diff --git a/src/blockchain.js b/src/blockchain.js
index 4b1d507..12a1f72 100644
--- a/src/blockchain.js
+++ b/src/blockchain.js
@@ -612,8 +612,17 @@ class Blockchain {
         throw new Error(`include_mempool input must be of type boolean`)
 
       // Send the request to the REST API.
-      const response = await axios.get(
-        `${this.restURL}blockchain/getTxOut/${txid}/${n}?include_mempool=${include_mempool}`,
+      // const response = await axios.get(
+      //   `${this.restURL}blockchain/getTxOut/${txid}/${n}?include_mempool=${include_mempool}`,
+      //   _this.axiosOptions
+      // )
+      const response = await axios.post(
+        `${this.restURL}blockchain/getTxOut`,
+        {
+          txid: txid,
+          vout: n,
+          mempool: include_mempool
+        },
         _this.axiosOptions
       )
 
diff --git a/test/unit/blockchain.js b/test/unit/blockchain.js
index 710b8d2..e088ffe 100644
--- a/test/unit/blockchain.js
+++ b/test/unit/blockchain.js
@@ -385,7 +385,7 @@ describe("#Blockchain", () => {
     })
 
     it("should get information on an unspent tx", async () => {
-      sandbox.stub(axios, "get").resolves({ data: mockData.txOutUnspent })
+      sandbox.stub(axios, "post").resolves({ data: mockData.txOutUnspent })
 
       const result = await bchjs.Blockchain.getTxOut(
         "62a3ea958a463a372bc0caf2c374a7f60be9c624be63a0db8db78f05809df6d8",
@@ -404,7 +404,7 @@ describe("#Blockchain", () => {
     })
 
     it("should get information on a spent tx", async () => {
-      sandbox.stub(axios, "get").resolves({ data: null })
+      sandbox.stub(axios, "post").resolves({ data: null })
 
       const result = await bchjs.Blockchain.getTxOut(
         "87380e52d151856b23173d6d8a3db01b984c6b50f77ea045a5a1cf4f54497871",