A Ruby gem to interact with the Harvest API v2.0 and forward.


Add this line to your application's Gemfile:

gem 'harvesting'

And then execute:

$ bundle

Or install it yourself as:

$ gem install harvesting


In order to start using this gem you will need your personal token and an account id:


You can find these details over here: https://id.getharvest.com/developers

If you don't specify values for access_token or account_id, it will default to these environment variables:


That means that you could build a client like this:

# $ export HARVEST_ACCOUNT_ID=12345678
client = Harvesting::Client.new
> => #<Harvesting::Models::User:0x007ff8830658f0 @attributes={"id"=>2108614, "first_name"=>"Ernesto", "last_name"=>"Tagwerker", ... >

If you don't specify a valid combination of token and account id, your code will raise this error:

client = Harvesting::Client.new(access_token: "foo", account_id: "bar")
> Harvesting::AuthenticationError: {"error":"invalid_token","error_description":"The access token provided is expired, revoked, malformed or invalid for other reasons."}

If your personal token and account id are valid, you should see something like this:

client = Harvesting::Client.new(access_token: "<your token here>", account_id: "<your account id here>")
user = client.me
> => #<Harvesting::Models::User:0x007ff8830658f0 @attributes={"id"=>2108614, "first_name"=>"Ernesto", "last_name"=>"Tagwerker", ... >

> => 2108614


> => [#<Harvesting::Models::Client:0x007ff718d65fd0 @attributes={"id"=>6760580, "name"=>"Toto", "is_active"=>true, "address"=>"" ... >

client = client.clients.first
> => #<Harvesting::Models::Client:0x007ff718cf5fc8 @attributes={"id"=>6760580, "name"=>"Toto",
... >

Time Entries

time_entries = client.time_entries
> => #<Harvesting::Models::TimeEntries:0x007ff71913e3a0 @attributes={"per_page"=>100, "total_pages"=>1, "total_entries"=>14, "next_page"=>nil, "previous_page"=>nil, "page"=>1, "links"=>{"first"=>"https://api.harvestapp.com/v2/time_entries?limit=1&page=1&per_page=100", "next"=>nil, "previous"=>nil, "last"=>"https://api.harvestapp.com/v2/time_entries?limit=1&page=1&per_page=100"}}, ... >

entry = time_entries.first
> => #<Harvesting::Models::TimeEntry:0x007ff71913dfe0 @attributes={"id"=>792860513, "spent_date"=>"2018-05-14", "hours"=>1.0, "notes"=>"hacked the things", "is_locked"=>false, "locked_reason"=>nil, "is_closed"=>false, "is_billed"=>false, "timer_started_at"=>nil, "started_time"=>nil, "ended_time"=>nil, "is_running"=>false, "billable"=>true, "budgeted"=>false, "billable_rate"=>nil, "cost_rate ... >


tasks = client.tasks
> => #<Harvesting::Models::Tasks:0x007ff718897990 @attributes={"per_page"=>100, "total_pages"=>1, "total_entries"=>6, "next_page"=>nil, "previous_page"=>nil, "page"=>1, "links"=>{"first"=>"https://api.harvestapp.com/v2/tasks?page=1&per_page=100", "next"=>nil, ... >


projects = client.projects
> => #<Harvesting::Models::Projects:0x007ff718e1c8e8 @attributes={"per_page"=>100, "total_pages"=>1, "total_entries"=>1, "next_page"=>nil, "previous_page"=>nil, "page"=>1, "links"=>{"first"=>"https://api.harvestapp.com/v2/projects?page=1&per_page=100", ... >

project = projects.first
> => #<Harvesting::Models::Project:0x007ff718e1c618 @attributes={"id"=>17367712, "name"=>"Foo", "code"=>"", "is_active"=>true, "is_billable"=>true, "is_fixed_fee"=>false, "bill_by"=>"none", "budget"=>nil, "budget_by"=>"none", "budget_is_monthly"=>false, "notify_when_over_budget"=>false, "over_budget_notification_percentage"=>80.0, "show_budget_to_all"=>false, "created_at"=>"2018-05-13T03:30:06Z", ... >


There are many things to be developed for this gem. For now they are tracked here: TODO.md


Without Docker

After checking out the repo, run bin/setup to install dependencies. Then, run rake spec to run the tests. You can also run bin/console for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and tags, and push the .gem file to rubygems.org.

With Docker

This setup allows you to create a completely isolated development environment for working on this gem. The version of ruby used for development and the gems that it depends on will remain inside the container.

After checking out the repo, run docker-compose build to create the gem container. Running docker-compose run gem bash will get you a bash session inside the container. From there, you can follow the instructions in the "Without Docker" section above.


Bug reports and pull requests are welcome on GitHub at https://github.com/ombulabs/harvesting. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the Contributor Covenant code of conduct.


The gem is available as open source under the terms of the MIT License.

Code of Conduct

Everyone interacting in the Harvesting project’s codebases, issue trackers, chat rooms and mailing lists is expected to follow the code of conduct.