(last updated: 4/17/2026)

Helios Marketplace Integrity & Anti-Fraud Policy

Helios Policy Center

Last updated: 4/17/2026

Marketplace Integrity & Anti-Fraud Policy

Helios is committed to maintaining an honest, trustworthy, and secure marketplace. This policy explains the standards Helios uses to protect users, transactions, listings, trust signals, and payment-related activity from fraud, deception, manipulation, and abuse.

This policy applies to all users of Helios, including experts, companies, students, vendors, suppliers, associations, partners, customers, and any other person or entity that uses the Platform.

How this policy works with other Helios policies

This policy should be read together with the Helios Terms of Service, Trust & Safety Policy, Code of Conduct, Payments, Payouts, Refunds, and Transactions Policy, Seller, Expert, and Vendor Payout Terms, Refund and Cancellation Policy, Privacy Policy, and any category-specific rules published by Helios.

Payment-provider and compliance controls

Helios may take action under this policy to comply with payment processor and financial service provider requirements, including Stripe, Inc. and its affiliates, and to protect the Platform, users, and marketplace transactions from fraud, abuse, prohibited activity, or compliance risk.

Policy Overview

This user-friendly version organizes the Marketplace Integrity & Anti-Fraud Policy into collapsible sections so users can quickly understand what is prohibited, how Helios reviews fraud risk, and what actions may be taken when marketplace integrity is at risk.

Protect usersPrevent fraud, deception, payment abuse, and marketplace manipulation.
Preserve trustKeep listings, profiles, reviews, transactions, and payout activity genuine.
Require honestyExpect accurate identity, credentials, delivery evidence, and transaction records.
Support enforcementAllow review, temporary controls, and account actions when fraud risk appears.

Typical Anti-Fraud Review Journey

1Signal

A report, payment flag, suspicious listing, dispute, or behavior pattern suggests risk.

2Review

Helios may review account, listing, file, message, verification, and transaction evidence.

3Control

Temporary controls may be applied to protect users and preserve evidence.

4Decision

Helios may clear the issue, request correction, restrict activity, or enforce policy.

5Follow-up

Users may be asked for verification, records, corrective action, or appeal materials.

Anti-Fraud Standards

01PurposeWhat this policy is designed to protect.+

The purpose of this Policy is to:

  • Protect users from fraud, deception, payment abuse, and marketplace manipulation
  • Preserve trust in listings, profiles, reviews, transactions, and payout activity
  • Support fair, documented, and legitimate marketplace transactions
  • Reduce legal, financial, operational, and reputational risk to users and Helios
  • Establish standards for identifying, reviewing, and enforcing against dishonest conduct
Practical guidance
Use this policy as the primary rule set for suspicious marketplace behavior, fake activity, payment misuse, deception, and abuse of Helios trust signals.
02General Duty of HonestyUsers must act honestly, accurately, and in good faith.+

Users must act honestly, accurately, and in good faith when using Helios.

You may not mislead Helios or other users about:

  • Your identity
  • Your qualifications or experience
  • Your business status
  • Your certifications or licenses
  • Your pricing, delivery capacity, or performance history
  • The quality, origin, legality, or compliance status of goods or services
  • The status of work, milestones, delivery, or acceptance
  • The existence of genuine buyer demand, reviews, references, or transaction history
Examples
Misleading experienceA provider claims 20 years of aerospace machining experience but has no such background and uses fabricated project details to win work.
False delivery capacityA shop advertises same-week fulfillment while knowing it does not have available machines, staff, or materials.
Practical guidance
Represent only what you can actually verify. If a claim depends on a subcontractor, certification, timeline, or outside condition, state that clearly.
03Identity Fraud and MisrepresentationIdentity, credential, verification, and account authenticity rules.+

Users may not engage in identity fraud or deceptive identity-related conduct.

This includes, without limitation:

  • Impersonating another person, company, organization, or brand
  • Using fake names or misleading aliases to conceal identity in a deceptive or harmful way
  • Creating fake accounts or coordinated accounts for abuse
  • Falsifying qualifications, certifications, work history, manufacturing capability, or business credentials
  • Forging or altering identity, tax, payout, banking, or verification documents
  • Using stolen, borrowed, or unauthorized credentials or business information
  • Concealing material facts that would make a profile, listing, or transaction misleading

Helios may require identity, business, tax, banking, or beneficial ownership verification and may delay, limit, or deny account access, payouts, or transaction functionality where verification is incomplete or cannot be confirmed.

Examples
Company impersonationA user creates a profile using a known supplier’s logo and address without authorization to appear legitimate.
Altered verification recordA seller edits a certificate or tax document before submitting it for verification.
Practical guidance
Use your legal or authorized business identity, keep documents current, and do not borrow another person’s or company’s credentials.
04Listing Fraud and Marketplace DeceptionRules against fake, deceptive, or misleading listings and offers.+

Users may not create, publish, or maintain deceptive listings, offers, or opportunities.

This includes, without limitation:

  • Fake listings or fake opportunities
  • Listings for goods or services the user is not actually authorized or able to provide
  • Misleading descriptions of technical capability, certifications, sourcing, compliance status, lead time, or quality control
  • Bait-and-switch offers
  • False urgency, fabricated scarcity, or manufactured demand
  • Fake inquiries, fake buyer interest, or coordinated demand inflation
  • Misleading images, documents, specs, or supporting materials
  • False claims regarding testing, inspection, traceability, materials, or approvals

Providers are responsible for ensuring that their listings and related communications are accurate, lawful, and not misleading.

Users may not use AI-generated content to misrepresent qualifications, experience, portfolio work, certifications, or manufacturing capability. AI-assisted content is permitted but must accurately reflect the user's actual capabilities and must not create a misleading impression of expertise, credentials, or past work that the user does not genuinely possess.

Examples
Bait-and-switchA vendor lists a certified part at one price, then pushes buyers to a different non-certified product after payment discussion begins.
AI portfolio misrepresentationA consultant posts AI-generated factory images and claims they show completed client projects.
Practical guidance
Listings should reflect real capabilities, real availability, accurate lead times, and claims you can support with records if Helios asks.
05Review, Reputation, and Trust Signal ManipulationReviews, endorsements, ratings, references, and reputation must be genuine.+

Trust signals on Helios must be genuine.

Users may not:

  • Post fake reviews, testimonials, or endorsements
  • Solicit or exchange dishonest reviews
  • Create fake transactions to generate positive reputation
  • Coordinate review manipulation
  • Retaliate against users for honest feedback
  • Post extortionate or coercive reviews
  • Misrepresent the source or authenticity of references, ratings, or project history

Helios may remove or discount reviews, references, endorsements, or ratings that appear fraudulent, irrelevant, abusive, retaliatory, or inconsistent with platform integrity.

Helios will not remove a review solely on the basis of a Provider complaint where the review appears genuine and its content does not independently violate Platform rules. Providers who file repetitive or baseless review-removal requests may themselves be subject to enforcement action under this Policy.

Examples
Fake reputationA provider creates multiple buyer accounts to leave positive reviews after sham transactions.
Coercive reviewA user threatens to leave a damaging review unless the other party gives an unrelated discount.
Practical guidance
Ask for honest feedback, not favorable feedback. Do not offer payment, discounts, or pressure in exchange for a specific rating.
06Payment Fraud and Financial AbuseStolen payment methods, chargeback abuse, payout fraud, and non-genuine transactions.+

Where Helios uses Stripe or other third-party payment providers, Helios may delay, freeze, reverse, deny, or review transactions or payouts as reasonably necessary to respond to fraud signals, chargeback risk, reserve requirements, compliance obligations, or provider-imposed restrictions.

Prohibited conduct includes, without limitation:

  • Using stolen payment methods
  • Using unauthorized bank accounts or payout details
  • Submitting false tax, payout, or banking information
  • Engaging in chargeback abuse
  • Making bad-faith refund demands after receiving the agreed value
  • Creating sham transactions or circular payments
  • Inflating transaction volume artificially
  • Using Helios for payment laundering or transactions without a genuine underlying product or service
  • Falsifying proof of payment, proof of work, delivery status, milestone completion, acceptance, attendance, or transaction support materials
  • Attempting to bypass transaction reviews, holds, reserves, payout delays, or fraud controls
Examples
Chargeback abuseA buyer receives completed CAD review work, confirms receipt, then disputes the payment as unauthorized without a legitimate basis.
Circular paymentTwo linked accounts send payments back and forth to inflate transaction history or extract funds.
Practical guidance
Maintain invoices, proof of work, acceptance records, and delivery documentation. Use only authorized payment and payout accounts.
07Off-Platform Transaction CircumventionRules against moving transactions off-platform to avoid safeguards.+

Where Helios requires or expects transactions to occur through the Platform, users may not pressure, induce, or encourage others to move transactions off-platform in order to avoid:

  • Platform fees
  • Payment review
  • Payout controls
  • Refund or dispute processes
  • Taxes or reporting
  • Trust and safety monitoring
  • Recordkeeping or evidence preservation

Helios may consider off-platform payment behavior when evaluating fraud, dispute risk, or marketplace integrity concerns.

Examples
Fee avoidance pressureA provider tells a buyer that work can only continue if payment is sent outside Helios to avoid review.
Evidence avoidanceA seller asks the buyer to move communication and payment elsewhere after a dispute begins.
Practical guidance
Keep required transactions and related communication inside the expected Helios workflow so payment records, dispute review, and safety protections remain available.
08Fraudulent Transaction Evidence and Delivery MisconductFalse records, fake delivery proof, and manipulated transaction evidence.+

Users may not manipulate or fabricate transaction evidence.

This includes, without limitation:

  • False milestone claims
  • Falsified completion records
  • Fabricated delivery confirmations
  • False attendance records for training, consultations, or events
  • Altered invoices, quotations, statements of work, or purchase records
  • Misleading project updates intended to trigger payment or avoid refund responsibility
  • False claims submitted in support tickets, disputes, complaints, or appeals

Providers are responsible for maintaining commercially reasonable records supporting the legitimacy and fulfillment of their offerings.

Examples
False milestone completionA provider marks a fixture design milestone complete but uploads an unrelated file to trigger payment.
Altered invoiceA vendor changes invoice dates or quantities after a dispute to support a false payment claim.
Practical guidance
Keep source files, revision history, acceptance messages, delivery logs, and signed scope documents where appropriate.
09Fraudulent Use of Support, Reporting, and Dispute ChannelsSupport, dispute, and reporting tools must be used honestly.+

Helios’s support, dispute, and reporting tools must be used honestly.

Users may not:

  • File knowingly false reports
  • Submit false fraud claims to gain leverage
  • Weaponize payment disputes, safety reports, or policy complaints against other users
  • Misuse support channels to harass, intimidate, or pressure users
  • Fabricate evidence in refund, chargeback, safety, or moderation matters

Helios may take action against users who abuse dispute systems, safety reporting channels, or support processes.

Examples
False fraud reportA user files a fraud claim only to force a discount after receiving the completed service.
Fabricated screenshotA party edits a message screenshot to make the other user appear to have agreed to different terms.
Practical guidance
Report concerns in good faith and submit original records whenever possible. Do not use reports as leverage in commercial disagreements.
10Platform Manipulation and Coordinated AbuseManipulation of visibility, rankings, referrals, recommendations, or trust signals.+

Users may not manipulate Helios systems, visibility, rankings, recommendations, or trust signals through deceptive means.

This includes, without limitation:

  • Coordinated fake engagement
  • Coordinated fake referrals or demand creation
  • Multi-account abuse
  • Attempts to manipulate search or recommendation placement through deceptive conduct
  • Abuse of promotional systems, incentive systems, or referral programs
  • Evasion of previous enforcement actions through new or related accounts

Helios may investigate linked accounts, unusual behavioral patterns, suspicious transaction clusters, or coordinated activity where platform manipulation is suspected.

Examples
Coordinated engagementA group of linked accounts repeatedly views, saves, refers, or endorses one profile to manipulate ranking signals.
Enforcement evasionA suspended provider creates a new account under a different company name to continue the same activity.
Practical guidance
Grow visibility through legitimate performance, profile completeness, verified experience, and genuine customer activity.
11Cooperation with Reviews and InvestigationsUsers must cooperate honestly with legitimate review requests.+

Helios may review accounts, listings, files, messages, transaction records, verification materials, and related evidence where fraud, deception, or marketplace abuse is suspected.

Users are expected to cooperate honestly and promptly with legitimate requests for:

  • Explanations
  • Supporting records
  • Transaction evidence
  • Verification documentation
  • Business or tax information
  • Proof of authority, ownership, licensing, or fulfillment

Failure to cooperate, refusal to provide relevant information, or submission of false information may itself result in account restrictions or other enforcement action.

Examples
Refusal to verifyA seller with suspicious payout activity refuses to provide requested business ownership documentation.
False explanationA provider gives inconsistent or fabricated delivery explanations during a dispute review.
Practical guidance
Respond promptly, provide complete records, and avoid altering materials after Helios requests evidence.
12Temporary Risk ControlsControls Helios may apply while reviewing fraud or integrity risk.+

To protect users and preserve marketplace integrity during a review, Helios may impose temporary controls such as:

  • Listing pauses
  • Messaging restrictions
  • Feature limitations
  • Transaction holds
  • Payout delays
  • Reserve requirements
  • Visibility reductions
  • Account review status

Temporary controls do not necessarily mean Helios has reached a final conclusion, but they may remain in place until Helios determines that the risk has been resolved.

Practical guidance
Temporary controls are risk-management tools. The fastest path to resolution is usually clear cooperation, documentation, and correction of any inaccurate listing or account information.
13EnforcementActions Helios may take for fraud or integrity violations.+

If Helios reasonably determines that a user, listing, account, or transaction violates this Policy or creates unacceptable fraud or integrity risk, Helios may take one or more of the following actions:

  • Issue a warning
  • Require corrective action
  • Remove or limit listings, reviews, or content
  • Cancel or restrict marketplace activity
  • Reverse, freeze, or deny transactions or payouts where permitted by policy or law
  • Require additional verification or documentation
  • Suspend the account temporarily
  • Terminate the account permanently
  • Block future re-registration
  • Report relevant conduct to payment processors, financial institutions, regulators, or law enforcement where appropriate

Helios may act with or without prior notice where permitted by law and reasonably necessary to protect users, preserve evidence, comply with legal obligations, or satisfy payment-provider requirements.

Practical guidance
Enforcement may be proportional to severity, intent, evidence, user history, payment-provider requirements, and the risk posed to users or the Platform.
15Policy UpdatesHow Helios may update this policy over time.+

Helios may update this Policy from time to time to reflect changes in law, fraud patterns, platform features, payment systems, operational needs, or industry risks.

When we update this Policy, we will post the revised version on the Platform and update the “Last Updated” date above. Continued use of the Platform after the effective date of an updated version constitutes acceptance of the revised Policy, except where additional notice or consent is required by law.

16Contact and ReportingWhere to raise fraud, fake listing, impersonation, payment abuse, or marketplace integrity concerns.+

For fraud, payment abuse, fake listings, impersonation, suspicious transactions, or marketplace integrity concerns, contact Helios through the appropriate support or reporting channel on the Platform.

Recommended evidence to include

Account details, listing links, screenshots, message history, payment or payout details, dates, delivery records, verification documents, and any other records that help Helios review the concern accurately.

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