diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0d9d457..3c2f539 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,18 @@
 # Linkdrop SDK
 
+
+## 2.1.3
+- updates for src=d param (getLinks method of batch)
+
+## 2.1.2
+- updates for claimHostUrl param (getLinks method of batch)
+
+## 2.1.1
+- added testnets apiUrl
+
+## 2.1.0
+- added apiKey as param for LinkdropSDK 
+
 ## 2.0.9
 - added src param to link (src=d)
 
diff --git a/README.md b/README.md
index b63d9b3..31274d2 100644
--- a/README.md
+++ b/README.md
@@ -31,12 +31,14 @@ import LinkdropSDK from 'linkdrop-sdk'
 To use SDK on a tesnet:
 ```ts
 // initializing Linkdrop SDK on a testnet (Goerli or Mumbai)
-const sdk = new LinkdropSDK({ mode: 'testnets' });
+const apiKey = /* to request an API key, please contact us at hi@linkdrop.io */
+const sdk = new LinkdropSDK({ mode: 'testnets', apiKey });
 ```
 To use SDK on a production network (Ethereum Mainnet or Polygon): 
 ```ts
 // initializing Linkdrop SDK on a production network 
-const sdk = new LinkdropSDK();
+const apiKey = /* to request an API key, please contact us at hi@linkdrop.io */
+const sdk = new LinkdropSDK({ apiKey });
 ```
 
 ## Claim methods (Can be used on Front-end & Back-end)
@@ -248,6 +250,16 @@ To fetch all links created for that batch, use the `batch.getLinks` method:
 const links = await batch.getLinks()
 ```
 
+Response data includes claim links in format `https://claim.linkdrop.io/#/...`
+If you need links in custom format please provide optional parameter to `getLinks` method
+```ts
+const links = await batch.getLinks('https://wallet.coinbase.com/claim?tk=code&k=<CODE>&c=<CHAIN_ID>&v=3')
+```
+
+As a result you will get claim links with actual claim code (`<CODE>`) and chain id (`<CHAIN_ID>`)
+
+
+
 ### Deactivating / reactivating links
 
 #### Deactivate Link
diff --git a/package.json b/package.json
index f322463..f582269 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "linkdrop-sdk",
-  "version": "2.0.9",
+  "version": "2.1.3",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",
   "files": [
diff --git a/src/api/batch/index.ts b/src/api/batch/index.ts
index 6b4cce0..44724c1 100644
--- a/src/api/batch/index.ts
+++ b/src/api/batch/index.ts
@@ -5,33 +5,36 @@ import { defineRequestKeyHeader } from '../../helpers'
 const requests: TRequests = {
   getBatches: (
     apiHost,
+    apiKey,
     campaignSig,
     campaignId
   ) => {
-    const headers = defineRequestKeyHeader(campaignSig)
+    const headers = defineRequestKeyHeader(campaignSig, apiKey)
     return axios.get(`${apiHost}/api/v2/dashboard/linkdrop/campaigns/${campaignId}/batches`, {
       headers,
     })
   },
   getBatch: (
     apiHost,
+    apiKey,
     campaignSig,
     campaignId,
     batchId
   ) => {
-    const headers = defineRequestKeyHeader(campaignSig)
+    const headers = defineRequestKeyHeader(campaignSig, apiKey)
     return axios.get(`${apiHost}/api/v2/dashboard/linkdrop/campaigns/${campaignId}/batches/${batchId}`, {
       headers,
     })
   },
   createBatch: (
     apiHost,
+    apiKey,
     campaignSig,
     campaignId,
     claimLinks,
     batchDescription
   ) => {
-    const headers = defineRequestKeyHeader(campaignSig)
+    const headers = defineRequestKeyHeader(campaignSig, apiKey)
     return axios.post(`${apiHost}/api/v2/dashboard/linkdrop/campaigns/${campaignId}/save-batch`, {
       claim_links: claimLinks,
       batch_description: batchDescription
@@ -41,12 +44,13 @@ const requests: TRequests = {
   },
   addLinks: (
     apiHost,
+    apiKey,
     campaignSig,
     campaignId,
     batchId,
     claimLinks,
   ) => {
-    const headers = defineRequestKeyHeader(campaignSig)
+    const headers = defineRequestKeyHeader(campaignSig, apiKey)
     return axios.post(`${apiHost}/api/v2/dashboard/linkdrop/campaigns/${campaignId}/batches/${batchId}/add-links `, {
       claim_links: claimLinks
     }, {
diff --git a/src/api/batch/types.ts b/src/api/batch/types.ts
index aa92bca..6c734ab 100644
--- a/src/api/batch/types.ts
+++ b/src/api/batch/types.ts
@@ -29,6 +29,7 @@ type TAddLinksResponse = {
 
 export type TGetBatches = (
   apiHost: string,
+  apiKey: string,
   campaignSig: string,
   campaignId: string
 ) => Promise<
@@ -39,6 +40,7 @@ export type TGetBatches = (
 
 export type TGetBatch = (
   apiHost: string,
+  apiKey: string,
   campaignSig: string,
   campaignId: string,
   batchId: string
@@ -50,6 +52,7 @@ export type TGetBatch = (
 
 export type TCreateBatch = (
   apiHost: string,
+  apiKey: string,
   campaignSig: string,
   campaignId: string,
   claimLinks: TLinkItem[],
@@ -62,6 +65,7 @@ export type TCreateBatch = (
 
 export type TAddLinks = (
   apiHost: string,
+  apiKey: string,
   campaignSig: string,
   campaignId: string,
   batchId: string,
diff --git a/src/api/campaign/index.ts b/src/api/campaign/index.ts
index f94d708..d246fdb 100644
--- a/src/api/campaign/index.ts
+++ b/src/api/campaign/index.ts
@@ -5,10 +5,11 @@ import { defineRequestKeyHeader } from '../../helpers'
 const requests: TRequests = {
   getCampaign: (
     apiHost,
+    apiKey,
     campaignSig,
     campaignId
   ) => {
-    const headers = defineRequestKeyHeader(campaignSig)
+    const headers = defineRequestKeyHeader(campaignSig, apiKey)
     return axios.get(`${apiHost}/api/v2/dashboard/linkdrop/campaigns/${campaignId}`, {
       headers
     })
diff --git a/src/api/campaign/types.ts b/src/api/campaign/types.ts
index 51b0a6b..c2f851b 100644
--- a/src/api/campaign/types.ts
+++ b/src/api/campaign/types.ts
@@ -8,6 +8,7 @@ type TGetCampaignResponse = {
 
 export type TGetCampaign = (
   apiHost: string,
+  apiKey: string,
   campaignSig: string,
   campaignId: string,
 ) => Promise<
diff --git a/src/api/link/index.ts b/src/api/link/index.ts
index 066fb50..43ffda6 100644
--- a/src/api/link/index.ts
+++ b/src/api/link/index.ts
@@ -17,20 +17,22 @@ const requests: TRequests = {
   },
   deactivateLink: (
     apiHost,
+    apiKey,
     campaignSig,
     linkId
   ) => {
-    const headers = defineRequestKeyHeader(campaignSig)
+    const headers = defineRequestKeyHeader(campaignSig, apiKey)
     return axios.post(`${apiHost}/api/v2/dashboard/linkdrop/claim-links/${linkId}/deactivate`, {}, {
       headers
     })
   },
   reactivateLink: (
     apiHost,
+    apiKey,
     campaignSig,
     linkId
   ) => {
-    const headers = defineRequestKeyHeader(campaignSig)
+    const headers = defineRequestKeyHeader(campaignSig, apiKey)
     return axios.post(`${apiHost}/api/v2/dashboard/linkdrop/claim-links/${linkId}/reactivate`, {}, {
       headers
     })
diff --git a/src/api/link/types.ts b/src/api/link/types.ts
index ec5fabb..11031be 100644
--- a/src/api/link/types.ts
+++ b/src/api/link/types.ts
@@ -48,6 +48,7 @@ export type TGetLinkStatus = (
 
 export type TDeactivateLink = (
   apiHost: string,
+  apiKey: string,
   campaignSig: string,
   linkId: string
 ) => Promise<
@@ -69,6 +70,7 @@ export type TRedeemLink = (
 
 export type TReactivateLink = (
   apiHost: string,
+  apiKey: string,
   campaignSig: string,
   linkId: string
 ) => Promise<
diff --git a/src/configs/index.ts b/src/configs/index.ts
index 461b20e..173d707 100644
--- a/src/configs/index.ts
+++ b/src/configs/index.ts
@@ -1,5 +1,8 @@
 export const apiUrl = 'https://dashboard-api.linkdrop.io'
-export const testnetsApiUrl = 'https://testnets.dashboard-api.linkdrop.io'
+export const testnetsApiUrl = 'https://linkdrop-api-testnets-b0fceb9.zuplo.app'
+
+export const claimHostUrl = 'https://claim.linkdrop.io'
+export const testnetsClaimHostUrl = 'https://testnets.claim.linkdrop.io'
 
 export const polygonJSONRPCUrl = 'https://rpc-mainnet.maticvigil.com/v1/ad4cd2ea018ddb1ccd0418ffa43c27b3d99fbd55'
 export const mainnetJSONRPCUrl = 'https://mainnet.infura.io/v3/620c738fbe1843a18f47ada0e60e738a'
diff --git a/src/helpers/define-claim-host-url.ts b/src/helpers/define-claim-host-url.ts
new file mode 100644
index 0000000..e82137d
--- /dev/null
+++ b/src/helpers/define-claim-host-url.ts
@@ -0,0 +1,20 @@
+import { claimHostUrl, testnetsClaimHostUrl } from '../configs'
+import { TMode } from '../types'
+
+type TDefineClaimHostUrl = (
+  mode: TMode
+) => string
+
+const defineClaimHostUrl: TDefineClaimHostUrl = (
+  chainId
+) => {
+  switch (chainId) {
+    case 'testnets':
+      return testnetsClaimHostUrl
+    case 'mainnets':
+    default:
+      return claimHostUrl
+  }
+}
+
+export default defineClaimHostUrl
diff --git a/src/helpers/define-request-key-header.ts b/src/helpers/define-request-key-header.ts
index 882a665..cbd3f21 100644
--- a/src/helpers/define-request-key-header.ts
+++ b/src/helpers/define-request-key-header.ts
@@ -1,9 +1,21 @@
-type TDefineRequestKeyHeader = (campaignSig: string) => Record<string, string>
-const defineRequestKeyHeader: TDefineRequestKeyHeader = (campaignSig) => {
+type TDefineRequestKeyHeader = (
+  campaignSig: string,
+  apiKey: string
+) => Record<string, string>
+
+const defineRequestKeyHeader: TDefineRequestKeyHeader = (
+  campaignSig,
+  apiKey
+) => {
   const headers = {}
   headers[
     'X-CAMPAIGN-KEY'
   ] = campaignSig
+
+  if (apiKey) {
+    headers['authorization'] = `Bearer ${apiKey}`
+  }
+
   return headers
 }
 
diff --git a/src/helpers/index.ts b/src/helpers/index.ts
index b116f64..7964f95 100644
--- a/src/helpers/index.ts
+++ b/src/helpers/index.ts
@@ -10,9 +10,11 @@ import redeemLink from './redeem-link'
 import getBignumberInterval from './get-bignumber-interval'
 import defineCampaignSig from './define-campaign-sig'
 import prepareAsset from './prepare-asset'
+import defineClaimHostUrl from './define-claim-host-url'
 
 export {
   parseLinkParams,
+  defineClaimHostUrl,
   defineCampaignSig,
   getBignumberInterval,
   getLinkParams,
diff --git a/src/modules/batch/index.ts b/src/modules/batch/index.ts
index 5d20717..ed211c3 100644
--- a/src/modules/batch/index.ts
+++ b/src/modules/batch/index.ts
@@ -15,6 +15,8 @@ class Batch implements IBatch {
   claimHostUrl: string
   campaignData: TCampaignItem
   signerKey: string
+  apiKey: string
+  chainId: number
 
   constructor (
     batchId: string,
@@ -25,7 +27,9 @@ class Batch implements IBatch {
     campaignData: TCampaignItem,
     signerKey: string,
     campaignSig: string,
-    apiHost: string
+    apiHost: string,
+    apiKey: string,
+    chainId: number
   ) {
     this.batchId = batchId
     this.data = data
@@ -36,6 +40,8 @@ class Batch implements IBatch {
     this.claimHostUrl = claimHostUrl
     this.campaignData = campaignData
     this.signerKey = signerKey
+    this.apiKey = apiKey
+    this.chainId = chainId
   }
 
   addLinks: TAddLinks = async (
@@ -66,6 +72,7 @@ class Batch implements IBatch {
     if (!transformedAssets) { return alert('Error with assets') }
     return await batchesApi.addLinks(
       this.apiHost,
+      this.apiKey,
       this.campaignSig,
       this.campaignData.campaign_id,
       this.batchId,
@@ -73,17 +80,26 @@ class Batch implements IBatch {
     )
   }
 
-  getLinks: TGetLinks = () => {
+  getLinks: TGetLinks = (
+    linkPattern
+  ) => {
     if (!this.claimLinks) {
       return []
     }
     return this.claimLinks.map(link => {
       const encryptedClaimCode = link.encrypted_claim_code
       const claimCode = crypto.decrypt(encryptedClaimCode, this.encryptionKey)
+
+      let finalLink = `${this.claimHostUrl}/#/redeem/${claimCode}`
+      if (linkPattern) {
+        finalLink = linkPattern.replace('<CODE>', claimCode)
+          .replace('<CHAIN_ID>', String(this.chainId))
+      }
+      const sourceParam = finalLink.includes('?') ? `&src=d` : '?src=d'
       return {
         linkId: link.link_id,
         claimCode,
-        claimLink: `${this.claimHostUrl}/#/redeem/${claimCode}?src=d`
+        claimLink: `${finalLink}${sourceParam}`
       }
     })
   }
diff --git a/src/modules/campaign/index.ts b/src/modules/campaign/index.ts
index 2bb040b..2036cfe 100644
--- a/src/modules/campaign/index.ts
+++ b/src/modules/campaign/index.ts
@@ -19,6 +19,7 @@ class Campaign implements ICampaign {
   apiHost: string
   claimHostUrl: string
   campaignSig: string
+  apiKey: string
 
   constructor (
     campaignId: string,
@@ -27,7 +28,8 @@ class Campaign implements ICampaign {
     data: TCampaignItem,
     claimHostUrl: string,
     campaignSig: string,
-    apiHost: string
+    apiHost: string,
+    apiKey: string
   ) {
     this.campaignId = campaignId
     this.signerKey = signerKey
@@ -36,11 +38,13 @@ class Campaign implements ICampaign {
     this.claimHostUrl = claimHostUrl
     this.apiHost = apiHost
     this.campaignSig = campaignSig
+    this.apiKey = apiKey
   }
 
   getBatches: TGetBatches = async () => {
     const campaignData = await batchesApi.getBatches(
       this.apiHost,
+      this.apiKey,
       this.campaignSig,
       this.campaignId
     )
@@ -59,6 +63,7 @@ class Campaign implements ICampaign {
   ) => {
     const campaignData = await batchesApi.getBatch(
       this.apiHost,
+      this.apiKey,
       this.campaignSig,
       this.campaignId,
       batchId
@@ -75,7 +80,9 @@ class Campaign implements ICampaign {
         this.data,
         this.signerKey,
         this.campaignSig,
-        this.apiHost
+        this.apiHost,
+        this.apiKey,
+        this.data.chain_id
       )
     }
   }
@@ -110,6 +117,7 @@ class Campaign implements ICampaign {
     if (!transformedAssets) { return alert('Error with assets') }
     const response = await batchesApi.createBatch(
       this.apiHost,
+      this.apiKey,
       this.campaignSig,
       this.data.campaign_id,
       transformedAssets,
@@ -139,6 +147,7 @@ class Campaign implements ICampaign {
 
     const linkData = await linkApi.reactivateLink(
       this.apiHost,
+      this.apiKey,
       this.campaignSig,
       wallet.address
     )
@@ -157,6 +166,7 @@ class Campaign implements ICampaign {
 
     const linkData = await linkApi.deactivateLink(
       this.apiHost,
+      this.apiKey,
       this.campaignSig,
       wallet.address
     )
diff --git a/src/modules/linkdrop-sdk/index.ts b/src/modules/linkdrop-sdk/index.ts
index f774372..4203092 100644
--- a/src/modules/linkdrop-sdk/index.ts
+++ b/src/modules/linkdrop-sdk/index.ts
@@ -1,6 +1,16 @@
-import { ILinkdropSDK, TNetworkName } from '../../types'
+import {
+  ILinkdropSDK,
+  TNetworkName,
+  TMode
+} from '../../types'
 import Campaign from '../campaign'
-import { defineCampaignSig, getLinkParams, getLinkStatus, redeemLink } from '../../helpers'
+import {
+  defineCampaignSig,
+  getLinkParams,
+  getLinkStatus,
+  redeemLink,
+  defineClaimHostUrl
+} from '../../helpers'
 import { campaignsApi } from '../../api'
 import {
   testnetsApiUrl,
@@ -14,6 +24,9 @@ class LinkdropSDK implements ILinkdropSDK {
   chain: TNetworkName
   apiHost: string
   claimHostUrl: string
+  apiKey: string
+  mode: TMode
+
   utils = {
     createLink,
     computeProxyAddress,
@@ -21,19 +34,29 @@ class LinkdropSDK implements ILinkdropSDK {
   }
 
   constructor ({
+    apiKey,
     apiHost,
     mode,
     claimHostUrl
   }: {
+    apiKey?: string,
     apiHost?: string,
-    mode?: 'testnets',
+    mode?: TMode,
     claimHostUrl?: string
   } = {}) {
     this.claimHostUrl = claimHostUrl || ''
+
+    this.mode = mode || 'mainnets'
+
+    if (!apiKey) {
+      throw new Error('ApiKey required')
+    } else {
+      this.apiKey = apiKey
+    }
     if (apiHost) {
       this.apiHost = apiHost
     } else {
-      this.apiHost = mode === 'testnets' ? testnetsApiUrl : apiUrl
+      this.apiHost = this.mode === 'testnets' ? testnetsApiUrl : apiUrl
     }
   }
 
@@ -58,6 +81,7 @@ class LinkdropSDK implements ILinkdropSDK {
     )
     const campaignData = await campaignsApi.getCampaign(
       this.apiHost,
+      this.apiKey,
       campaignSig,
       campaignId
     )
@@ -69,9 +93,10 @@ class LinkdropSDK implements ILinkdropSDK {
         signerKey,
         encryptionKey,
         campaign,
-        this.claimHostUrl,
+        this.claimHostUrl ? this.claimHostUrl : defineClaimHostUrl(this.mode),
         campaignSig,
-        this.apiHost
+        this.apiHost,
+        this.apiKey
       )
     }
   }
diff --git a/src/types/index.ts b/src/types/index.ts
index 1a7a5ac..5618acc 100644
--- a/src/types/index.ts
+++ b/src/types/index.ts
@@ -13,10 +13,12 @@ import TAsset from './asset'
 import TCreateLinkResult from './create-link-result'
 import TLinkParsed from './parsed-link'
 import { TLinkStatusResult } from './link-status-result'
+import TMode from './mode'
 
 export {
   ILinkdropSDK,
   TLinkStatusResult,
+  TMode,
   TLinkParsed,
   TLinkItem,
   TCampaignItem,
diff --git a/src/types/mode/index.ts b/src/types/mode/index.ts
new file mode 100644
index 0000000..6389e9a
--- /dev/null
+++ b/src/types/mode/index.ts
@@ -0,0 +1,3 @@
+type TMode = 'testnets' | 'mainnets'
+
+export default TMode
\ No newline at end of file
diff --git a/src/types/modules/batch/get-links/index.ts b/src/types/modules/batch/get-links/index.ts
index b946e20..eccf655 100644
--- a/src/types/modules/batch/get-links/index.ts
+++ b/src/types/modules/batch/get-links/index.ts
@@ -1,4 +1,6 @@
 import { TLinkParsed } from '../../../'
-type TGetLinks = () => TLinkParsed[]
+type TGetLinks = (
+  linkPattern?: string
+) => TLinkParsed[]
 
 export default TGetLinks
\ No newline at end of file