SEO tools with an API 2026: 5 platforms

SEO platforms from our ranking that offer a documented API, in Score order. An API lets you pull rankings and keyword data into your own reports, dashboards or AI assistants. Many vendors include it only in higher plans or charge for API credits, so read the note under the fact.

Best SEO Tools 2026: Keyword Research, Rank Tracking, Audits

  1. 1

    Semrush

    86/100
    Cheapest paid plan per month
    $139.00
    Free plan
    Yes
    Rank tracking
    Yes
    Backlink analysis
    Yes
    Two-factor authentication
    Yes
    • Keyword research tool
    • Tracks your positions in search
    • Technical site audit
    • Backlink analysis
  2. 2

    SISTRIX

    80/100
    Cheapest paid plan per month
    $133.47
    Free plan
    No
    Rank tracking
    Yes
    Backlink analysis
    Yes
    Two-factor authentication
    Yes
    • Keyword research tool
    • Tracks your positions in search
    • Technical site audit
    • Backlink analysis
  3. 3

    Ahrefs

    79/100
    Cheapest paid plan per month
    $129.00
    Free plan
    Yes
    Rank tracking
    Yes
    Backlink analysis
    Yes
    Two-factor authentication
    Yes
    • Keyword research tool
    • Tracks your positions in search
    • Technical site audit
    • Backlink analysis
  4. 4

    SE Ranking

    70/100
    Cheapest paid plan per month
    $122.25
    Free plan
    No
    Rank tracking
    Yes
    Backlink analysis
    Yes
    Two-factor authentication
    Yes
    • Keyword research tool
    • Tracks your positions in search
    • Technical site audit
    • Backlink analysis
  5. 6

    Morningscore

    64/100
    Cheapest paid plan per month
    $69.00
    Free plan
    Not verified
    Rank tracking
    Yes
    Backlink analysis
    Yes
    Two-factor authentication
    Not verified
    • Keyword research tool
    • Tracks your positions in search
    • Technical site audit
    • Backlink analysis