diff --git a/packages/sdk-router/src/rfq/api.ts b/packages/sdk-router/src/rfq/api.ts
index 388645e392..ef8c084e4d 100644
--- a/packages/sdk-router/src/rfq/api.ts
+++ b/packages/sdk-router/src/rfq/api.ts
@@ -6,6 +6,7 @@ import {
   FastBridgeQuoteAPI,
   unmarshallFastBridgeQuote,
 } from './quote'
+import { logger } from '../utils/logger'
 
 const API_URL = 'https://rfq-api-stage.omnirpc.io'
 const API_TIMEOUT = 2000
@@ -83,24 +84,24 @@ export const getAllQuotes = async (): Promise<FastBridgeQuote[]> => {
   try {
     const response = await fetchWithTimeout(`${API_URL}/quotes`, API_TIMEOUT)
     if (!response.ok) {
-      console.error('Error fetching quotes:', response.statusText)
+      logger.error('Error fetching quotes', { response })
       return []
     }
     // The response is a list of quotes in the FastBridgeQuoteAPI format
     const quotes: FastBridgeQuoteAPI[] = await response.json()
-    console.log(`${API_URL}/quotes`, { quotes })
+    logger.info(`${API_URL}/quotes`, { quotes })
     return quotes
       .map((quote) => {
         try {
           return unmarshallFastBridgeQuote(quote)
         } catch (error) {
-          console.error('Error unmarshalling quote:', error)
+          logger.error('Error unmarshalling quote', { quote, error })
           return null
         }
       })
       .filter((quote): quote is FastBridgeQuote => quote !== null)
   } catch (error) {
-    console.error('Error fetching quotes:', error)
+    logger.error('Error fetching quotes', { error })
     return []
   }
 }
@@ -142,20 +143,20 @@ export const getBestRelayerQuote = async (
       },
     })
     if (!response.ok) {
-      console.error('Error fetching quote', { response })
+      logger.error('Error fetching quote', { response })
       return ZeroQuote
     }
     // Check that response is successful, contains non-zero dest amount, and has a relayer address
     const rfqResponse: PutRFQResponseAPI = await response.json()
-    console.log(`${API_URL}/rfq`, { rfqRequest, rfqResponse })
+    logger.info(`${API_URL}/rfq`, { rfqRequest, rfqResponse })
     if (!rfqResponse.success) {
-      console.error('No RFQ quote returned', {
+      logger.error('No RFQ quote returned', {
         reason: rfqResponse.reason ?? 'Unknown reason',
       })
       return ZeroQuote
     }
     if (!rfqResponse.dest_amount || !rfqResponse.relayer_address) {
-      console.error(
+      logger.error(
         'Error fetching quote: missing dest_amount or relayer_address in response:',
         { rfqResponse }
       )
@@ -163,7 +164,7 @@ export const getBestRelayerQuote = async (
     }
     const destAmount = BigNumber.from(rfqResponse.dest_amount)
     if (destAmount.lte(0)) {
-      console.error('No RFQ quote returned', { rfqResponse })
+      logger.error('No RFQ quote returned', { rfqResponse })
       return ZeroQuote
     }
     return {
@@ -172,7 +173,7 @@ export const getBestRelayerQuote = async (
       quoteID: rfqResponse.quote_id,
     }
   } catch (error) {
-    console.error('Error fetching quote:', { error })
+    logger.error('Error fetching quote', { error })
     return ZeroQuote
   }
 }
diff --git a/packages/sdk-router/src/rfq/engine/paraSwapEngine.ts b/packages/sdk-router/src/rfq/engine/paraSwapEngine.ts
index 8bbd7cfc5a..7138e889c0 100644
--- a/packages/sdk-router/src/rfq/engine/paraSwapEngine.ts
+++ b/packages/sdk-router/src/rfq/engine/paraSwapEngine.ts
@@ -22,6 +22,7 @@ import { StepParams } from '../steps'
 import { AMOUNT_NOT_PRESENT, encodeZapData } from '../zapData'
 import { ChainProvider } from '../../router'
 import { isNativeToken } from '../../utils/handleNativeToken'
+import { logger } from '../../utils/logger'
 
 const PARASWAP_API_URL = 'https://api.paraswap.io/swap'
 const PARASWAP_API_TIMEOUT = 2000
@@ -148,7 +149,7 @@ export class ParaSwapEngine implements SwapEngine {
       if (request.slippage > MAX_SLIPPAGE) {
         request.slippage = MAX_SLIPPAGE
       }
-      console.log('Fetching ParaSwap response', { request })
+      logger.info('Fetching ParaSwap response', { request })
       // Stringify every value in the request
       const params = new URLSearchParams(
         Object.entries(request).map(([k, v]) => {
@@ -158,14 +159,14 @@ export class ParaSwapEngine implements SwapEngine {
       const url = `${PARASWAP_API_URL}?${params.toString()}`
       const response = await fetchWithTimeout(url, PARASWAP_API_TIMEOUT)
       if (!response.ok) {
-        console.error('Error fetching ParaSwap response', { url, response })
+        logger.error('Error fetching ParaSwap response', { url, response })
         return EmptyParaSwapResponse
       }
       const paraSwapResponse: ParaSwapResponse = await response.json()
-      console.log('Fetched ParaSwap response', { url, paraSwapResponse })
+      logger.info('Fetched ParaSwap response', { url, paraSwapResponse })
       return paraSwapResponse
     } catch (error) {
-      console.error('Error fetching ParaSwap response', { error })
+      logger.error('Error fetching ParaSwap response', { error })
       return EmptyParaSwapResponse
     }
   }
@@ -207,14 +208,14 @@ export class ParaSwapEngine implements SwapEngine {
     }
     const provider = this.providers[chainId]
     if (!provider) {
-      console.error('No provider found for chainId', chainId)
+      logger.error('No provider found', { chainId })
       return 0
     }
     const tokenContract = new Contract(token, erc20ABI, provider) as ERC20
     try {
       return tokenContract.decimals()
     } catch (error) {
-      console.error('Error fetching token decimals:', error)
+      logger.error('Error fetching token decimals', { token, error })
       return 0
     }
   }
diff --git a/packages/sdk-router/src/rfq/sirSet.ts b/packages/sdk-router/src/rfq/sirSet.ts
index f995db0282..5454386810 100644
--- a/packages/sdk-router/src/rfq/sirSet.ts
+++ b/packages/sdk-router/src/rfq/sirSet.ts
@@ -27,6 +27,7 @@ import { SynapseIntentRouter } from './sir'
 import { ChainProvider } from '../router'
 import { ONE_HOUR, TEN_MINUTES } from '../utils/deadlines'
 import { isSameAddress } from '../utils/addressUtils'
+import { logger } from '../utils/logger'
 import { marshallTicker, Ticker } from './ticker'
 import { getAllQuotes, getBestRelayerQuote } from './api'
 import {
@@ -231,8 +232,12 @@ export class SynapseIntentRouterSet extends SynapseModuleSet {
   ): { originQuery: Query; destQuery: Query } {
     // We should have saved neccessary params within dstQuery.rawParams
     if (hexDataLength(destQueryPrecise.rawParams) === 0) {
-      console.warn(
-        'No params saved in destQuery.rawParams, slippage is not applied'
+      logger.warn(
+        'No params saved in destQuery.rawParams, slippage is not applied',
+        {
+          originQuery: originQueryPrecise,
+          destQuery: destQueryPrecise,
+        }
       )
       return {
         originQuery: originQueryPrecise,
@@ -247,8 +252,14 @@ export class SynapseIntentRouterSet extends SynapseModuleSet {
       isSameAddress(paramsV1.destRelayToken, AddressZero) ||
       paramsV1.destRelayAmount.eq(0)
     ) {
-      console.warn(
-        'No destToken or destAmount saved in destQuery.rawParams, slippage is not applied'
+      logger.warn(
+        'No destToken or destAmount saved in destQuery.rawParams, slippage is not applied',
+        {
+          originQuery: originQueryPrecise,
+          destQuery: destQueryPrecise,
+          paramsV1,
+          paramsV2,
+        }
       )
       return {
         originQuery: originQueryPrecise,
diff --git a/packages/sdk-router/src/utils/logger.ts b/packages/sdk-router/src/utils/logger.ts
new file mode 100644
index 0000000000..950200f3a9
--- /dev/null
+++ b/packages/sdk-router/src/utils/logger.ts
@@ -0,0 +1,7 @@
+import winston from 'winston'
+
+export const logger = winston.createLogger({
+  level: 'info',
+  format: winston.format.json(),
+  transports: [new winston.transports.Console()],
+})