diff --git a/packages/tendermint-rpc/src/rpcclients/http.spec.ts b/packages/tendermint-rpc/src/rpcclients/http.spec.ts
new file mode 100644
index 00000000..fa6b3b0f
--- /dev/null
+++ b/packages/tendermint-rpc/src/rpcclients/http.spec.ts
@@ -0,0 +1,63 @@
+/* eslint-disable @typescript-eslint/naming-convention */
+import { createJsonRpcRequest } from "../jsonrpc";
+import { defaultInstance, pendingWithoutTendermint } from "../testutil.spec";
+import { http } from "./http";
+
+function pendingWithoutHttpServer(): void {
+  if (!process.env.HTTPSERVER_ENABLED) {
+    pending("Set HTTPSERVER_ENABLED to enable HTTP tests");
+  }
+}
+
+const tendermintUrl = defaultInstance.url;
+const echoUrl = "http://localhost:5555/echo_headers";
+
+describe("http", () => {
+  it("can send a health request", async () => {
+    pendingWithoutTendermint();
+    const response = await http("POST", `http://${tendermintUrl}`, undefined, createJsonRpcRequest("health"));
+    expect(response).toEqual(jasmine.objectContaining({ jsonrpc: "2.0" }));
+  });
+
+  it("errors for non-open port", async () => {
+    await expectAsync(
+      http("POST", `http://localhost:56745`, undefined, createJsonRpcRequest("health")),
+    ).toBeRejectedWithError(/(ECONNREFUSED|Failed to fetch)/i);
+  });
+
+  it("can send custom headers", async () => {
+    pendingWithoutHttpServer();
+    // Without custom headers
+    const response1 = await http("POST", echoUrl, undefined, createJsonRpcRequest("health"));
+    expect(response1).toEqual({
+      request_headers: jasmine.objectContaining({
+        // Basic headers from http client
+        Accept: jasmine.any(String),
+        "Content-Length": jasmine.any(String),
+        "Content-Type": "application/json",
+        Host: jasmine.any(String),
+        "User-Agent": jasmine.any(String),
+      }),
+    });
+
+    // With custom headers
+    const response2 = await http(
+      "POST",
+      echoUrl,
+      { foo: "bar123", Authorization: "Basic Z3Vlc3Q6bm9QYXNzMTIz" },
+      createJsonRpcRequest("health"),
+    );
+    expect(response2).toEqual({
+      request_headers: jasmine.objectContaining({
+        // Basic headers from http client
+        "Content-Length": jasmine.any(String),
+        "Content-Type": "application/json",
+        Host: jasmine.any(String),
+        "User-Agent": jasmine.any(String),
+        // Custom headers
+        foo: "bar123",
+        Authorization: "Basic Z3Vlc3Q6bm9QYXNzMTIz",
+      }),
+    });
+  });
+});
diff --git a/packages/tendermint-rpc/src/rpcclients/http.ts b/packages/tendermint-rpc/src/rpcclients/http.ts
new file mode 100644
index 00000000..f7ec0b41
--- /dev/null
+++ b/packages/tendermint-rpc/src/rpcclients/http.ts
@@ -0,0 +1,44 @@
+import axios from "axios";
+
+// Global symbols in some environments
+// https://developer.mozilla.org/en-US/docs/Web/API/WindowOrWorkerGlobalScope/fetch
+declare const fetch: any | undefined;
+
+function filterBadStatus(res: any): any {
+  if (res.status >= 400) {
+    throw new Error(`Bad status on response: ${res.status}`);
+  }
+  return res;
+}
+
+/**
+ * Helper to work around missing CORS support in Tendermint (https://github.com/tendermint/tendermint/pull/2800)
+ *
+ * For some reason, fetch does not complain about missing server-side CORS support.
+ */
+// eslint-disable-next-line @typescript-eslint/explicit-module-boundary-types
+export async function http(
+  method: "POST",
+  url: string,
+  headers: Record<string, string> | undefined,
+  request?: any,
+): Promise<any> {
+  if (typeof fetch !== "undefined") {
+    const settings = {
+      method: method,
+      body: request ? JSON.stringify(request) : undefined,
+      headers: {
+        // eslint-disable-next-line @typescript-eslint/naming-convention
+        "Content-Type": "application/json",
+        ...headers,
+      },
+    };
+    return fetch(url, settings)
+      .then(filterBadStatus)
+      .then((res: any) => res.json());
+  } else {
+    return axios
+      .request({ url: url, method: method, data: request, headers: headers })
+      .then((res) => res.data);
+  }
+}
diff --git a/packages/tendermint-rpc/src/rpcclients/httpbatchclient.spec.ts b/packages/tendermint-rpc/src/rpcclients/httpbatchclient.spec.ts
index c0362834..d242f84f 100644
--- a/packages/tendermint-rpc/src/rpcclients/httpbatchclient.spec.ts
+++ b/packages/tendermint-rpc/src/rpcclients/httpbatchclient.spec.ts
@@ -2,7 +2,6 @@
 import { createJsonRpcRequest } from "../jsonrpc";
 import { defaultInstance } from "../testutil.spec";
 import { HttpBatchClient } from "./httpbatchclient";
-import { http } from "./httpclient";
 
 function pendingWithoutTendermint(): void {
   if (!process.env.TENDERMINT_ENABLED) {
@@ -10,64 +9,7 @@ function pendingWithoutTendermint(): void {
   }
 }
 
-function pendingWithoutHttpServer(): void {
-  if (!process.env.HTTPSERVER_ENABLED) {
-    pending("Set HTTPSERVER_ENABLED to enable HTTP tests");
-  }
-}
-
 const tendermintUrl = defaultInstance.url;
-const echoUrl = "http://localhost:5555/echo_headers";
-
-describe("http", () => {
-  it("can send a health request", async () => {
-    pendingWithoutTendermint();
-    const response = await http("POST", `http://${tendermintUrl}`, undefined, createJsonRpcRequest("health"));
-    expect(response).toEqual(jasmine.objectContaining({ jsonrpc: "2.0" }));
-  });
-
-  it("errors for non-open port", async () => {
-    await expectAsync(
-      http("POST", `http://localhost:56745`, undefined, createJsonRpcRequest("health")),
-    ).toBeRejectedWithError(/(ECONNREFUSED|Failed to fetch)/i);
-  });
-
-  it("can send custom headers", async () => {
-    pendingWithoutHttpServer();
-    // Without custom headers
-    const response1 = await http("POST", echoUrl, undefined, createJsonRpcRequest("health"));
-    expect(response1).toEqual({
-      request_headers: jasmine.objectContaining({
-        // Basic headers from http client
-        Accept: jasmine.any(String),
-        "Content-Length": jasmine.any(String),
-        "Content-Type": "application/json",
-        Host: jasmine.any(String),
-        "User-Agent": jasmine.any(String),
-      }),
-    });
-
-    // With custom headers
-    const response2 = await http(
-      "POST",
-      echoUrl,
-      { foo: "bar123", Authorization: "Basic Z3Vlc3Q6bm9QYXNzMTIz" },
-      createJsonRpcRequest("health"),
-    );
-    expect(response2).toEqual({
-      request_headers: jasmine.objectContaining({
-        // Basic headers from http client
-        "Content-Length": jasmine.any(String),
-        "Content-Type": "application/json",
-        Host: jasmine.any(String),
-        "User-Agent": jasmine.any(String),
-        // Custom headers
-        foo: "bar123",
-        Authorization: "Basic Z3Vlc3Q6bm9QYXNzMTIz",
-      }),
-    });
-  });
-});
 
 describe("HttpBatchClient", () => {
   it("can make a simple call", async () => {
diff --git a/packages/tendermint-rpc/src/rpcclients/httpbatchclient.ts b/packages/tendermint-rpc/src/rpcclients/httpbatchclient.ts
index 1b616c3b..f0bafc96 100644
--- a/packages/tendermint-rpc/src/rpcclients/httpbatchclient.ts
+++ b/packages/tendermint-rpc/src/rpcclients/httpbatchclient.ts
@@ -5,7 +5,8 @@ import {
   parseJsonRpcResponse,
 } from "@cosmjs/json-rpc";
 
-import { http, HttpEndpoint } from "./httpclient";
+import { http } from "./http";
+import { HttpEndpoint } from "./httpclient";
 import { hasProtocol, RpcClient } from "./rpcclient";
 
 export interface HttpBatchClientOptions {
diff --git a/packages/tendermint-rpc/src/rpcclients/httpclient.spec.ts b/packages/tendermint-rpc/src/rpcclients/httpclient.spec.ts
index 1c326508..11cf707e 100644
--- a/packages/tendermint-rpc/src/rpcclients/httpclient.spec.ts
+++ b/packages/tendermint-rpc/src/rpcclients/httpclient.spec.ts
@@ -1,7 +1,6 @@
-/* eslint-disable @typescript-eslint/naming-convention */
 import { createJsonRpcRequest } from "../jsonrpc";
 import { defaultInstance } from "../testutil.spec";
-import { http, HttpClient } from "./httpclient";
+import { HttpClient } from "./httpclient";
 
 function pendingWithoutTendermint(): void {
   if (!process.env.TENDERMINT_ENABLED) {
@@ -9,64 +8,7 @@ function pendingWithoutTendermint(): void {
   }
 }
 
-function pendingWithoutHttpServer(): void {
-  if (!process.env.HTTPSERVER_ENABLED) {
-    pending("Set HTTPSERVER_ENABLED to enable HTTP tests");
-  }
-}
-
 const tendermintUrl = defaultInstance.url;
-const echoUrl = "http://localhost:5555/echo_headers";
-
-describe("http", () => {
-  it("can send a health request", async () => {
-    pendingWithoutTendermint();
-    const response = await http("POST", `http://${tendermintUrl}`, undefined, createJsonRpcRequest("health"));
-    expect(response).toEqual(jasmine.objectContaining({ jsonrpc: "2.0" }));
-  });
-
-  it("errors for non-open port", async () => {
-    await expectAsync(
-      http("POST", `http://localhost:56745`, undefined, createJsonRpcRequest("health")),
-    ).toBeRejectedWithError(/(ECONNREFUSED|Failed to fetch)/i);
-  });
-
-  it("can send custom headers", async () => {
-    pendingWithoutHttpServer();
-    // Without custom headers
-    const response1 = await http("POST", echoUrl, undefined, createJsonRpcRequest("health"));
-    expect(response1).toEqual({
-      request_headers: jasmine.objectContaining({
-        // Basic headers from http client
-        Accept: jasmine.any(String),
-        "Content-Length": jasmine.any(String),
-        "Content-Type": "application/json",
-        Host: jasmine.any(String),
-        "User-Agent": jasmine.any(String),
-      }),
-    });
-
-    // With custom headers
-    const response2 = await http(
-      "POST",
-      echoUrl,
-      { foo: "bar123", Authorization: "Basic Z3Vlc3Q6bm9QYXNzMTIz" },
-      createJsonRpcRequest("health"),
-    );
-    expect(response2).toEqual({
-      request_headers: jasmine.objectContaining({
-        // Basic headers from http client
-        "Content-Length": jasmine.any(String),
-        "Content-Type": "application/json",
-        Host: jasmine.any(String),
-        "User-Agent": jasmine.any(String),
-        // Custom headers
-        foo: "bar123",
-        Authorization: "Basic Z3Vlc3Q6bm9QYXNzMTIz",
-      }),
-    });
-  });
-});
 
 describe("HttpClient", () => {
   it("can make a simple call", async () => {
diff --git a/packages/tendermint-rpc/src/rpcclients/httpclient.ts b/packages/tendermint-rpc/src/rpcclients/httpclient.ts
index 0b7dedac..a17e9699 100644
--- a/packages/tendermint-rpc/src/rpcclients/httpclient.ts
+++ b/packages/tendermint-rpc/src/rpcclients/httpclient.ts
@@ -4,53 +4,10 @@ import {
   JsonRpcSuccessResponse,
   parseJsonRpcResponse,
 } from "@cosmjs/json-rpc";
-import axios from "axios";
 
+import { http } from "./http";
 import { hasProtocol, RpcClient } from "./rpcclient";
 
-// Global symbols in some environments
-// https://developer.mozilla.org/en-US/docs/Web/API/WindowOrWorkerGlobalScope/fetch
-declare const fetch: any | undefined;
-
-function filterBadStatus(res: any): any {
-  if (res.status >= 400) {
-    throw new Error(`Bad status on response: ${res.status}`);
-  }
-  return res;
-}
-
-/**
- * Helper to work around missing CORS support in Tendermint (https://github.com/tendermint/tendermint/pull/2800)
- *
- * For some reason, fetch does not complain about missing server-side CORS support.
- */
-// eslint-disable-next-line @typescript-eslint/explicit-module-boundary-types
-export async function http(
-  method: "POST",
-  url: string,
-  headers: Record<string, string> | undefined,
-  request?: any,
-): Promise<any> {
-  if (typeof fetch !== "undefined") {
-    const settings = {
-      method: method,
-      body: request ? JSON.stringify(request) : undefined,
-      headers: {
-        // eslint-disable-next-line @typescript-eslint/naming-convention
-        "Content-Type": "application/json",
-        ...headers,
-      },
-    };
-    return fetch(url, settings)
-      .then(filterBadStatus)
-      .then((res: any) => res.json());
-  } else {
-    return axios
-      .request({ url: url, method: method, data: request, headers: headers })
-      .then((res) => res.data);
-  }
-}
-
 export interface HttpEndpoint {
   /**
    * The URL of the HTTP endpoint.