TD Ameritrade reserves the right to restrict or revoke this offer at any time. This is not an offer or solicitation in any jurisdiction where we are not authorized to do business. Please allow 3-5 business days for any cash deposits to post to account. (Offer Code: MKT600) Taxes related to TD Ameritrade offers are your responsibility. TD Ameritrade API Access - 2019 Guide : algotrading Learning a new API also never hurts when it comes to skill development. I actually just figured out that if you just want to curl a web request you don't need to go through any of the above nonsense. You just need the Consumer Key and the proper URL format which can be found in the API docs.