Register for a new account

Join us on Green Piranhas and you will earn 500 community points for registering! Community points can be redeemed, at certain intervals, for gift cards through our Community Reward Program.

Only your username, and other information you designate on your profile, will be displayed publicly.

*required information

(Your password must be at least 6 characters in length, include both upper and lowercase letters, and contain at least one number.)

Mailing address (gift cards earned under the Reward Program will be mailed to this address)

Answer any 5 of the following demographic questions and earn 500 community points, or answer all 7 questions and earn 1000 community points! (optional)


Community Reward Program

To thank you for contributing qualifying purchase documents, along with valuable information and insights, to help other consumers make smart buying decisions, Green Piranhas has developed a Community Reward Program. As a registered user, you will earn points for participating which can be redeemed for gift cards. Additionally, posting qualifying purchase documents will make you eligible to win daily prizes.

Here‘s how it works…

The Point System:

  • For becoming a registered user, you will earn a one-time award of 500 points.
  • If you answer at least 5, but less than 7 demographic questions during registration, you will earn a one-time award of 500 points. Or, if you answer all 7 demographic questions, you will earn a one-time award of 1000 points.
  • For every qualifying invoice you post, you will earn 100 points.
  • For each qualifying receipt you post, you will earn 50 points.
  • If you refer friends and family, you will earn 1000 points for each one who registers, enters your referral code, and posts at least one qualifying invoice or receipt.
  • Every 5000 points you earn can be redeemed for a $10 gift card from a leading merchant.

There is no limit to the number of points you can earn and your points will never expire. So the more you contribute, and post valuable information to help fellow consumers, the more points and rewards you will earn!

Green Piranhas is running a special promotion, through 8/31/15, offering 5X Points for Qualifying Invoices. Check the following table to see how quickly you will earn a reward!

Sample Points Calculator Invoices   Receipts Reward
Base Program50or100$10 gift card
2X Points Program25or50$10 gift card
3X Points Program17or34$10 gift card
4X Points Program13or25$10 gift card
5X Points Program10or20$10 gift card



By participating in this fun and informative program, you can gain recognition among your peers.

For those who enjoy the thrill of competition, Green Piranhas will track all life-time points earned by registered users and showcase the current top 5 earners on our Leaderboard, as shown on the homepage.

So, you can be a standout among our vibrant community of users!

Qualifying Purchase Documents:

A qualifying purchase document will be defined as outlined below:

  • The file uploaded must be an image of an original purchase invoice or receipt, provided to the registered user by the vendor at the point-of-sale. An invoice shall be defined as a purchase document clearly pre-printed with the word "Invoice." All other purchase documents will be considered receipts.
  • The scan or photograph submitted must be clear, legible and capture the entire purchase document, which must include a pre-printed transaction date, machine-printed vendor name, address and phone number, an itemized description of the products and/or services purchased, and detailed pricing information.
  • All purchase documents must display a pre-printed transaction date. For an invoice to qualify, the transaction date must be within 2 years of the date the invoice is posted to the Website. For a receipt to qualify, the transaction date must be within 30 days of the date the receipt is posted to the Website.
  • Invoices must be for a total purchase price of $75 or more to qualify, and receipts must be for a total purchase price of $10 or more to qualify.
  • For each purchase document posted, the registered user will be required to enter limited information about the transaction. For qualifying invoices, the registered user will also be required to answer a few brief questions about the buying experience, and will be given the opportunity to provide an optional review of the vendor.
  • Charge card slips, listing payment information, but not itemizing the purchase information, as outlined above, will not qualify for points or rewards.
  • Statements, listing balances and payments, but not itemizing the purchase information, as outlined above, will not qualify for points or rewards.
  • Only purchase documents which fall into certain categories, as outlined below, will qualify for points and rewards:
    Invoices for:Automotive -Leasing & financing
     Maintenance & repair
     Purchase - new vehicle
     Purchase - used vehicle
     Household -General maintenance
      Home improvement
      Landscaping services
     Health Care -Assisted living
      Clinic & hospital visits
      Cosmetic procedures
      Dentist visits
      Doctor visits
      Hearing & audiology
      Major tests
      Outpatient procedures
      Physical therapy
      Veterinarian services
      Vision care
    Receipts for:Automotive
     Health Care

Green Piranhas, at its sole discretion, will have the right to determine if purchase documents submitted meet the criteria outlined above and qualify for points and rewards.

Program Tracking and Reward Redemption:

You can easily monitor your reward program status, including contributions, point awards, reward redemptions, current point totals, and lifetime points earned, by visiting the Reward Tracking on your account.

You will be notified when your current point total reaches or exceeds 5000 points, making you eligible for a $10 gift card. To redeem points, simply visit Reward Tracking on your account and select Redeem Points Now. You will then be shown the gift card options available, which may change periodically, and currently include popular choices such as Gift Cards(1), Shell Gift Cards(2), SUBWAY® Cards(3) and Target GiftCards(4). Then, once you make a selection and redeem your points, the gift card will be mailed to the address currently shown on your personal profile within 30 days.

If a qualifying purchase document you posted, or mail-in entry you submitted, is selected as a Random Daily Winner, as outlined above, you will receive notification by mail, telephone or email, and a $25 Shell Gift Card(2) will be mailed to the address currently shown on your personal profile, or listed on your mail-in entry, within 30 days.

So, get registered and start posting qualifying documents today. We have stacks of gift cards on hand and want to mail one to you!

(1) is not a sponsor of this promotion. Except as required by law, Gift Cards ("GCs") cannot be transferred for value or redeemed for cash. GCs may be used only for purchases of eligible goods on or certain of its affiliated websites. For complete terms and conditions, see GCs are issued by ACI Gift Cards, Inc., a Washington corporation. ©,®, Inc. and/or its affiliates, 2012. No expiration date or service fees.

(2) The Shell Gift Card can be used only for purchases of goods and services at Shell locations in the U.S., except territories. The Card cannot be redeemed for cash and no change will be given, except in states that require redemption for cash. Shell Oil Products U.S. and its related companies are not sponsors or co-sponsors of this promotion. If card balance falls below one dollar, pay at the pump may not be available, in which case contact station cashier to access balance or call the number printed on the card for assistance.

(3) SUBWAY® is a registered trademark of Doctor‘s Associates, Inc. and is not a sponsor or co-sponsor of this program. Not liable for actual or alleged claims related to this offer. Use of the SUBWAY® logos or word-marks must be approved prior to use. Terms and conditions of the SUBWAY® Card apply and can be found at

(4) The Bullseye Design, Target and Target GiftCards® are registered trademarks of Target Brands, Inc. Terms and conditions are applied to gift cards. Target is not a participating partner or sponsor of this offer.