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Capermint

Prediction Market Software Development Company

Custom platforms / US & Canada product teams

Prediction Market Software Development Company

Capermint helps you build your own prediction market platform—from web and mobile UX to trading logic, market operations and handover. Define a first release around your audience, commercial model and launch requirements.

For founders and product teams selecting a development partner. First define the product; then scope the build.

Forecast / product conceptSimulation

Weather market / design concept

Will Station A record above 30°C on the sample day?

42¢illustrative Yes quote
in demo credits
Resolution sourceSpecified station report
Product statesOpen → review → resolved
Control layerRoles, rules & audit trail
Design concept • simulated data • no live orders or funds
Custom software scopeWeb & mobile experienceOperator workflowsWritten acceptance criteria

The service, clearly

One platform.
A defined operating model.

Prediction market software connects event questions, participant forecasts or trades, and a documented way to determine the outcome. A development partner builds the interfaces, business rules and operating systems around that model.

Capermint offers custom prediction market platform development for teams commissioning a distinct product. Start with the intended users, geography, money or points model and first-release boundary. Those decisions shape the engine, wallet or ledger, integrations and launch responsibilities.

For US and Canadian audiences, qualified legal and operational review belongs in discovery. A software build is one part of readiness; authorizations, provider contracts, market rules and liquidity have their own owners.

Suitable briefs include event-contract products, an on-chain prediction market application, a media prediction app and internal enterprise forecasting. Each needs its own eligibility, settlement and operational specification.

Choose the foundation

Start with the model.
Then choose the technology.

An exchange, a blockchain application and an internal forecasting tool have different responsibilities. Choose on product fit and operating requirements, then test the architecture.

Kalshi-style and Polymarket-style describe reference mechanics here. They do not imply affiliation, equivalent authorization or access to either platform’s liquidity.

Centralized event-contract platform

Participant accounts, an operator-controlled ledger and a matching or pricing engine. Define the custody, execution, surveillance and resolution responsibilities before selecting payment rails or launching contracts.

On-chain prediction market

Outcome contracts, wallets, collateral and an oracle or resolution process. Specify chain, token rights, contract controls, fees and dispute paths. Independent security review is a separate, planned dependency.

Free-to-play prediction app

Non-redeemable points, forecasts, competitions and content operations. Review entry mechanics, prizes, redemption and age/location policy; a points-based label alone does not answer every legal question.

Internal enterprise forecasting

Private questions, employee access, scoring and reporting. Prioritize SSO, confidential data, participation policy and forecast evaluation over public trading features the team does not need.

A commissioned scope

Build the product.
Equip the operations team.

These are proposed workstreams, selected and priced in your specification. Not every platform needs every module.

Participant experience

Prediction market app development for a clear first-use journey and visible product states.

  • Discovery, question details, rules and resolution sources.
  • Forecast entry or order tickets, quote and fee previews, positions and outcomes.
  • Accounts, notifications, onboarding and accessible empty, pending and error states.
  • Responsive web; native or cross-platform mobile when the brief requires it.

Market & operator workflows

The tools your team needs to govern the product and resolve exceptions.

  • Question creation, review, publishing, close times and versioned rules.
  • Resolution evidence, disputes, approvals, cancellations and settlement checks.
  • Role permissions, eligibility policy, provider review queues and activity logs.
  • Exports, operational dashboards, customer-support tools and incident workflows.

Engine & integrations

Prediction market software development behind the visible interface.

  • Binary or agreed multi-outcome markets; order book, AMM or forecasting-score logic.
  • Idempotent ledger events, balance reconciliation and documented APIs.
  • Selected identity, payment, custody, data and oracle integrations.
  • Monitoring, deployment configuration, security controls and a reproducible handover.
Put the boundary in writing. Third-party contracts, regulatory advice, audits, liquidity capital and ongoing operations must be assigned. The proposal should identify inclusions, assumptions, exclusions and approval dependencies.

Experience before implementation

Make the trading journey inspectable.

A product team should be able to review the question, quote, ticket and outcome rules together. Try this interface concept.

INTERACTIVE DESIGN CONCEPT · Simulated quotes and demo credits · No accounts, deposits or live trading
Forecast studio

Illustrative event contract

Will the prototype pass its release review?

64¢illustrative Yes quote
in demo credits

Resolution source: Signed acceptance report, with a defined review deadline and cancellation rule.

Preview an order

One successful demo share settles at one demo credit. Prices and fees are illustrative.

100 shares
Demo cost, before fee
64.00 credits
Illustrative fee (2%)
1.28 credits
Cost including fee
65.28 credits
If selected outcome wins
100.00 credits

Choose a market, outcome and quantity.

Question rules are visible before an orderFees appear before confirmationResolution is a defined workflow

The commissioned design scope can cover participant screens, operator review, mobile layouts, notifications and component states. The figures above demonstrate interaction only; they are not Capermint platform performance or market activity.

Capermint concept / simulated workspace

The platform behind the market.

Explore a proposed operator workflow. Move from listing to review to resolution and see how question rules, evidence and responsibility stay connected.

DESIGN CONCEPT · All records and workflow states below are synthetic examples. This is not a deployed client platform.
Market operations
Preview environmentOP

Question lifecycle

One synthetic record · three review states

DEMO–018
Question draft / synthetic recordDraft · needs review

Will the reference station record above the target temperature?

Format
Binary / Yes or No
Close condition
Configured measurement cut-off
Primary evidence
Named station’s daily report
Access policy
Approved audience rules required
Define an answerable questionRecord station identifier, target, unit, measurement window and timezone. Specify missing-data and correction rules before publishing.

Select a workflow state to inspect its rules, evidence and handoff.

Synthetic workspace · local interaction only · no live orders, funds, client data or regulatory approval

The proposed build connects market creation, approved rules, evidence review, dispute handling and settlement records. Your operating policy should assign each decision to a named role. The final specification can add dual approvals, provider exceptions and ledger checks; this concept demonstrates the workflow rather than production performance.

Execution, liquidity & resolution

The engine is a choice.
The responsibilities are essential.

Choose the mechanism with worked trades, failure scenarios and an operational plan. Architecture should follow the brief.

Central limit order book

A CLOB matches compatible bids and offers using specified priority rules. Scope order types, partial fills, cancellation, fee calculations and recovery. Test matching determinism and reconciliation; define how counterparties or market makers will supply activity.

Automated market maker

An AMM quotes from a defined mechanism. Evaluate candidate designs such as LMSR or a collateralized pool against the actual product. Specify slippage, funding, exposure limits, fees and withdrawal behavior; a formula is not a substitute for a liquidity plan.

Liquidity has an owner

Define who funds pools, supplies two-sided orders, monitors spread and bears exposure. Include maker permissions and incentives only when approved. Development can implement those controls; it cannot guarantee active markets, tight spreads or revenue.

Settlement needs a rulebook

Every question needs an observable event, named source, cut-off, timezone and exception rules. Scope evidence capture, review roles, dispute windows, correction and cancellation. External oracles still require documented handling of delayed, conflicting or unavailable outcomes.

An example your team can review

A market needs more than a Yes / No button.

This fictional weather specification shows the decisions to settle before implementation. Refine it against your product and approved operating policy.

Design example only. No market is listed and no funds are accepted.

Question & source
Will reference Station A’s published daily maximum exceed 30°C on the agreed sample day?
Close & outcome
Close at 00:00 UTC on the sample day. Yes if the specified daily maximum is strictly above 30°C; No if it is 30°C or below.
Review & dispute
Capture the named report and propose the outcome. In this example, allow a 24-hour challenge period and require an authorized review of contested evidence before finalization.
Missing or corrected data
Publish the fallback deadline and correction policy in advance. If the source remains unavailable, apply the agreed void/refund rules and reconcile balances.

Considering a hybrid engine? Define routing between execution mechanisms, the balance authority, collateral reservations and settlement reconciliation. Test those boundaries before assuming an order book and liquidity pool can share positions safely.

Access

Eligibility, accounts and approved onboarding policy.

Market rules

Question, source, close time and exception conditions.

Execution

Matching or pricing, fees and balance reservations.

Resolution

Evidence, review, disputes and finalization.

Settlement

Ledger updates, reconciliation and participant history.

Across every stage: role permissions · event logs · monitoring · failure and recovery procedures

Fees belong in the ledger

Trading, subscription or integration fees need visible terms, rounding rules, reversals and reporting. Model how a fee affects the participant before adding it. Forecast revenue from your own operating assumptions; the software does not establish commercial viability.

A stack your team can maintain

Select web and mobile frameworks, backend services, database, messaging and hosting against load, auditability and internal skills. On-chain builds add contract and oracle dependencies. Record the choice and licensed components in an architecture decision log.

Commissioning & delivery

Buy defined milestones.
Review what each one proves.

Use these as proposed delivery checkpoints. Your signed scope should name the outputs and acceptance owner.

  1. Discovery & specification

    Audience, jurisdictions, product model, permissions, integrations, market rules and first-release boundary. Output: a responsibility map and itemized scope.

  2. Design & simulation

    Participant and operator journeys, component states, architecture and worked trade examples. Output: reviewable prototype and validation plan.

  3. Implementation & verification

    Agreed modules, integration environments, review builds, automated checks and independent assessment where required. Output: acceptance evidence and open-issue register.

  4. Handover & controlled release

    Reproducible builds, accounts, runbooks, training and rollout gates. Output: documented ownership, monitoring and a separately agreed support scope.

Example acceptance criteria to refine for your operating model
WorkstreamWhat to verifyInspectable evidence
Execution & balancesMatching or pricing rules, partial fills, rounding, duplicate requests and reserved balances.Deterministic test cases, reconciliation report and recovery replay.
Resolution & disputesClose time, source failure, contested outcome, cancellation and prevention of repeated settlement.Scenario walkthrough, role approvals and ledger-event audit trail.
Security & resilienceAccess boundaries, dependency risks, load assumptions, backup recovery and incident response.Assessment scope, findings register, load results and restore exercise.
Product & handoverPhone/tablet/desktop flows, keyboard use, error states, builds and owner access.Review checklist, source repository, deployment instructions and account inventory.

Cost & timeline drivers

A useful estimate begins with your release boundary.

Prediction market development cost depends on what is being commissioned. Separate a simulation prototype, production first release and later expansion; they answer different questions.

A proposal should show milestone pricing, dependencies, review time and recurring costs. Provider onboarding, independent audits, legal reviews and app-store decisions can affect the schedule.

  • Market mechanicsBinary or multi-outcome formats; CLOB, AMM or forecasting scores; limits and exceptions.
  • Product surfacesWeb, iOS/Android, operator tools, localization and accessibility requirements.
  • Money & identityPoints or assets; ledger/custody design; provider access and eligibility workflows.
  • Production assuranceLoad, security assessment, smart-contract review, resilience and acceptance evidence.
  • Operations & supportHosting, monitoring, data feeds, oracle fees, maintenance and response responsibilities.

Custom build or licensed base? Custom work offers a defined product and ownership arrangement. A white-label base requires license, source-access, upgrade and integration due diligence. Request a functioning demo and an exit plan before assuming it is faster or cheaper.

Scope your first release

Adjacent platform delivery

GamerPro

Inspect client-reported platform development work. Evaluate the contribution before applying it to a new product category.

Delivery evidence, with boundaries

Review the work.
Ask what transfers.

In an April 23, 2024 Clutch review, Gary Sonyak, CEO & Founder of GamerPro Ltd, described Capermint’s work on a customizable Android/iOS multi-gaming platform and connections with gambling operators. He reported progress on the gaming engine, interface and integrations; the engagement was ongoing at the review date.

Source: client-submitted review, “Multi-Gaming Platform Dev for Mobile & Online Gambling Co.” This is the client’s account of an adjacent platform workstream.

GamerPro provides adjacent multi-gaming platform evidence. For your prediction market brief, request a separate architecture review, technical walkthrough and project-specific references.

Explore Capermint’s project library ↗
Read attributable client reviews on Clutch ↗

Launch qualification

Define the operating rules.
Build the controls to match.

For US and Canadian products, the details of the model matter. Obtain qualified advice before committing to public trading or money movement.

Eligibility & jurisdiction

Document target locations, participant restrictions, contract types, assets and operating activities with counsel. Different models can involve different regulators, providers and requirements; a “clone” or “compliance-ready” label is insufficient.

  • Implement approved access rules and evidence retention.
  • Define identity checks, sanctions screening and review roles where applicable.
  • Verify restrictions with the actual providers and product configuration.

Current source context: the CFTC’s September 2026 mention-market advisory addresses manipulation risks. Canada’s August 2026 CSA/CIRO guidance addresses sports and entertainment event contracts. Classification is not permission to operate; have counsel assess your specific product and distribution route.

Security & external dependencies

Use a risk-based scope for access controls, secrets, transaction integrity, monitoring and recovery. Independent penetration tests or smart-contract audits must name the assessor, coverage and outstanding findings.

  • Record payment, identity, custody, oracle and data contracts.
  • Plan pauses, incident roles and provider-failure fallbacks.
  • Separate development completion from approval to operate.

Primary guidance: CSA/CIRO event-contract guidance. Product-specific legal review remains an external dependency.

Ownership & continuity

Plan the handover before the build starts.

The contract should leave your team able to maintain the product, change providers and assess subsequent work.

A documented delivery arrangement

Specify commissioned IP, pre-existing components, dependency licenses and source access. Include repositories, design files, API documentation, deployment configuration, test evidence and account ownership in handover.

Agree support coverage separately: incident severity, response windows, patching, monitoring, change requests and exclusions. External vendor response and production uptime should not be promised without a defined operating agreement.

Questions before commissioning

Answers for the team buying the build.

What does a prediction market software development company build?

It builds the product and operating software around event forecasts or outcome contracts: participant interfaces, market creation, order execution or scoring, balances, resolution, reporting and administration. For a custom engagement, Capermint proposes an agreed specification, implementation, validation and handover. The operating model and permitted audience must be decided before money movement is included.

Can you build a platform with Polymarket-style or Kalshi-style mechanics?

We can scope comparable functional patterns such as binary outcome contracts, an order book, wallet onboarding or an evidence-based resolution workflow. A similar interface or engine does not reproduce a platform’s authorization, liquidity, integrations or operating rights. Each reference is a design comparison; Capermint is not affiliated with either platform.

Should we choose an order book or an automated market maker?

An order book matches compatible bids and offers and needs a credible plan for two-sided trading. An automated market maker quotes through a pricing rule and requires funded liquidity and exposure controls. The right choice depends on market activity, trade sizes, collateral, operator responsibilities and the proposed launch model. Compare both with worked examples before choosing.

Can we start with a free-to-play prediction app?

Yes. A discovery brief can define a prediction app using non-redeemable points, forecasting scores, leagues and an administration console. Prizes, paid entry, redemption and virtual items with value change the analysis. Your advisers should review the actual mechanics and audience; the free-to-play label alone does not settle eligibility.

Can we use white-label prediction market software instead of a custom build?

An existing licensed base can be evaluated against your engine, interface, integration and ownership requirements. The engagement can cover custom development or a defined extension of that base. Request a working demonstration, license terms, source access, upgrade policy, integration limits and references before committing to white-label prediction market software.

How much does custom prediction market software development cost?

Cost follows the agreed scope: market formats, matching or pricing logic, web and mobile interfaces, ledger and custody design, outside integrations, audit requirements and expected load. A proposal should separate development, third-party fees, independent reviews and ongoing operations. A meaningful estimate requires these decisions rather than a generic platform price.

How long does it take to build a prediction market platform?

Timing depends on specification readiness, integration access, review requirements and the first-release boundary. Design and a simulation prototype can be separated from production engineering. A delivery plan should name dependencies, review checkpoints and acceptance criteria. Regulatory, provider and app-store approvals have separate timelines and cannot be guaranteed by a development schedule.

Does hiring a developer make a prediction market legal in the US or Canada?

No. Product structure, contract types, location, user eligibility and operating activities affect the legal analysis. Qualified counsel should establish the applicable requirements and approvals for your business. Software controls, KYC integrations and geofencing can implement that approved policy; they do not grant authorization to operate.

Who supplies liquidity and resolves disputed markets?

The proposal must name these responsibilities. Liquidity may come from contracted market makers, funded pools or participant orders; software cannot guarantee it. Resolution needs a named evidence source, rulebook, review roles and dispute procedure. Outside oracle and data services should have documented responsibilities, costs and failure paths.

Will we own the source code and production accounts?

Ownership, pre-existing components and licensed dependencies must be written into the contract. Request repository access, build instructions, architecture documents, deployment configuration and an account inventory. Hosting, stores and provider accounts should be assigned to the agreed owner. Handover and access revocation should be explicit acceptance items.

Can you take over an unfinished prediction market app?

A paid or otherwise agreed technical assessment can be scoped before takeover. It should inspect the repository, build reproducibility, architecture, licensing, balances, access controls and open defects. The assessment determines what can be retained, what needs replacement and which production risks must be closed before a relaunch.

What should we send to request a proposal?

Send your intended audience and jurisdictions, the money or points model, market formats, target interfaces, existing assets, desired first release and integration assumptions. Include the budget envelope, procurement process and target decision date. An early brief can leave questions open as long as responsibilities and assumptions are recorded.

Shared vocabulary

The terms your specification should define.

Event contract
A contract whose outcome follows specified event conditions. Rights, settlement and restrictions depend on its actual design.
CLOB
A central limit order book that matches compatible orders according to documented priority and execution rules.
AMM
An automated market maker using a specified pricing mechanism and an explicit liquidity or funding arrangement.
Oracle
A system or service supplying outcome information. Its dispute, delay and failure handling must be specified.
Collateral
Assets or reserves supporting obligations under the defined market model; custody and redemption rules matter.
Resolution
The determination of a market’s outcome from its published rules, evidence and review process.

Your next product decision

Bring the brief.
Leave with a clearer scope.

Tell us what your prediction market should do, who it serves and what you want to commission first.

  • Target users, locations and money or points model.
  • Web/mobile surfaces and market formats.
  • Existing design, code and integration assumptions.
  • Budget envelope, decision date and release priorities.

New game projects · worldwide

Tell us what you’re building.

Share the idea, audience and ambition. We’ll reply with a practical view of scope, team shape, technology and the smartest first milestone.

01 / Scope

A useful first response

Clear assumptions, open questions and the right place to begin.

02 / Team

The right production shape

Full-cycle, co-development or dedicated specialists—built around ownership.

03 / Next move

A practical first milestone

Prototype, technical discovery or production planning—not a generic sales pitch.

  • NDA available
  • Reply within 12 hours
  • Global delivery

Project brief / secure enquiry

Start with the playable idea.

Reply in 12h

Secure enquiry · NDA-first · No obligation