If you are an existing customer at DigitalOcean, you can use these promo codes below to grab some free credits for your account.
DigitalOcean Existing Customer CouponLOWENDBOX – Get a $15 free credit !
DROPLET10 – Give you a $10 Off Your Order
DO10 – Free $10 in Credit for Old-Customer
Other Couponsgh2251fd55642d – Give you $100 in account balance.balance.
1b556432185f56 – Free $25 Credit.
3dfghy90wtet46 – Get $50 credit to create your droplets.
85ew2651fffew9 – $25 Account Credit for Free.
25dg66232422 – $50 Free Credit for all customers.
85hhga62s223 – Free $40 Credit.
*** Payment methods: Paypal & all major Credit Cards.
If you didn't know where to redeem the above coupons, you could contact their support for asking. And, you can also get more other promotions on our digitalocean codes page.
Hope this helps :).