diff --git a/bun.lockb b/bun.lockb
index 228c46d..805f408 100755
Binary files a/bun.lockb and b/bun.lockb differ
diff --git a/cli/main.ts b/cli/main.ts
index 59b0858..0a0854b 100644
--- a/cli/main.ts
+++ b/cli/main.ts
@@ -14,6 +14,7 @@ import semver from "semver"
 import { registerExport } from "./export/register"
 import { registerAuthPrintToken } from "./auth/print-token/register"
 import { registerAuthSetToken } from "./auth/set-token/register"
+import { registerPush } from "./push/register"
 
 const program = new Command()
 
@@ -28,6 +29,7 @@ registerInit(program)
 
 registerDev(program)
 registerClone(program)
+registerPush(program)
 
 registerAuth(program)
 registerAuthLogin(program)
diff --git a/cli/push/register.ts b/cli/push/register.ts
new file mode 100644
index 0000000..a61710b
--- /dev/null
+++ b/cli/push/register.ts
@@ -0,0 +1,199 @@
+import type { Command } from "commander"
+import { cliConfig } from "lib/cli-config"
+import { getKy } from "lib/registry-api/get-ky"
+import * as fs from "node:fs"
+import * as path from "node:path"
+import semver from "semver"
+
+export const registerPush = (program: Command) => {
+  program
+    .command("push")
+    .description("Save snippet code to Registry API")
+    .argument("[file]", "Path to the snippet file")
+    .action(async (filePath?: string) => {
+      const sessionToken = cliConfig.get("sessionToken")
+      if (!sessionToken) {
+        console.error("You need to log in to save snippet.")
+        process.exit(1)
+      }
+
+      let snippetFilePath: string | null = null
+      if (filePath) {
+        snippetFilePath = path.resolve(filePath)
+      } else {
+        const defaultEntrypoint = path.resolve("index.tsx")
+        if (fs.existsSync(defaultEntrypoint)) {
+          snippetFilePath = defaultEntrypoint
+          console.log("No file provided. Using 'index.tsx' as the entrypoint.")
+        } else {
+          console.error(
+            "No entrypoint found. Run 'tsci init' to bootstrap a basic project.",
+          )
+          process.exit(1)
+        }
+      }
+
+      const packageJsonPath = path.resolve(
+        path.join(path.dirname(snippetFilePath), "package.json"),
+      )
+      let packageJson: { name?: string; author?: string; version?: string } = {}
+      if (fs.existsSync(packageJsonPath)) {
+        try {
+          packageJson = JSON.parse(fs.readFileSync(packageJsonPath).toString())
+        } catch {
+          console.error("Invalid package.json provided")
+          process.exit(1)
+        }
+      }
+
+      if (!fs.existsSync(snippetFilePath)) {
+        console.error(`File not found: ${snippetFilePath}`)
+        process.exit(1)
+      }
+
+      const ky = getKy()
+      const packageName = (
+        packageJson.name ?? path.parse(snippetFilePath).name
+      ).replace(/^@/, "")
+
+      const packageAuthor =
+        packageJson.author?.split(" ")[0] ?? cliConfig.get("githubUsername")
+
+      const packageIdentifier = `${packageAuthor}/${packageName}`
+
+      let packageVersion =
+        packageJson.version ??
+        (await ky
+          .post<{
+            error?: { error_code: string }
+            package_releases?: { version: string; is_latest: boolean }[]
+          }>("package_releases/list", {
+            json: { package_name: packageIdentifier },
+          })
+          .json()
+          .then(
+            (response) =>
+              response.package_releases?.[response.package_releases.length - 1]
+                ?.version,
+          )
+          .catch((error) => {
+            console.error("Failed to retrieve latest package version:", error)
+            process.exit(1)
+          }))
+
+      if (!packageVersion) {
+        console.log("Failed to retrieve package version.")
+        process.exit(1)
+      }
+
+      const updatePackageJsonVersion = (newVersion?: string) => {
+        if (packageJson.version) {
+          try {
+            packageJson.version = newVersion ?? packageVersion
+            fs.writeFileSync(
+              packageJsonPath,
+              JSON.stringify(packageJson, null, 2),
+            )
+          } catch (error) {
+            console.error("Failed to update package.json version:", error)
+          }
+        }
+      }
+
+      const doesPackageExist = await ky
+        .post<{ error?: { error_code: string } }>("packages/get", {
+          json: { name: packageIdentifier },
+          throwHttpErrors: false,
+        })
+        .json()
+        .then(
+          (response) => !(response.error?.error_code === "package_not_found"),
+        )
+
+      if (!doesPackageExist) {
+        await ky
+          .post("packages/create", {
+            json: { name: packageIdentifier },
+            headers: { Authorization: `Bearer ${sessionToken}` },
+          })
+          .catch((error) => {
+            console.error("Error creating package:", error)
+            process.exit(1)
+          })
+      }
+
+      const doesReleaseExist = await ky
+        .post<{
+          error?: { error_code: string }
+          package_release?: { version: string }
+        }>("package_releases/get", {
+          json: {
+            package_name_with_version: `${packageIdentifier}@${packageVersion}`,
+          },
+          throwHttpErrors: false,
+        })
+        .json()
+        .then((response) => {
+          if (response.package_release?.version) {
+            packageVersion = response.package_release.version
+            updatePackageJsonVersion(response.package_release.version)
+            return true
+          }
+          return !(response.error?.error_code === "package_release_not_found")
+        })
+
+      if (doesReleaseExist) {
+        const bumpedVersion = semver.inc(packageVersion, "patch")!
+        console.log(
+          `Incrementing Package Version ${packageVersion} -> ${bumpedVersion}`,
+        )
+        packageVersion = bumpedVersion
+        updatePackageJsonVersion(packageVersion)
+      }
+
+      await ky
+        .post("package_releases/create", {
+          json: {
+            package_name_with_version: `${packageIdentifier}@${packageVersion}`,
+          },
+          throwHttpErrors: false,
+        })
+        .catch((error) => {
+          console.error("Error creating release:", error)
+          process.exit(1)
+        })
+
+      console.log("\n")
+
+      const directoryFiles = fs.readdirSync(path.dirname(snippetFilePath))
+      for (const file of directoryFiles) {
+        const fileExtension = path.extname(file).replace(".", "")
+        if (!["json", "tsx", "ts"].includes(fileExtension)) continue
+
+        const fileContent =
+          fs
+            .readFileSync(path.join(path.dirname(snippetFilePath), file))
+            .toString() ?? ""
+        await ky
+          .post("package_files/create", {
+            json: {
+              file_path: file,
+              content_text: fileContent,
+              package_name_with_version: `${packageIdentifier}@${packageVersion}`,
+            },
+            throwHttpErrors: false,
+          })
+          .then(() => {
+            console.log(`Uploaded file ${file} to the registry.`)
+          })
+          .catch((error) => {
+            console.error(`Error uploading file ${file}:`, error)
+          })
+      }
+
+      console.log(
+        `\n🎉 Successfully pushed package ${packageIdentifier}@${packageVersion} to the registry!${Bun.color("blue", "ansi")}`,
+        `https://tscircuit.com/${packageIdentifier} \x1b[0m`,
+      )
+    })
+}
diff --git a/lib/registry-api/get-ky.ts b/lib/registry-api/get-ky.ts
index 75a11bb..fc0b4d6 100644
--- a/lib/registry-api/get-ky.ts
+++ b/lib/registry-api/get-ky.ts
@@ -1,7 +1,7 @@
 import { getRegistryApiUrl } from "lib/cli-config"
 import ky, { type AfterResponseHook } from "ky"
 
-const prettyResponseErrorHook: AfterResponseHook = async (
+export const prettyResponseErrorHook: AfterResponseHook = async (
   _request,
   _options,
   response,
diff --git a/package.json b/package.json
index 1c0e881..006e774 100644
--- a/package.json
+++ b/package.json
@@ -17,6 +17,7 @@
   "devDependencies": {
     "@biomejs/biome": "^1.9.4",
     "@tscircuit/core": "^0.0.249",
+    "@tscircuit/fake-snippets": "^0.0.5",
     "@types/bun": "^1.1.15",
     "@types/configstore": "^6.0.2",
     "@types/react": "^19.0.1",
@@ -41,6 +42,7 @@
     "ky": "^1.7.4",
     "make-vfs": "^1.0.15",
     "perfect-cli": "^1.0.20",
+    "redaxios": "^0.5.1",
     "semver": "^7.6.3"
   }
 }
diff --git a/tests/fake-snippets-api.d.ts b/tests/fake-snippets-api.d.ts
new file mode 100644
index 0000000..64398b1
--- /dev/null
+++ b/tests/fake-snippets-api.d.ts
@@ -0,0 +1,3 @@
+declare module "fake-snippets-api/lib/db/db-client" {
+  export function createDatabase(): any
+}
diff --git a/tests/fixtures/get-test-server.ts b/tests/fixtures/get-test-server.ts
new file mode 100644
index 0000000..09125a0
--- /dev/null
+++ b/tests/fixtures/get-test-server.ts
@@ -0,0 +1,54 @@
+import { afterAll } from "bun:test"
+import { startServer } from "@tscircuit/fake-snippets/bun-tests/fake-snippets-api/fixtures/start-server"
+import { DbClient } from "@tscircuit/fake-snippets/fake-snippets-api/lib/db/db-client"
+import ky from "ky"
+import { prettyResponseErrorHook } from "lib/registry-api/get-ky"
+import { cliConfig } from "lib/cli-config"
+import { seed as seedDB } from "@tscircuit/fake-snippets/fake-snippets-api/lib/db/seed"
+
+interface TestFixture {
+  url: string
+  server: any
+  ky: typeof ky
+  db: DbClient
+}
+
+export const getTestSnippetsServer = async (): Promise<TestFixture> => {
+  const port = 3789
+  const testInstanceId = Math.random().toString(36).substring(2, 15)
+  const testDbName = `testdb${testInstanceId}`
+
+  const { server, db } = await startServer({
+    port,
+    testDbName,
+  })
+
+  const url = `http://localhost:${port}/api`
+  seedDB(db)
+  const kyInstance = ky.create({
+    prefixUrl: url,
+    hooks: {
+      afterResponse: [prettyResponseErrorHook],
+    },
+    headers: {
+      Authorization: `Bearer ${db.accounts[0].account_id}`,
+    },
+  })
+
+  cliConfig.set("sessionToken", db.accounts[0].account_id)
+  cliConfig.set("registryApiUrl", url)
+
+  afterAll(async () => {
+    if (server && typeof server.stop === "function") {
+      await server.stop()
+    }
+    cliConfig.clear()
+  })
+
+  return {
+    url,
+    server,
+    ky: kyInstance,
+    db,
+  }
+}
diff --git a/tests/test4-push-api.test.ts b/tests/test4-push-api.test.ts
new file mode 100644
index 0000000..e5c51fb
--- /dev/null
+++ b/tests/test4-push-api.test.ts
@@ -0,0 +1,85 @@
+import { test, expect, beforeEach, afterEach } from "bun:test"
+import { getTestSnippetsServer } from "./fixtures/get-test-server"
+import { getCliTestFixture } from "./fixtures/get-cli-test-fixture"
+import * as fs from "node:fs"
+import * as path from "node:path"
+
+const { ky } = await getTestSnippetsServer()
+const { tmpDir, runCommand } = await getCliTestFixture()
+
+beforeEach(() => {
+  fs.rmSync(tmpDir, { recursive: true, force: true })
+  fs.mkdirSync(tmpDir, { recursive: true })
+  fs.writeFileSync(
+    path.join(tmpDir, "package.json"),
+    JSON.stringify({
+      name: "test-package",
+      version: "1.0.0",
+    }),
+  )
+})
+afterEach(() => {
+  fs.rmSync(tmpDir, { recursive: true, force: true })
+})
+
+test("should fail if no entrypoint file is found", async () => {
+  await runCommand("tsci push").catch((e) => {
+    expect(e.message).toInclude(
+      "No entrypoint found. Run 'tsci init' to bootstrap a basic project.",
+    )
+  })
+})
+
+test("should use default entrypoint if no file is provided", async () => {
+  const defaultEntrypoint = path.resolve(tmpDir, "index.tsx")
+  fs.writeFileSync(defaultEntrypoint, "// Default entrypoint!")
+  const { stdout } = await runCommand(`tsci push`)
+  expect(stdout).toContain(
+    "No file provided. Using 'index.tsx' as the entrypoint.",
+  )
+})
+
+test("should fail if package.json is missing or invalid", async () => {
+  const snippetFilePath = path.resolve(tmpDir, "snippet.tsx")
+  fs.writeFileSync(snippetFilePath, "// Snippet content")
+
+  try {
+    await runCommand(`tsci push ${snippetFilePath}`)
+  } catch (error) {
+    expect(console.error).toHaveBeenCalledWith(
+      "Failed to retrieve package version.",
+    )
+  }
+})
+
+test("should create package if it does not exist", async () => {
+  const snippetFilePath = path.resolve(tmpDir, "snippet.tsx")
+
+  fs.writeFileSync(snippetFilePath, "// Snippet content")
+
+  const { stdout } = await runCommand(`tsci push ${snippetFilePath}`)
+  expect(stdout).toContain("Successfully pushed package")
+})
+
+test("should bump version if release already exists", async () => {
+  const snippetFilePath = path.resolve(tmpDir, "snippet.tsx")
+  const packageJsonPath = path.resolve(tmpDir, "package.json")
+
+  fs.writeFileSync(snippetFilePath, "// Snippet content")
+  fs.writeFileSync(
+    packageJsonPath,
+    JSON.stringify({ name: "test-package", version: "1.0.0" }),
+  )
+
+  const { stdout } = await runCommand(`tsci push ${snippetFilePath}`)
+  expect(stdout).toContain("Incrementing Package Version 1.0.0 -> 1.0.1")
+})
+
+test("should upload files to the registry", async () => {
+  const snippetFilePath = path.resolve(tmpDir, "snippet.tsx")
+
+  fs.writeFileSync(snippetFilePath, "// Snippet content")
+
+  const { stdout } = await runCommand(`tsci push ${snippetFilePath}`)
+  expect(stdout).toContain("Uploaded file snippet.tsx to the registry.")
+})