Best GEO & content optimization tools — API

The ranking

1. ★ Editor’s pick

   #1SE

   SEObot

   Autonomous AI SEO agent that plans, writes, interlinks and publishes blog and programmatic content to your CMS.

   Best forA REST API and webhooks pull articles into your own stack, with an npm package and a Next.js example, plus endpoints to create headlines programmatically; the per-website API key only appears once the site holds at least one article credit.

   API: Yes — A REST API and webhooks pull articles into your own stack, with an npm package and a Next.js example, plus endpoints to create headlines programmatically; the per-website API key only appears once the site holds at least one article credit.“Create one or more headlines for your SEObot website programmatically, with optional custom context per headline. Headlines created via this endpoint flow into the same article-generation pipeline”Add Headlines API, opening paragraph · retrieved 2026-09-09

   Visit SEObot ↗Read the review →Compare SEObotGet a quote →From $49/month
2. #2DI

   Distribb

   AI SEO platform that researches keywords, writes and publishes articles, builds backlinks and tracks AI citations.

   Best forSaaS founders, agencies, and developer-led growth teams who don't want to run SEO, content writing, link outreach, and AI-visibility tracking as four separate vendor relationships.

   API: Yes — Documented REST API v1 with a bearer key from account settings covers projects, articles, keywords, backlinks, Search Console, AI visibility and outreach; POST /articles/generate is Pro-only and not available on the Agentic plan.“Connect your AI agent to Distribb. You write the content — we handle SEO optimization, backlinks, publishing, and analytics.”Page intro, under the API Documentation heading · retrieved 2026-09-02

   Visit Distribb ↗Read the review →Compare DistribbGet a quote →From $97/month
3. #3OR

   Orchly

   AI agents that monitor AI search visibility and then write, fix and publish the content.

   Best forAgencies and B2B teams tracking AI visibility and SEO under one subscription

   API: Yes — API listed on Essential and Pro; Enterprise gets 'Full API Access'.“MCP & API Access”Pro plan feature list, final row (Essential lists 'API Access'; Enterprise 'Full API Access') · retrieved 2026-09-02

   Visit Orchly ↗Read the review →Compare OrchlyGet a quote →From $49/month

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5. #4RA

   Rankability

   AI search visibility tracking, site auditing and content optimisation for marketing agencies.

   Best forAgencies and content teams needing all-in-one content creation, optimization and wide AI-platform tracking

   API: Yes — API access is included on all three plans, Starter upward.“API access”Plan comparison table, 'Integrations and automation' section, API access row (Included on Starter, Core and Team)

   Visit Rankability ↗Read the review →Compare RankabilityGet a quote →From $99/month
6. #5RA

   Rankfender

   AI visibility scoring across seven AI engines, with keyword tracking, article generation and CMS publishing.

   Best forMarketing teams that want broad LLM tracking bundled with content production from a 2024-founded vendor.

   API: Yes — Documented REST API at api.rankfender.com/v1 with bearer API keys; included on every plan, rate-limited 100/500/2,000 requests per hour by tier.“The Rankfender API allows you to programmatically access and manage your content, keywords, AI visibility data, and more.”Rankfender API Overview, Introduction paragraph

   Visit Rankfender ↗Read the review →Compare RankfenderGet a quote →From $89/month
7. #6CO

   Cognizo

   AEO platform tracking brand visibility in AI answers, with agents that create and publish content.

   Best forMarketing teams and agencies that want AI-visibility monitoring bundled with real content production and are comfortable booking a demo.

   API: Yes — REST API at core.cognizo.ai/api/v2/, listed on every published tier“the API at https://core.cognizo.ai/api/v2/ is what you'd use for dashboards, ETL pipelines, and scheduled jobs”FAQ, 'What is the difference between the Cognizo MCP server and the Cognizo API?' · retrieved 2026-09-02

   Visit Cognizo ↗Read the review →Compare CognizoGet a quote →From $499/month
8. #7OM

   Omnia

   AI visibility platform with an agent, Omnio, that drafts, publishes and measures GEO fixes.

   Best forAPI access is listed as included on every tier, Growth upward.

   API: Yes — API access is listed as included on every tier, Growth upward.“API access and MCP access (read and write) inside Claude and ChatGPT”Plans, Growth: €79/month bullet list · retrieved 2026-09-02

   Visit Omnia ↗Read the review →Compare OmniaGet a quote →From €79/month
9. #8GE

   geoSurge

   Bring-your-own-key AI visibility tracking across ChatGPT, Claude and Gemini, plus Enterprise corpus engineering.

   Best forTechnical SEO and AI teams who want free BYOK access to brand-visibility data across ChatGPT, Claude and Gemini with full REST API and MCP access included from day one.

   API: Yes — REST API is ticked on both Free and Enterprise.“REST API | ✓ | ✓ | Top tiers only”Comparison table, "Data access" group, REST API row · retrieved 2026-09-02

   Visit geoSurge ↗Read the review →Compare geoSurgeGet a quote →From Free
10. #9GA

    Gauge

    Daily prompt tracking across six AI engines, with a content engine that publishes to your CMS.

    Best forProgrammatic API plus CSV exports; an OpenAPI spec is published.

    API: Yes — Programmatic API plus CSV exports; an OpenAPI spec is published.“API + CSV exports — programmatic data access and stakeholder reports”FAQ 'What integrations does Gauge support?'

    Visit Gauge ↗Read the review →Compare GaugeGet a quote →From $599/month
11. #10RP

    Rank Prompt

    AI visibility platform: prompt monitoring across six answer engines, plus content, citation outreach and site audits.

    Best forA solo marketer or developer who wants one dashboard across ChatGPT, Perplexity, Google AI Mode, Claude, Gemini and Grok, with API access and a hosted MCP server available from the $49/month Starter tier rather than gated behind a custom enterprise plan.

    API: Yes — Public REST /v1 included from the cheapest paid tier upward with per-tier request caps; standalone API-only plans also exist.“Developer API access is included with every Starter and up dashboard plan, with a monthly request cap per tier: 10,000 on Starter, 25,000 on Pro, 50,000 on Agency, and 100,000 on Agency Plus.”FAQ "Developer questions", "How is the API priced?", first sentence

    Visit Rank Prompt ↗Read the review →Compare Rank PromptGet a quote →From Free
12. #11RA

    Rankshift

    AI visibility tracking with unlimited projects and seats, plus content briefs and an AI writer.

    Best forREST API on every plan, including Starter, and not gated to higher tiers.

    API: Yes — REST API on every plan, including Starter, and not gated to higher tiers.“MCP & API access Programmatic access to your data via our REST API”Pricing section, Starter plan 'MCP & API access' feature row · retrieved 2026-09-02

    Visit Rankshift ↗Read the review →Compare RankshiftGet a quote →From $92/month
13. #12SE

    Searchable

    AI visibility monitoring, site audits and content generation for answer engine optimisation.

    Best foragencies and brands that want AI visibility tracking, technical AI-crawler audits and AI-optimized content generation in one tool

    API: Yes — API access is listed on every published plan card, including the cheapest.“API access”Plan cards, Pro feature list (also Scale and Enterprise)

    Visit Searchable ↗Read the review →Compare SearchableGet a quote →From $125/month
14. #13CA

    Canonry

    Open-source self-hosted AEO monitoring platform, plus agency client reporting and managed AEO delivery.

    Best fordeveloper-led or privacy-conscious teams and agencies that want a free, self-hosted AEO stack they can drive from Claude Code or Codex

    API: Yes — Versioned REST API plus a JSON-returning CLI and signed webhooks; the dashboard is one client of the same project API.“Canonry also exposes a versioned REST API, an MCP adapter with toolkits that load on demand, and signed webhooks for event-driven workflows.”Direct answers FAQ, 'How does my agent connect?'

    Visit Canonry ↗Read the review →Compare CanonryGet a quote →From Free
15. #14BA

    BabyLoveGrowth

    Automated AEO/SEO article production, backlink exchange and AI-visibility tracking, sold per website.

    Best forlean marketing teams that want auto-published content

    API: Yes — REST API keyed by an X-API-Key header, pull-based and rate-limited; it serves generated articles, not the AI-visibility data.“The BabyLoveGrowth API lets you programmatically fetch your articles and push them into any CMS or backend — using code you write.”BabyLoveGrowth API page, intro paragraph

    Visit BabyLoveGrowth ↗Read the review →Compare BabyLoveGrowthGet a quote →From €99/month
16. #15SA

    Sleepwalker AI

    AI visibility probes and page scoring exposed as an action layer for agents, scripts and a console.

    Best fordevelopers and AI-agent-building teams

    API: Yes — Public REST API on scoped bearer keys, plus a CLI over the same API; 300 authenticated requests per hour by default.“The Sleepwalker API lets you run AI Visibility and Content Intelligence workflows over HTTPS.”API overview, opening sentence

    Visit Sleepwalker AI ↗Read the review →Compare Sleepwalker AIGet a quote →From Free
17. #16AU

    auto-geo

    MIT CLI that audits, generates and rewrites pages for AI citation, then measures whether engines cite you.

    Best fordeveloper-led teams or solo marketers

    API: Yes — Every layer is an importable TypeScript export, and both commands emit stable JSON/NDJSON.“Every layer is exported.”'Programmatic use' section, opening sentence

    Visit auto-geo ↗Read the review →Compare auto-geoGet a quote →From Free
18. #17BR

    BrightEdge

    Enterprise SEO and AEO platform that measures brand presence in AI answers and optimises the pages behind it.

    Best forEnterprise SEO teams tracking rankings and AI search visibility across markets

    API: Yes — The Connect API pushes BrightEdge data into platforms such as Salesforce Marketing Cloud and Domo; described as used by enterprise customers, with no tier list published.“BrightEdge offers a robust API that many enterprise customers use to incorporate BrightEdge insights into leading marketing and data platforms including Salesforce Marketing Cloud, Domo, and others”'BrightEdge Connect API Integrations' section

    Visit BrightEdge ↗Read the review →Compare BrightEdgeGet a quote →
19. #18FR

    Frase

    SEO and GEO content platform: audit, research, write, publish, then track AI citations.

    Best forcontent and SEO teams or agencies that want one subscription covering content briefs, AI-assisted drafting and daily AI citation tracking

    API: Yes — REST API on every plan including Starter, metered by requests a month, with HMAC-signed webhooks; Enterprise limits are custom.“API access 250 req/mo 1,000 req/mo 3,000 req/mo Custom”'Compare plans' comparison table, 'Reporting and access' block, 'API access' row

    Visit Frase ↗Read the review →Compare FraseGet a quote →From $49/month
20. #19PR

    Promptwatch

    AI search visibility platform for brand mentions, citations and AI crawler logs, with content agents.

    Best forMarketing teams and brands that already run traditional SEO

    API: Yes — REST API keys are ticked from Essential ('MCP and API access'); the docs warn API access is a plan feature and existing keys stop working after a downgrade.“REST API: full programmatic access to your data with API keys, created under Settings → API Keys.”Section 'Developer access' · retrieved 2026-09-02

    Visit Promptwatch ↗Read the review →Compare PromptwatchGet a quote →From Free
21. #20WR

    Writesonic

    AI search visibility tracking plus AI article writing, site audits and an Action Center.

    Best forMarketing teams and brands that already run SEO/content operations

    API: Yes — REST GEO API keyed by X-API-KEY, activated from an API Dashboard toggle in the account.“All API requests require an `X-API-KEY` header with your Writesonic API key.”Authentication, opening line · retrieved 2026-09-02

    Visit Writesonic ↗Read the review →Compare WritesonicGet a quote →From $99/month