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Developer API

Build the future of search with our
GEO / AIO Data API

The Prominence AI API gives brands, agencies, and developers programmatic access to brand visibility data across AI Search and LLMs like ChatGPT, Gemini and Perplexity. Build web apps, integrate data into internal dashboards, and automate reporting workflows.

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RESTful API
Bearer Auth
JSON Responses
api.prominenceai.io
# Get your brand's Share of Answer
curl -H "Authorization: Bearer sk_..." \
  "https://api.prominenceai.io/api/v1/metrics
    ?monitor_id=238
    &models=openai,google
    &include_series=true"

// > { "share_of_answer": { "value": 89.5, "delta": +2.3 } }
Included in all plans

What you can build

From internal dashboards to automated alerts, the Prominence API powers any workflow that needs AI visibility data.

Custom Dashboards

Integrate real-time AI visibility metrics into your existing BI tools and internal dashboards.

Web Apps & Integrations

Build client-facing applications, reporting portals, or integrate with your martech stack.

Automated Workflows

Schedule reports, set up visibility alerts, and trigger actions based on brand performance changes.

Custom Solutions

We help brands and agencies build bespoke solutions on top of Prominence data: custom dashboards, internal applications, competitive intelligence tools, and more. Our team works with yours to design and deliver exactly what you need.

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Data as a Service

Need raw data feeds without building the integration? We offer Data as a Service: scheduled exports, custom data pipelines, and tailored datasets for your specific brand intelligence needs.

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Developer Support

Frequently Asked Questions

Everything you need to know about building with our GEO & AI Search API.

General

The Prominence AI API gives developers and agencies programmatic access to brand visibility data across AI search engines and LLMs: ChatGPT, Gemini, Perplexity, and others. You can pull metrics like Share of Answer, LLM Visibility Index, and Grounding Source data directly into your own applications, dashboards, or automated workflows.
The API is built for two main audiences. Developers who want to integrate AI visibility data into internal tools, BI dashboards, or client-facing applications. And agencies that want to automate reporting, build white-label solutions, or deliver competitive intelligence at scale across multiple brands.
Anything that needs AI visibility data at the core. Common use cases include custom reporting dashboards, automated weekly visibility digests, competitive benchmarking tools, client portals for agencies, and integrations with existing martech stacks.

Data

The API covers three main data sets. The Metrics API returns Share of Answer (SOA), LLM Visibility Index (LVI), and Share of Mentions, broken down by model, prompt segment, and time period. The Benchmark API returns prompt-level competitive overlap data between your brand and rivals, including Venn-style coverage analysis. The Grounding Source Prominence (GSP) API returns the domains LLMs cite when generating responses about your brand, with citation frequency and per-model breakdown.
The API covers the major generative AI engines: OpenAI (ChatGPT), Google (Gemini), and Perplexity. Coverage expands as new models gain meaningful search traffic. You can query which models have data for your specific monitor via the /api/v1/metrics/models endpoint.
Data is collected and updated on a weekly basis. Each weekly dataset is processed throughout Sunday and is generally available by Monday. The current data granularity is weekly, meaning metrics are reported at a week level, not day level. This reflects the cadence at which LLM responses are sampled across models.
No. The API does not provide real-time or live data. Responses reflect the most recently completed weekly snapshot. If your use case requires intraday or daily data, get in touch to discuss what is possible via our Data as a Service offering.

Integration

The API is a standard REST API with Bearer token authentication and JSON responses. If you can make an HTTP request, you can pull data. A basic integration (authenticating, calling /api/v1/metrics, and parsing the response) takes under an hour. More complex setups like automated pipelines or multi-monitor dashboards typically take a day or two depending on your stack.
bash curl -H "Authorization: Bearer YOUR_API_KEY" "https://api.prominenceai.io/api/v1/metrics?monitor_id=238&models=openai,google&include_series=true". That returns your brand's Share of Answer and LVI across OpenAI and Google, with a weekly time series. See the full API documentation for all available parameters and response structures.
Not yet. Currently the API is pull-based: you query it on demand or on a schedule. Webhook support for event-driven workflows (e.g. triggering an alert when SOA drops) is on the roadmap. If this is a hard requirement for your use case, let us know: it helps us prioritize.
There are no usage caps or credit systems. API access is included in all Prominence AI plans at no additional cost, with full access to all endpoints. Rate limits apply to prevent abusive usage, but for standard reporting and dashboard workflows you are unlikely to hit them.
Bearer token authentication. You include your API key in the Authorization header of every request: Authorization: Bearer YOUR_API_KEY. You can find your API key in Settings -> Projects inside your Prominence AI account.

Plans & Access

No. API access is included in all plans: no add-ons, no per-call pricing, no separate API tier. If you have an active Prominence AI subscription, you already have full API access.
See our plans page for current trial and access options. If you are an agency evaluating the API for a specific client use case, reach out directly: we can walk you through what the data looks like for your category before you commit.
Yes. If you need scheduled data feeds or custom pipelines without building the integration yourself, we offer Data as a Service: tailored datasets, scheduled exports, and bespoke data deliveries. Get in touch to discuss your requirements.
Yes, that is one of the core use cases the API is designed for. If you are building something more complex (a white-label reporting platform, a multi-brand intelligence tool), our team can work with you on the architecture. Talk to us about custom solutions.