diff --git a/.github/workflows/R-CMD-check.yaml b/.github/workflows/R-CMD-check.yaml
new file mode 100644
index 0000000..0f2fe08
--- /dev/null
+++ b/.github/workflows/R-CMD-check.yaml
@@ -0,0 +1,52 @@
+# Workflow derived from https://github.com/r-lib/actions/tree/v2/examples
+# Need help debugging build failures? Start at https://github.com/r-lib/actions#where-to-find-help
+on:
+  push:
+    branches: [main, master]
+  pull_request:
+    branches: [main, master]
+
+name: R-CMD-check
+
+permissions: read-all
+
+jobs:
+  R-CMD-check:
+    runs-on: ${{ matrix.config.os }}
+
+    name: ${{ matrix.config.os }} (${{ matrix.config.r }})
+
+    strategy:
+      fail-fast: false
+      matrix:
+        config:
+          - {os: macos-latest,   r: 'release'}
+          - {os: windows-latest, r: 'release'}
+          - {os: ubuntu-latest,   r: 'devel', http-user-agent: 'release'}
+          - {os: ubuntu-latest,   r: 'release'}
+          - {os: ubuntu-latest,   r: 'oldrel-1'}
+
+    env:
+      GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
+      R_KEEP_PKG_SOURCE: yes
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: r-lib/actions/setup-pandoc@v2
+
+      - uses: r-lib/actions/setup-r@v2
+        with:
+          r-version: ${{ matrix.config.r }}
+          http-user-agent: ${{ matrix.config.http-user-agent }}
+          use-public-rspm: true
+
+      - uses: r-lib/actions/setup-r-dependencies@v2
+        with:
+          extra-packages: any::rcmdcheck
+          needs: check
+
+      - uses: r-lib/actions/check-r-package@v2
+        with:
+          upload-snapshots: true
+          build_args: 'c("--no-manual","--compact-vignettes=gs+qpdf")'
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 83dbc8b..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,7 +0,0 @@
-# R for travis: see documentation at https://docs.travis-ci.com/user/languages/r
-
-language: R
-sudo: false
-cache: packages
-after_success:
-  - Rscript -e 'covr::codecov()'
diff --git a/R/cbRt_helper.R b/R/cbRt_helper.R
index f76e892..e4611f9 100644
--- a/R/cbRt_helper.R
+++ b/R/cbRt_helper.R
@@ -6,7 +6,7 @@
 # Get Categories----
 # -------------------------------------------------------------------------- ###
 get_categories_info <- function(token = NULL) {
-  if (is.null(token)) token <- Sys.getenv("EVDS_TOKEN")
+  if (is.null(token)) CBRTKey <- myCBRTKey <- Sys.getenv("EVDS_TOKEN")
   urlroot <- "https://evds2.tcmb.gov.tr/service/evds/categories/"
   url <- paste0(urlroot, "type=json")
   doc <- cbrt_geturl(url, token = token)
diff --git a/README.Rmd b/README.Rmd
index 09cb55d..2c028b8 100644
--- a/README.Rmd
+++ b/README.Rmd
@@ -15,6 +15,10 @@ knitr::opts_chunk$set(
 # cbRt
 [![lifecycle](https://img.shields.io/badge/lifecycle-experimental-orange.svg)](https://www.tidyverse.org/lifecycle/#experimental)
 
+<!-- badges: start -->
+[![R-CMD-check](https://github.com/emraher/cbRt/actions/workflows/R-CMD-check.yaml/badge.svg)](https://github.com/emraher/cbRt/actions/workflows/R-CMD-check.yaml)
+<!-- badges: end -->
+
 ## Disclaimer
 
 This software is in no way affiliated, endorsed, or approved by the CBRT. It comes with absolutely no warranty. Also see the [Disclaimer on CBRT webpage](http://www.tcmb.gov.tr/wps/wcm/connect/TCMB+EN/TCMB+EN/Footer+Menu/Disclaimer) since it mentions; **"Information published in this site may be quoted by specific reference thereto, but the use of such information for commercial purposes shall be subject to prior written permission of the CBRT."**
diff --git a/_pkgdown.yml b/_pkgdown.yml
deleted file mode 100644
index e69de29..0000000
diff --git a/appveyor.yml b/appveyor.yml
deleted file mode 100755
index c6c1438..0000000
--- a/appveyor.yml
+++ /dev/null
@@ -1,45 +0,0 @@
-# DO NOT CHANGE the "init" and "install" sections below
-
-# Download script file from GitHub
-init:
-  ps: |
-        $ErrorActionPreference = "Stop"
-        Invoke-WebRequest http://raw.github.com/krlmlr/r-appveyor/master/scripts/appveyor-tool.ps1 -OutFile "..\appveyor-tool.ps1"
-        Import-Module '..\appveyor-tool.ps1'
-
-install:
-  ps: Bootstrap
-
-cache:
-  - C:\RLibrary
-
-# Adapt as necessary starting from here
-
-build_script:
-  - travis-tool.sh install_deps
-
-test_script:
-  - travis-tool.sh run_tests
-
-on_failure:
-  - 7z a failure.zip *.Rcheck\*
-  - appveyor PushArtifact failure.zip
-
-artifacts:
-  - path: '*.Rcheck\**\*.log'
-    name: Logs
-
-  - path: '*.Rcheck\**\*.out'
-    name: Logs
-
-  - path: '*.Rcheck\**\*.fail'
-    name: Logs
-
-  - path: '*.Rcheck\**\*.Rout'
-    name: Logs
-
-  - path: '\*_*.tar.gz'
-    name: Bits
-
-  - path: '\*_*.zip'
-    name: Bits
diff --git a/codecov.yml b/codecov.yml
deleted file mode 100644
index 8f36b6c..0000000
--- a/codecov.yml
+++ /dev/null
@@ -1,12 +0,0 @@
-comment: false
-
-coverage:
-  status:
-    project:
-      default:
-        target: auto
-        threshold: 1%
-    patch:
-      default:
-        target: auto
-        threshold: 1%