@@ -34,14 +36,18 @@ export class TurboUnauthenticatedUploadService
   implements TurboUnauthenticatedUploadServiceInterface
 {
   protected httpService: TurboHTTPService;
+  protected logger: TurboLogger;
 
   constructor({
     url = defaultUploadServiceURL,
     retryConfig,
+    logger = new TurboWinstonLogger(),
   }: TurboUnauthenticatedUploadServiceConfiguration) {
+    this.logger = logger;
     this.httpService = new TurboHTTPService({
       url: `${url}/v1`,
       retryConfig,
+      logger: this.logger,
     });
   }
 
@@ -52,6 +58,7 @@ export class TurboUnauthenticatedUploadService
   }: TurboSignedDataItemFactory &
     TurboAbortSignal): Promise<TurboUploadDataItemResponse> {
     const fileSize = dataItemSizeFactory();
+    this.logger.debug('Uploading signed data item...');
     // TODO: add p-limit constraint or replace with separate upload class
     return this.httpService.post<TurboUploadDataItemResponse>({
       endpoint: `/tx`,
@@ -76,8 +83,9 @@ export class TurboAuthenticatedUploadService
     url = defaultUploadServiceURL,
     retryConfig,
     signer,
+    logger,
   }: TurboAuthenticatedUploadServiceConfiguration) {
-    super({ url, retryConfig });
+    super({ url, retryConfig, logger });
     this.signer = signer;
   }
 
@@ -94,6 +102,7 @@ export class TurboAuthenticatedUploadService
       });
     const signedDataItem = dataItemStreamFactory();
     const fileSize = dataItemSizeFactory();
+    this.logger.debug('Uploading signed data item...');
     // TODO: add p-limit constraint or replace with separate upload class
     return this.httpService.post<TurboUploadDataItemResponse>({
       endpoint: `/tx`,
diff --git a/src/node/factory.ts b/src/node/factory.ts
index aad6dd14..ef6e7c1a 100644
--- a/src/node/factory.ts
+++ b/src/node/factory.ts
@@ -29,14 +29,19 @@ export class TurboFactory extends TurboBaseFactory {
     paymentServiceConfig = {},
     uploadServiceConfig = {},
   }: TurboAuthenticatedConfiguration) {
-    const signer = new TurboNodeArweaveSigner({ privateKey });
+    const signer = new TurboNodeArweaveSigner({
+      privateKey,
+      logger: this.logger,
+    });
     const paymentService = new TurboAuthenticatedPaymentService({
       ...paymentServiceConfig,
       signer,
+      logger: this.logger,
     });
     const uploadService = new TurboAuthenticatedUploadService({
       ...uploadServiceConfig,
       signer,
+      logger: this.logger,
     });
     return new TurboAuthenticatedClient({
       uploadService,
diff --git a/src/node/signer.ts b/src/node/signer.ts
index 03c75c6b..32ec078c 100644
--- a/src/node/signer.ts
+++ b/src/node/signer.ts
@@ -20,16 +20,23 @@ import { randomBytes } from 'node:crypto';
 import { Readable } from 'node:stream';
 
 import { JWKInterface } from '../common/jwk.js';
-import { StreamSizeFactory, TurboWalletSigner } from '../types.js';
+import { StreamSizeFactory, TurboLogger, TurboWalletSigner } from '../types.js';
 import { toB64Url } from '../utils/base64.js';
 
 export class TurboNodeArweaveSigner implements TurboWalletSigner {
   protected privateKey: JWKInterface;
   protected signer: ArweaveSigner; // TODO: replace with internal signer class
-
+  protected logger: TurboLogger;
   // TODO: replace with internal signer class
-  constructor({ privateKey }: { privateKey: JWKInterface }) {
+  constructor({
+    privateKey,
+    logger,
+  }: {
+    privateKey: JWKInterface;
+    logger: TurboLogger;
+  }) {
     this.privateKey = privateKey;
+    this.logger = logger;
     this.signer = new ArweaveSigner(this.privateKey);
   }
 
@@ -44,8 +51,11 @@ export class TurboNodeArweaveSigner implements TurboWalletSigner {
     dataItemSizeFactory: StreamSizeFactory;
   }> {
     // TODO: replace with our own signer implementation
+    this.logger.debug('Signing data item...');
     const [stream1, stream2] = [fileStreamFactory(), fileStreamFactory()];
     const signedDataItem = await streamSigner(stream1, stream2, this.signer);
+    this.logger.debug('Successfully signed data item...');
+
     // TODO: support target, anchor, and tags
     const signedDataItemSize = this.calculateSignedDataHeadersSize({
       dataSize: fileSizeFactory(),
diff --git a/src/types.ts b/src/types.ts
index 0d85aa01..f43796dc 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -17,7 +17,6 @@
 import { IAxiosRetryConfig } from 'axios-retry';
 import { Readable } from 'node:stream';
 import { ReadableStream } from 'node:stream/web';
-import winston from 'winston';
 
 import { CurrencyMap } from './common/currency.js';
 import { JWKInterface } from './common/jwk.js';
@@ -121,7 +120,7 @@ type TurboAuthConfiguration = {
 type TurboServiceConfiguration = {
   url?: string;
   retryConfig?: IAxiosRetryConfig;
-  logger?: winston.Logger;
+  logger?: TurboLogger;
 };
 
 export type TurboUnauthenticatedUploadServiceConfiguration =
@@ -139,6 +138,15 @@ export type TurboUnauthenticatedConfiguration = {
   uploadServiceConfig?: TurboUnauthenticatedUploadServiceConfiguration;
 };
 
+export interface TurboLogger {
+  setLogLevel: (level: string) => void;
+  setLogFormat: (logFormat: string) => void;
+  info: (message: string, ...args: any[]) => void;
+  warn: (message: string, ...args: any[]) => void;
+  error: (message: string, ...args: any[]) => void;
+  debug: (message: string, ...args: any[]) => void;
+}
+
 export type TurboAuthenticatedConfiguration =
   TurboUnauthenticatedConfiguration & {
     privateKey: TurboWallet;
diff --git a/src/utils/axiosClient.ts b/src/utils/axiosClient.ts
index 1ffa6be2..a610789e 100644
--- a/src/utils/axiosClient.ts
+++ b/src/utils/axiosClient.ts
@@ -17,6 +17,8 @@
 import axios, { AxiosInstance, AxiosRequestConfig, CanceledError } from 'axios';
 import axiosRetry, { IAxiosRetryConfig } from 'axios-retry';
 
+import { TurboWinstonLogger } from '../common/logger.js';
+import { TurboLogger } from '../types.js';
 import { version } from '../version.js';
 
 export const defaultRequestHeaders = {
@@ -27,9 +29,11 @@ export const defaultRequestHeaders = {
 export interface AxiosInstanceParameters {
   axiosConfig?: Omit<AxiosRequestConfig, 'validateStatus'>;
   retryConfig?: IAxiosRetryConfig;
+  logger?: TurboLogger;
 }
 
 export const createAxiosInstance = ({
+  logger = new TurboWinstonLogger(),
   axiosConfig = {},
   retryConfig = {
     retryDelay: axiosRetry.exponentialDelay,
@@ -41,15 +45,16 @@ export const createAxiosInstance = ({
       );
     },
     onRetry: (retryCount, error) => {
-      console.debug(
-        `Request failed, ${error}. Retry attempt #${retryCount}...`,
-      );
+      logger.debug(`Request failed, ${error}. Retry attempt #${retryCount}...`);
     },
   },
-}: AxiosInstanceParameters): AxiosInstance => {
+}: AxiosInstanceParameters = {}): AxiosInstance => {
   const axiosInstance = axios.create({
     ...axiosConfig,
-    headers: defaultRequestHeaders,
+    headers: {
+      ...axiosConfig.headers,
+      ...defaultRequestHeaders,
+    },
     validateStatus: () => true, // don't throw on non-200 status codes
   });
 
diff --git a/src/web/factory.ts b/src/web/factory.ts
index 6dbd3a16..f199b8d7 100644
--- a/src/web/factory.ts
+++ b/src/web/factory.ts
@@ -29,14 +29,19 @@ export class TurboFactory extends TurboBaseFactory {
     paymentServiceConfig = {},
     uploadServiceConfig = {},
   }: TurboAuthenticatedConfiguration) {
-    const signer = new TurboWebArweaveSigner({ privateKey });
+    const signer = new TurboWebArweaveSigner({
+      privateKey,
+      logger: this.logger,
+    });
     const paymentService = new TurboAuthenticatedPaymentService({
       ...paymentServiceConfig,
       signer,
+      logger: this.logger,
     });
     const uploadService = new TurboAuthenticatedUploadService({
       ...uploadServiceConfig,
       signer,
+      logger: this.logger,
     });
     return new TurboAuthenticatedClient({
       uploadService,
diff --git a/src/web/signer.ts b/src/web/signer.ts
index f46b1f5d..5529a83f 100644
--- a/src/web/signer.ts
+++ b/src/web/signer.ts
@@ -20,16 +20,23 @@ import { randomBytes } from 'node:crypto';
 import { ReadableStream } from 'node:stream/web';
 
 import { JWKInterface } from '../common/jwk.js';
-import { StreamSizeFactory, TurboWalletSigner } from '../types.js';
+import { StreamSizeFactory, TurboLogger, TurboWalletSigner } from '../types.js';
 import { toB64Url } from '../utils/base64.js';
 import { readableStreamToBuffer } from '../utils/readableStream.js';
 
 export class TurboWebArweaveSigner implements TurboWalletSigner {
   protected privateKey: JWKInterface;
   protected signer: ArweaveSigner; // TODO: replace with internal signer class
-
-  constructor({ privateKey }: { privateKey: JWKInterface }) {
+  protected logger: TurboLogger;
+  constructor({
+    privateKey,
+    logger,
+  }: {
+    privateKey: JWKInterface;
+    logger: TurboLogger;
+  }) {
     this.privateKey = privateKey;
+    this.logger = logger;
     this.signer = new ArweaveSigner(this.privateKey);
   }
 
@@ -49,9 +56,11 @@ export class TurboWebArweaveSigner implements TurboWalletSigner {
       stream: fileStreamFactory(),
       size: fileSizeFactory(),
     });
+    this.logger.debug('Signing data item...');
     // TODO: support target, anchor and tags for upload
     const signedDataItem = createData(buffer, this.signer, {});
     await signedDataItem.sign(this.signer);
+    this.logger.debug('Successfully signed data item...');
     return {
       // while this returns a Buffer - it needs to match our return type for uploading
       dataItemStreamFactory: () => signedDataItem.getRaw(),