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Alternatives

10 best ChartsKing alternatives

Tools that cover the same task as ChartsKing (ai agent security), ranked by how completely their pricing, free tier and API access are documented. Checked Oct 7, 2026.

ChartsKing starts at
Not listed
Free plan
Free trial
API
API unknown
  1. 01

    EasyFunctionCall

    EasyFunctionCall is a SaaS tool that converts OpenAPI and Swagger specifications into function-call parameters for LLM integrations. The embedded pricing UI offers Free, Basic, and Enterprise monthly plans with request and API limits.

    • From $29.99/mo
    • Free plan
    • API available

    Best for: Developers wiring ChatGPT, Claude, Gemini, or Llama tools who want automated OpenAPI-to-function-call conversion.

  2. 02

    Dynatrace

    Dynatrace is an observability and security platform that unifies application performance, infrastructure, logs, digital experience, and AI-assisted workflows on one analytics core. Customers commit annually at the platform level and consume capabilities via transparent rate-card units such as hosts and pods.

    • From $7/mo
    • Free trial
    • API unknown

    Best for: Platform and SRE teams needing full-stack observability with consumption-based enterprise pricing.

  3. 03

    Better Powerpoints

    Better Powerpoints is a browser-based AI presentation maker for academic, business, and pitch decks. It generates slides with AI, supports real-time collaboration, exports to PPTX, and offers paid Pro and Premium tiers with higher generation limits and premium models.

    • From $9.99/mo
    • Free plan
    • API unknown

    Best for: Students, founders, and teams who need fast AI-generated slide decks with optional collaboration and PPTX export.

  4. 04

    Buildship

    Buildship is a visual AI workflow builder for creating backend flows, APIs, and agent tools with natural-language generation plus full code access. Teams connect databases, SaaS tools, and models, then deploy flows with monitoring, versioning, and team libraries.

    • From $19/mo
    • Free trial
    • API available

    Best for: Operations, marketing, and engineering teams automating AI backends without giving up code-level control.

  5. 05

    AI Essay Grader

    GraderAI (AI Essay Grader) helps K-12 and college teachers score essays against custom rubrics with plagiarism and AI-detection signals. It advertises bulk uploads, Google Classroom and Canvas sync, OCR for handwritten work, and analytics dashboards for student growth.

    • From $7.99/mo
    • Free plan
    • API unknown

    Best for: Teachers and departments who need faster rubric-based essay feedback with LMS integrations and compliance-focused handling.

  6. 06

    Circler

    Circler.io is purchase-reconciliation software for high-volume ticket resellers and brokers. It imports CSVs and bank activity, processes forwarded purchase emails, and uses an AI matching agent to tie transactions, inventory, and confirmations together so teams spend less time in spreadsheets hunting missing inventory.

    • From $125/mo
    • Free trial
    • API available

    Best for: Ticket-industry back-office teams reconciling thousands of purchases, refunds, and bank lines who need automated matching instead of daily Excel work.

  7. 07

    Evangeler - List of Affiliate Programs

    The homepage targets SaaS teams launching referral programs with real-time analytics and listing exposure.

    • From $29/mo
    • Free tier unknown
    • API unknown

    Best for: SaaS founders and growth teams launching affiliate or referral programs with hosted portals and payout automation.

  8. 08

    Apify

    Apify is a web automation platform with a store of Actors for scraping, data extraction, and AI agent integrations, plus prepaid platform usage on subscription plans for running jobs at scale.

    • From $19/mo
    • Free plan
    • API available

    Best for: Developers and data teams automating web data collection, lead generation, and agent toolchains.

  9. 09

    Forms.app

    forms.app is a team-oriented form builder with AI form creation, unlimited responses on the free tier, payments, signatures, and deep integrations. Paid plans raise form counts, storage, branding removal, and analytics features.

    • From $29/mo
    • Free plan
    • API available

    Best for: Teams collecting surveys, leads, and payments who need collaborative form building with generous free limits.

  10. 10

    ClickUp

    ClickUp is an all-in-one work hub with projects, chat, docs, whiteboards, time tracking, and Brain AI agents. It aims to replace many SaaS apps with shared context, automations, and AI workflows for teams of any size.

    • From $10/mo
    • Free plan
    • API available

    Best for: Teams consolidating project management, chat, and AI assistance into one workspace instead of many subscriptions.

ChartsKing alternatives: common questions

What is the best free alternative to ChartsKing?

EasyFunctionCall has an ongoing free plan. Free plan includes 5 APIs and 100 requests per month with minimal support. Free plans change, so check the vendor before relying on one.

What is the cheapest ChartsKing alternative?

Dynatrace has the lowest listed starting price at $7/mo.

Which ChartsKing alternatives have an API?

EasyFunctionCall, Buildship, Circler, Apify, Forms.app mention API or developer access.