You have probably seen the word "postcard" in a promotion, a help-centre article, or a terms page and wondered whether it is a physical card, a bonus code, or something else entirely. In the dual-currency social-casino model, the postcard is the mechanism that lets a player obtain the promotional currency without buying anything. It exists because the platform's play-money currency and its promotional currency are legally and mechanically separate, and the postcard is one of the ways the promotional side stays open to people who never spend.
The Two Currencies and Why They Are Kept Apart
Bingo Heaven operates on a dual-currency structure that is standard across this category. One currency is the purchasable play-money coin, often called Gold Coins or a similar name. The other is the promotional currency, commonly called Sweeps Coins or Sweeps Cash. The two are not interchangeable, and only one of them is described as redeemable for prizes.
The reason for the separation is structural. Operators in this category generally position their promotional side under sweepstakes-style rules rather than under a gambling licence. That positioning is contested, and several regulators and courts are testing it. The operator's own terms are the only current answer for how any specific platform applies the model.
Because the promotional currency can be tied to prize redemptions, the operator needs a way for people to obtain it without paying. If the only route to the promotional currency were a purchase, the product would look much closer to a traditional paid game of chance. The postcard is one of the no-purchase entry methods that keeps the promotional side separate from the cashier.
| Feature | Play Currency (Gold Coins) | Promotional Currency (Sweeps Coins) |
|---|---|---|
| How obtained | Purchased in packages, or given as a free bonus with some purchases | Promotional giveaways, social-media drops, or no-purchase methods such as a postal request |
| Cash value | None; play money only | No direct cash value, but may be redeemable for prizes under the operator's terms |
| Redeemable | No | Subject to the operator's redemption rules, verification, and any wagering or eligibility conditions |
| Purpose | Entertainment play without prize redemption | The sweepstakes side of the product |
| Purchase required | Yes, to buy more | No; purchase must not be required, which is why the postcard route exists |
What the Postcard Is
In this model, a postcard is a physical, hand-written request sent by mail to the operator. The player writes the required information on a postcard or index card, stamps it, and sends it to the address published in the operator's sweepstakes rules or terms. In return, the operator credits the promotional currency to the player's account, typically after the request is received and processed.
The postcard is not a code, a coupon, or a hidden bonus. It is a deliberately low-tech entry method. The physical act of writing and mailing a request is what makes it a no-purchase method: the player is spending postage and time, not buying the promotional currency directly.
Class-level rules usually require the request to be handwritten, to include the player's registered email address and account details, and to be sent from the player's own address. Some operators specify a postcard, while others allow a blank index card or piece of paper. Some require one request per envelope, and some limit how many requests a player may send in a given period. None of those specifics should be assumed; the operator's own sweepstakes rules state what this platform accepts.
Why the Postcard Route Exists
The postcard exists because the promotional currency must be obtainable without a purchase. If the operator only gave Sweeps Coins to people who bought Gold Coins, the promotional side would be conditioned on payment. The postcard, along with any other no-purchase methods the operator publishes, is the route that keeps the promotional currency accessible to non-purchasers.
This is also why the postcard is usually described in the same document that sets out the sweepstakes rules. The operator needs a paper trail showing that a person can enter the promotional side without spending. The postcard is that paper trail.
It is not a fast process. The request goes through postal mail, then through whatever verification and crediting process the operator uses. The operator's terms decide how long that takes, how many requests are honoured, and what happens if a request contains an error. The help centre and the sweepstakes rules are the only reliable sources for those details.
How the Postcard Connects to the Games
Once the promotional currency is credited, it can be used to play the same games that the play-money currency can, subject to the operator's game availability. The games themselves are the same server-side random-number products. The currency does not change the odds, the RTP, or the house edge.
Return to Player is a theoretical percentage of total wagered money a game returns to players over a very large number of spins or hands. It is a long-run statistical average, not a per-session guarantee. House edge is the mathematical advantage the operator holds on a given game, expressed as a percentage of each wager. House edge and RTP are complements: they sum to 100% for the same game. A player using postcard-obtained promotional currency faces the same game maths as a player using purchased play currency.
Volatility describes how payouts are distributed over time. High volatility means rarer but larger payouts; low volatility means more frequent but smaller ones. Volatility does not change a game's RTP. None of these terms change because the stake came from a postcard.
What the Postcard Does Not Do
The postcard does not guarantee a prize, a win, or any particular outcome. It does not change the random number generator. A random number generator is the algorithm that determines game outcomes; independent testing laboratories are commonly used to certify RNG behaviour, but that certification covers game mechanics, not an operator's financial conduct. A postcard is an entry method, not a strategy.
The postcard also does not bypass verification. If the promotional currency is redeemed for a prize, the operator will typically require identity verification, and may collect tax information as part of that process. Prizes redeemed for money can carry reporting obligations that depend on the reader's country and state and on their own circumstances. A qualified tax professional or the official tax authority is the right source. This article is not legal or tax advice.
Finally, the postcard is not a way to obtain unlimited promotional currency. Operators set limits, and sending more requests than the rules allow can lead to the requests being rejected or the account being restricted. The operator's terms decide the ceiling.
What to Check Before Sending One
Because the exact steps are set by the operator, the reader should check four things in the operator's own documents before acting. First, the address: the sweepstakes rules or terms page states where requests must be sent. Second, the format: whether the operator requires a postcard, an index card, or another physical medium, and whether the request must be handwritten. Third, the required information: the account email, username, full name, and any other fields the operator lists. Fourth, the limits: how many requests per envelope, per day, per household, or per account the operator allows.
If the operator's help centre does not clearly state these details, the reader should treat the absence as a signal to contact support through the operator's own channel rather than guessing. A request that omits a required field or goes to the wrong address simply does not get credited.
These are entertainment products with random outcomes. Money spent should be money the reader can afford to lose. Deposit and time limits and self-exclusion tools exist, and support is available through the operator's own responsible-play resources.
FAQ
Does the postcard cost anything?
The postcard itself does not cost the operator's currency, but the reader pays for the postcard or card, the stamp, and the time spent writing and mailing it. That is the point: the cost is the reader's own postage and effort, not a purchase from the operator. The operator's rules may also require the request to be sent from the player's own address.
Can I use the postcard to get Gold Coins instead of Sweeps Coins?
No. The postcard route is a no-purchase method for the promotional currency, not for the play-money currency. Gold Coins are the purchasable play currency with no cash value and no redemption route. The operator's terms state which currency a postal request credits, and it is the promotional side that the postcard exists to serve.
How many postcards can I send?
The operator's sweepstakes rules set the limit. Some operators allow one request per envelope, some cap requests per day or per household, and some set a maximum number of promotional-currency credits per period. The only reliable answer is the number printed in the operator's own terms, because limits change and vary by platform.
This article is for informational purposes only and does not constitute legal, tax, or financial advice. Social casino and sweepstakes platforms operate under promotional rules that are contested and vary by jurisdiction. Availability and terms change, sometimes at short notice. Always read the operator's own terms, sweepstakes rules, and help centre before participating. Play responsibly and only spend money you can afford to lose.
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This article is general information about how these mechanics work. It is not legal advice and not a recommendation to gamble or to use any particular operator. Availability and legality differ by jurisdiction — check the rules that apply where you are.