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Vettly is a hosted moderation decision API for screening text, images, and video, then returning an action your application can apply. Developers can place it in a submission or publishing flow, route flagged items for review, and connect decisions to policy and appeal records. Its documentation does not name an audio moderation endpoint, and vendor claims about accuracy, latency, security, and compliance should be validated against your own requirements before launch.
What Vettly’s API lets a team build
Vettly provides REST endpoints for submitting content to moderation checks. Its API reference documents POST /v1/check for one item, with text, image, and video content types; text is the default. It also documents POST /v1/check/multimodal, which accepts text, an array of images, or a video, plus a policy identifier and optional context. The reference allows up to ten images in the array. See Vettly’s API reference.
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The multimodal route is useful when an application needs to evaluate more than one supported kind of input in a single moderation request. Here, “multimodal” means the documented text, image, and video scope; the reviewed API materials do not identify audio support. Confirm current endpoint behavior and request limits in the API reference before building around them.
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The documented response example includes a decision identifier, safe or flagged indicators, an action, per-item results, latency, and cost. These are fields in an example response, not a promise that a live call will return a particular value, speed, or price in every circumstance.
Where a moderation decision fits in the product flow
A moderation result is an input to your product’s policy—not a complete community-safety design. Decide what each action means in your interface and operations before wiring the endpoint into a live publishing path. Vettly’s product pages describe policy-controlled actions including allow, warn, flag, and block, with category scores and records associated with policy versions. Those are vendor-listed capabilities; test whether their behavior and workflow fit your needs. See Vettly’s product information.
Choose the policy and actions
Define which policy applies to each surface or content type, how category scores affect the result, and which cases require human review. A warning may let a user revise a submission; a flag can send it to a queue; a block can prevent publication. The right mapping depends on the harm you are trying to prevent, the cost of delaying legitimate users, and your appeal process.
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Call moderation before the consequential action
Place the check before content becomes visible or otherwise triggers an irreversible action. Vettly’s Express guide demonstrates installing @vettly/sdk, initializing a client with an API key read from an environment variable, and using route middleware to check a submitted comment before the route’s success handler. The REST reference shows bearer-token authentication. Keep credentials server-side rather than embedding them in browser code. Consult the Vettly developer documentation for current SDK and request details.
Map outcomes to application behavior
Handle each returned action explicitly. An allow can continue the publish flow; warn can return a revision prompt; flag can hold content for a reviewer; block can deny publication and explain the result to the user. Decide what happens when the service errors or times out as well: fail closed, hold for retry, or allow with a later review are different safety and availability trade-offs, and Vettly’s example does not establish a universally correct choice.
Preserve a review and appeal path
Vettly’s product pages list reporting, blocking, appeals, webhooks, searchable decisions, and compliance exports. Treat these as features to confirm in the product and plan you would use, not as independently verified guarantees of completeness or operational quality. Determine who can review a decision, what evidence they see, how users can contest it, and how policy changes are recorded.
Integration sequence before a broad rollout
- Define policy behavior. Select a policy and decide how scores, actions, and uncertain cases map to publication, warning, review, or blocking.
- Submit the right content. Use
POST /v1/checkfor a single supported item orPOST /v1/check/multimodalfor its documented text, image-array, or video input. Include the policy identifier and relevant context where applicable. - Apply the action in your app. Make the publish path, review queue, user warning, and block behavior explicit rather than treating every non-allow result identically.
- Retain a human remedy. Set up reviewer access and an appeal route appropriate to your community, and verify how the decision identifier and policy version can be used to revisit a case.
- Test and monitor. Run representative allowed and harmful content through the complete flow. Measure false positives, missed harmful content, latency, and failure behavior under your own workload before expanding access; keep monitoring after policy changes.
What to verify for performance and quality
The available product and API materials do not establish independent accuracy, false-positive or false-negative rates, uptime, or load-tested latency. Vettly’s examples and speed statements are vendor materials, not independent benchmarks. Build an evaluation set that reflects your language mix, edge cases, content formats, and policy boundaries. Review both what the API catches and what it wrongly escalates or allows, and test how latency and errors affect the surrounding user experience.
If comparing moderation services, use the same representative content and operational assumptions for each. Compare supported modalities, policy customization, review and appeal tools, decision-history retention, data-processing terms, integration effort, measured error rates, latency under expected load, and total cost at your anticipated volume. The documentation reviewed here does not support naming a comparative winner.
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The following are Vettly-published plan terms checked on October 7, 2026. They may change; confirm the live terms before purchase. The vendor’s decision definition, applicable usage limits, retention, and treatment of overages should be checked for the account and workload you expect to run. Source: Vettly pricing.
| Plan or usage | Vendor-listed terms |
|---|---|
| Free | $0; 15,000 decisions per month; 24-hour decision history. |
| Starter | $19 per month; 100,000 decisions per month; one-year decision history. |
| Growth | $49 per month; 300,000 decisions per month; three-year moderation logs. |
| Paid-plan overage, text | $0.0001 per unit. |
| Paid-plan overage, image | $0.001 per unit. |
| Paid-plan overage, video | $0.01 per unit. |
The rates are vendor-listed figures, not a forecast of your bill. Establish how a “decision” and a billable unit are counted for your requests, then estimate cost using your expected volume and mix of text, images, and video.
Data retention, providers, and security due diligence
Vettly’s privacy policy describes content retention by tier: 24 hours on Free, one year on Starter, and three years on Growth. It also says third-party AI providers process submitted content under their own privacy and security policies and contractual terms. The privacy policy and plan terms should be read together, and you should confirm which terms govern your account and configuration.
Vettly’s how-it-works guide broadly says content is processed in memory and not stored after moderation, while its privacy policy and pricing information describe tier-based history periods. Because those statements do not align as a blanket description of retention, use the specific privacy-policy and plan terms for your account and ask Vettly to clarify any conflict that affects your data obligations. See Vettly’s how-it-works guide.
Vettly’s security page describes HTTPS transport, API keys stored as SHA-256 hashes, HMAC-SHA256 webhook signatures, and optional evidence storage in object storage with configurable retention, seven days by default. These are vendor statements, not evidence of a third-party audit or a guarantee that every account uses the same configuration. For sensitive workloads, review the applicable contract, subprocessors, geographic processing, retention settings, and security documentation. The architecture guide names OpenAI Moderation API among providers Vettly uses and describes other providers as planned or custom/enterprise options; confirm the current provider configuration if it affects your data-handling decision. See Vettly’s security information and its architecture and workflow guide.
Is Vettly a fit for your application?
Vettly is worth evaluating if you need a hosted API that returns moderation decisions for documented text, image, and video inputs and want to connect those decisions to your own publishing rules. The practical fit depends on whether its policies and review workflow match your product, whether its data terms meet your obligations, and how it performs on representative content at your expected volume. Validate those points with a controlled integration before relying on it for consequential moderation decisions.
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