Ranked · AI visibility monitoring

The 32 best AI visibility monitoring tools with an API (2026)

The best AI visibility monitoring tools with an API in October 2026 are Wellows, SerpApi and Proofsource. Wellows is the pick for growing agencies adding a white-label GEO service line.

Updated 26 October 2026

32 ranked · each checked against its own site 2 September–25 October 2026 · AI answer check 12 October, next in November

Reviewed by the CitedIndex editorial team.

The ranking

Wellows
SerpApi
ProofsourceVerified owner
BotScopeVerified owner
DeepSmith

All picks at a glance

#	Tool	Best for	Starts at
1	Wellows	Growing agencies adding a white-label GEO service line	From $29/month
2	SerpApi	Developers building their own AI answer and SERP tracking on raw structured data	Free, then $25/month
3	ProofsourceVerified owner	A REST API returning visibility, citations and sentiment as JSON	From $9/month
4	BotScopeVerified owner	A versioned read-only REST API is included on all paid plans at 120 requests per minute	From $29/month
5	DeepSmith	Content and marketing teams that track AI answers and publish the articles to win them	From $99/month

Checked between 2 September 2026 and 25 October 2026. “About” figures are converted at the European Central Bank rate of 26 October 2026.

All 32 in the ranking

About this list

32 of 113 AI visibility monitoring tools match “API”. Of the rest: 61 on some plans only, 8 no, 12 unknown.

How the AI visibility monitoring tools matching “API” differ: 24 of 32 also match “MCP server”, against 24 of 81 in the rest of the category.

32 tools, ranked. How we rank

This spot is open
Featured tools sit here and lead their category page.
Get featured
Editor’s pick
#1
Wellows
Best forgrowing agencies adding a white-label GEO service line
Price
From $29/month · source
API: Yes — Agencies can create project-level API keys and pull structured visibility data into internal tools.“Agencies often need AI visibility data outside the platform. The Wellows API makes it possible to pull structured visibility insights into internal tools, custom dashboards, and client reporting systems.”API feature page, introductory API explanation · checked 2026-10-23
Visit Wellows ↗Read the review →Compare Wellows
#2
SerpApi
Best fordevelopers building their own AI answer and SERP tracking on raw structured data
Price
Free, then $25/month · source
API: Yes — The API is the entire product: one documented GET endpoint with an engine parameter, available on the Free plan upward, with official client libraries in eleven languages and a CLI.“Install the library for your language and use your API key to start searching”Getting Started section · checked 2026-10-20
Visit SerpApi ↗Read the review →Compare SerpApi
#3
ProofsourceVerified owner
Best forA REST API returning visibility, citations and sentiment as JSON with customer-held keys is listed as included on every column, free trial included.
Price
From $9/month · source
API: Yes — A REST API returning visibility, citations and sentiment as JSON with customer-held keys is listed as included on every column, free trial included.“REST APIVisibility, citations and sentiment as JSON, with your own keys.”Feature comparison table, 'Team and data' section, 'REST API' row · checked 2026-10-13
Visit Proofsource ↗Read the review →Compare Proofsource
#4
BotScopeVerified owner
Best forA versioned read-only REST API is included on all paid plans at 120 requests per minute, but not on the trial.
Price
From $29/month · source
API: Yes — A versioned read-only REST API is included on all paid plans at 120 requests per minute, but not on the trial.“Included on all paid plans. Rate limit: 120 requests/minute per key.”AT A GLANCE list · checked 2026-10-12
Visit BotScope ↗Read the review →Compare BotScope
#5
DeepSmith
Best forcontent and marketing teams that track AI answers and publish the articles to win them
Price
From $99/month · source
API: Yes — Raw visibility data can be pulled out by CSV or API on every tier including entry Pro, and webhooks are listed alongside it for custom automations.“Export raw visibility data via CSV / API.”Comparison table, 'Data export' row, checked on all four plans · checked 2026-10-18
Visit DeepSmith ↗Read the review →Compare DeepSmith

Ranked 6 to 32

#	Tool	Price	Actions
6	EpovestVerified owner A REST API v1 is included with every account at no extra cost From $0.10/check	From $0.10/check	Visit ↗Compare Epovest
7	ElmoVerified owner Technical marketing and SEO leads who want auditable AI visibility data, plus developers Free, then $29/month	Free, then $29/month	Visit ↗Compare Elmo
8	DistribbVerified owner SaaS founders, agencies, and developer-led growth teams who don't want to run SEO, content writing From $97/month	From $97/month	Visit ↗Compare Distribb
9	Rankability Agencies and content teams needing all-in-one content creation, optimization From $99/month	From $99/month	Visit ↗Compare Rankability
10	Keyword.com AI Visibility Agencies tracking Google rankings and AI-engine brand mentions From $4/month	From $4/month	Visit ↗Compare Keyword.com AI Visibility
11	Rankfender Marketing teams that want broad LLM tracking bundled From $89/month	From $89/month	Visit ↗Compare Rankfender
12	Cognizo Marketing teams and agencies that want AI-visibility monitoring bundled with real content production From $499/month	From $499/month	Visit ↗Compare Cognizo
13	Omnia API Access is ticked in all three columns of the comparison table and a REST reference is published From about $88/month	From about $88/month	Visit ↗Compare Omnia
14	AI Sightline A team that wants a free, low-friction first look at AI answer visibility Free, then $29.95/month	Free, then $29.95/month	Visit ↗Compare AI Sightline
15	Ahrefs Brand Radar An SEO lead already on a paid Ahrefs plan From about $52/month	From about $52/month	Visit ↗Compare Ahrefs Brand Radar
16	RadarKit Small marketing teams and solo SEO practitioners From $29/month	From $29/month	Visit ↗Compare RadarKit
17	geoSurge Technical SEO and AI teams who want free BYOK access to brand-visibility data across ChatGPT, Claude Free	Free	Visit ↗Compare geoSurge
18	Rank Prompt A solo marketer or developer who wants one dashboard across ChatGPT, Perplexity, Google AI Mode Free, then $49/month	Free, then $49/month	Visit ↗Compare Rank Prompt
19	LLMrefs A documented bearer-token REST API covers organizations, projects and keywords From about $88/month	From about $88/month	Visit ↗Compare LLMrefs
20	Rankshift A REST API with per-project bearer tokens is listed on all three self-serve plans From about $86/month	From about $86/month	Visit ↗Compare Rankshift
21	Searchable Agencies and brands that want AI visibility tracking, technical AI-crawler audits From $125/month	From $125/month	Visit ↗Compare Searchable
22	AI Search Watcher Teams already using or considering Mangools' KWFinder/SERPWatcher suite Free, then about $55/month	Free, then about $55/month	Visit ↗Compare AI Search Watcher
23	Canonry Developer-led or privacy-conscious teams and agencies that want a free Free	Free	Visit ↗Compare Canonry
24	RankLens Brands and agencies that want free, broad-engine AI-visibility tracking Free	Free	Visit ↗Compare RankLens
25	Sleepwalker AI Developers and AI-agent-building teams From about $5.59/month	From about $5.59/month	Visit ↗Compare Sleepwalker AI
26	auto-geo Developer-led teams or solo marketers Free	Free	Visit ↗Compare auto-geo
27	BrightEdge Enterprise SEO teams tracking rankings and AI search visibility across markets On quote	On quote	Visit ↗Compare BrightEdge
28	FraseVerified owner Content and SEO teams or agencies that want one subscription covering content briefs From $49/month	From $49/month	Visit ↗Compare Frase
29	Morningscore Small agencies and small-to-midsize marketing teams From $69/month	From $69/month	Visit ↗Compare Morningscore
30	Promptwatch Marketing teams and brands that already run traditional SEO From $95/month	From $95/month	Visit ↗Compare Promptwatch
31	SE Visible Small agencies or SEO teams already on SE Ranking From $99/month	From $99/month	Visit ↗Compare SE Visible
32	Writesonic Marketing teams and brands that already run SEO/content operations From $99/month	From $99/month	Visit ↗Compare Writesonic

Side by side

Every field, side by side

Scroll sideways to see them all.

Feature	Wellows	SerpApi	ProofsourceVerified owner	BotScopeVerified owner	DeepSmith	EpovestVerified owner	ElmoVerified owner	DistribbVerified owner	Rankability	Keyword.com AI Visibility	Rankfender	Cognizo	Omnia	AI Sightline	Ahrefs Brand Radar	RadarKit	geoSurge	Rank Prompt	LLMrefs	Rankshift	Searchable	AI Search Watcher	Canonry	RankLens	Sleepwalker AI	auto-geo	BrightEdge	FraseVerified owner	Morningscore	Promptwatch	SE Visible	Writesonic
Description	AI visibility platform for tracking citations and improving brand presence in AI answers.	Real-time JSON API for search engine results, including Google AI Overviews, AI Mode and Gemini answers.	Tracks whether AI answer engines name your brand, who they name instead, and what to change.	Daily AI visibility tracking across five answer engines, scored in four layers (L1-L4).	AI search visibility tracking plus a multi-stage pipeline that writes and publishes the content.	Prepaid AI visibility platform that asks your prompts to six engines and archives every answer.	Open-source AI visibility tracker, self-hosted free or managed cloud from $29/mo.	AI SEO agent that researches, writes and publishes content, earns backlinks and tracks AI-engine citations.	AI search visibility tracking, site auditing and content optimisation for marketing agencies.	AI visibility tracking from a rank tracker: brand mentions, citations, sentiment and competitors in AI answers.	AI visibility monitoring across seven AI systems with an article pipeline that publishes to your CMS.	AEO platform tracking brand visibility in AI answers, with content generation and auto-publishing.	AI visibility tracking with an agent that drafts, publishes and pitches the fixes.	AI visibility monitoring and AI traffic analytics across six answer engines, with ranked fix recommendations.	AI visibility tracking across six AI answer platforms, sold as an add-on to an Ahrefs subscription.	Tracks brand visibility in AI answers via real chat interfaces, with agents for content, outreach and Reddit.	Tracks how ChatGPT, Claude and Gemini describe your brand, free on your own AI subscriptions.	AI visibility platform that tracks brand mentions and citations across six answer engines, with content and audits.	Keyword-based AI search visibility tracker for brand mentions, rankings and citations.	Credit-metered AI visibility, citation and crawler tracking with unlimited projects and seats.	AI search visibility tracking, site audits and content generation for brands and agencies.	LLM rank tracker from Mangools that monitors brand mentions and citations across eight AI search engines.	AI search visibility tracking plus AEO delivery, as an open-source platform, agency products and managed service.	AI brand visibility and LLM rank tracking from SEO Vendor, with repeated-sampling entity reports.	Pay-as-you-go AI visibility and content intelligence runs via Console, API, MCP and CLI.	Open-source MIT command-line GEO engine: audit, generate, fix and track the pages AI engines cite.	Enterprise SEO and AEO platform for tracking and improving brand visibility across Google and AI search engines.	Content platform that researches, drafts, optimises and publishes pages, then tracks AI citations.	All-in-one SEO tool with ChatGPT prompt tracking, Google AI Overviews tracking and a GEO visibility score.	AI search visibility tracking with crawler logs and content agents that publish to your CMS.	AI visibility tracking for brands, competitors and cited sources across five answer engines.	AI search visibility tracking plus AI article writing, site audits and an Action Center.
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Pricing	From $29/month	From Free	From $9/month	From $29/month	From $99/month	From $0.10/check	From Free	From $97/month	From $99/month	From $4/month	From $89/month	From $499/month	From about $88/month	From Free	From about $52/month	From $29/month	From Free	From Free	From about $88/month	From about $86/month	From $125/month	From Free	From Free	From Free	From about $5.59/month	From Free	-	From $49/month	From $69/month	From $95/month	From $99/month	From $99/month
Tags	AI visibility monitoring	AI rank trackingAI visibility monitoring	AI visibility monitoring	AI visibility monitoring	AI visibility monitoringGEO tools	PerplexityGeminiClaudeChatGPT	PerplexityAPIBrand monitoringGeminiAI OverviewsFor agenciesClaudeCopilotChatGPT	PerplexityAPIBrand monitoringGeminiFree trialAI OverviewsContent optimizationClaudeChatGPT	PerplexityAPIBrand monitoringGeminiAI OverviewsFor agenciesContent optimizationClaudeCopilotChatGPT	PerplexityAPIBrand monitoringGeminiFree trialAI OverviewsFor agenciesClaudeCopilotChatGPT	PerplexityAPIGeminiFree trialAI OverviewsFor agenciesContent optimizationClaudeChatGPT	EnterprisePerplexityAPIBrand monitoringGeminiAI OverviewsFor agenciesContent optimizationClaudeCopilotChatGPT	PerplexityAPIBrand monitoringGeminiFree trialAI OverviewsFor agenciesContent optimizationClaudeCopilotChatGPT	PerplexityAPIBrand monitoringGeminiAI OverviewsClaudeCopilotChatGPT	EnterprisePerplexityBrand monitoringGeminiAI OverviewsCopilotChatGPT	EnterprisePerplexityAPIBrand monitoringGeminiFree trialAI OverviewsContent optimizationCopilotChatGPT	EnterpriseAPIBrand monitoringGeminiContent optimizationClaudeChatGPT	PerplexityAPIBrand monitoringGeminiFree trialAI OverviewsFor agenciesContent optimizationClaudeChatGPT	PerplexityAPIBrand monitoringGeminiFree trialAI OverviewsClaudeCopilotChatGPT	PerplexityAPIBrand monitoringGeminiFree trialAI OverviewsContent optimizationClaudeCopilotChatGPT	PerplexityBrand monitoringGeminiAI OverviewsContent optimizationClaudeChatGPT	APIBrand monitoringGeminiFree trialAI OverviewsClaudeChatGPT	PerplexityAPIBrand monitoringGeminiContent optimizationClaudeChatGPT	PerplexityAPIBrand monitoringGeminiClaudeChatGPT	PerplexityAPIBrand monitoringGeminiFree trialContent optimizationChatGPT	PerplexityGeminiContent optimizationClaudeChatGPT	EnterprisePerplexityGeminiAI OverviewsChatGPT	EnterprisePerplexityAPIBrand monitoringGeminiFree trialAI OverviewsContent optimizationClaudeChatGPT	APIBrand monitoringFree trialAI OverviewsFor agenciesContent optimizationChatGPT	EnterprisePerplexityAPIBrand monitoringGeminiAI OverviewsFor agenciesContent optimizationClaudeCopilotChatGPT	PerplexityBrand monitoringGeminiFree trialAI OverviewsFor agenciesChatGPT	EnterprisePerplexityAPIBrand monitoringGeminiFree trialAI OverviewsContent optimizationClaudeCopilotChatGPT

Questions buyers ask

Which AI visibility monitoring tools with an API are the best?

Wellows, SerpApi and Proofsource lead our ranking for October 2026. Wellows is first, for growing agencies adding a white-label GEO service line.

Which tool here costs the least?

9 of the 32 have a free plan: SerpApi, Elmo, AI Sightline, geoSurge and Rank Prompt and 4 more. The lowest paid plan is Keyword.com AI Visibility, from $4/month. Price checked on 24 October 2026.

How much do AI visibility monitoring tools with an API cost?

Entry plans run from $4 to $499 a month, and half cost $88.39 or less.

When were these prices checked?

We read these prices between 10 September 2026 and 26 October 2026, each on the tool's own pricing page.

Sources and method

We read every price on the tool's own pricing page.

Wellows: wellows.com/pricing, checked 23 October 2026
SerpApi: serpapi.com/pricing, checked 20 October 2026
Proofsource: proofsource.co/pricing, checked 13 October 2026
BotScope: botscope.ai/pricing, checked 12 October 2026
DeepSmith: deepsmith.ai/pricing, checked 18 October 2026

All 32 sources

Epovest: epovest.com/en/pricing, checked 23 September 2026
Elmo: elmohq.com/pricing, checked 25 October 2026
Distribb: distribb.io, checked 24 October 2026
Rankability: rankability.com/pricing, checked 10 September 2026
Keyword.com AI Visibility: keyword.com/pricing, checked 24 October 2026
Rankfender: rankfender.com/en/pricing, checked 11 October 2026
Cognizo: cognizo.ai/pricing, checked 21 September 2026
Omnia: useomnia.com/pricing, checked 28 September 2026
AI Sightline: aisightline.com/pricing, checked 19 September 2026
Ahrefs Brand Radar: ahrefs.com/pricing, checked 26 October 2026
RadarKit: radarkit.ai/pricing, checked 26 October 2026
geoSurge: geosurge.ai/pricing, checked 24 September 2026
Rank Prompt: rankprompt.com/pricing, checked 26 October 2026
LLMrefs: llmrefs.com, checked 11 October 2026
Rankshift: rankshift.ai/pricing, checked 26 October 2026
Searchable: searchable.com/pricing, checked 13 October 2026
AI Search Watcher: mangools.com/ai-search-watcher/plans-and-pricing, checked 24 October 2026
Canonry: canonry.ai, checked 3 October 2026
RankLens: seovendor.co/ranklens-llm-rankings, checked 11 October 2026
Sleepwalker AI: sleepwalker.ai/docs/billing/credits, checked 9 October 2026
auto-geo: github.com/shadowresearch/auto-geo, checked 25 October 2026
BrightEdge: brightedge.com/products/product-pricing, checked 11 September 2026
Frase: frase.io/pricing, checked 3 October 2026
Morningscore: morningscore.io/pricing, checked 27 September 2026
Promptwatch: promptwatch.com/pricing, checked 30 September 2026
SE Visible: visible.seranking.com, checked 18 October 2026
Writesonic: writesonic.com/pricing, checked 26 October 2026

This ranking

32 tools ranked
paid plans $0.02-$499
9 free or freemium
verified 25 October 2026

How we rank →

All picks at a glance

The ranking

ProofsourceVerified owner

BotScopeVerified owner

Ranked 6 to 32

EpovestVerified owner

ElmoVerified owner

DistribbVerified owner

FraseVerified owner