--- title: "ChartQuery Pricing: plans, prices, and credits" lang: en canonical_url: https://www.chartquery.com/pricing last_updated: 2026-08-18 summary: "Credit-based pricing for the ChartQuery chart, diagram, barcode, QR, and label API. Free anonymous access, Starter at $44/month billed yearly, Pro at $134/month billed yearly, and Enterprise on request." --- # ChartQuery Pricing With ChartQuery you generate charts, diagrams, barcodes, QR codes, and labels from a single REST API. Pricing is credit-based: every render costs a fixed number of credits, and the same credits work across every endpoint family. Prices below show the annual (billed yearly) rate and the month-to-month rate (annual billing saves 10%). Listed amounts are the same in USD and EUR. All endpoints are available on every plan, including Free. Paid plans remove watermarks and extend share link expiry. Sharing and viewing public URLs is always free. ## Plans All plans in one table, showing the annual (billed yearly) rate then the month-to-month rate. | Plan | Annually | Monthly | Credits | Rate limit | Share expiry | Notable features | | --- | --- | --- | --- | --- | --- | --- | | Free | $0 | $0 | No API key (60 req/h per IP) | 60 req/h per IP | 3 days | All chart, diagram, barcode, QR, label, and AI endpoints. Watermark on rendered images | | Starter | $44/mo | $49/mo | 750,000 credits/month (~150,000 charts or ~75,000 AI generations) | 50 req/s | 6 months | No watermark, multiple API keys, email support, 99.9% uptime SLA | | Pro | $134/mo | $149/mo | 3,000,000 credits/month (~600,000 charts or ~300,000 AI generations) | 100 req/s | 6 months | No watermark, multiple API keys, priority support, usage analytics, 99.95% uptime SLA | | Enterprise | Custom | Custom | 15,000,000+ credits/month | Custom | 1 year | Dedicated account manager, SLA guarantee, custom integrations, on-premise option, 99.99% uptime SLA | The **Enterprise** plan is priced on request. It is the right fit for organizations that need custom credit volume, a contractual SLA, a dedicated account manager, custom integrations, or on-premise deployment. [Contact sales](https://www.chartquery.com/contact) to discuss an Enterprise plan. To start yourself, [create a free account](https://app.chartquery.com/register). Early-stage companies can also [apply to the Startup Program](https://www.chartquery.com/startup-program) for discounted paid plans for 12 months. The public API and MCP server are included on every plan. There is no separate MCP fee: if you already have a ChartQuery API key, it works with MCP at no additional cost. ## Credits Every API call costs a fixed number of credits. AI-powered endpoints cost more to cover inference. Sharing and viewing are always free. | Endpoint | Credits per call | Notes | | --- | --- | --- | | Chart render | 5 | GET or POST, any of the 10 chart types, PNG or SVG | | Diagram render | 5 | 28 languages: Mermaid, PlantUML, D2, GraphViz, and more | | Barcode and QR code | 5 | Code128, EAN-13, UPC-A, customizable QR codes | | Label render | 5 | Shipping and address labels, PDF or PNG | | AI chart generation | 10 | Describe a chart in plain English | | AI diagram generation | 10 | Describe a diagram in plain English; auto-selects the best type | | Share / Render / View | Free | Access shared charts and diagrams via public URLs | Paid plan credits reset at the start of each billing cycle. Credits purchased through pay-as-you-go packs never expire and carry over indefinitely. ## FAQ ### How much does ChartQuery cost? The Starter plan is $44/month billed yearly ($49 month-to-month) and includes 750,000 credits, a 50 req/s rate limit, watermark-free output, 6-month share expiry, multiple API keys, and email support. Pro is $134/month billed yearly ($149 month-to-month) with 3,000,000 credits, 100 req/s, priority support, and usage analytics. Enterprise starts at 15,000,000 credits and is priced on request. A Free plan is $0, with 60 requests per hour per IP, a watermark, and 3-day share link expiry. ### How is API usage measured? Usage is measured in credits. A standard chart, diagram, barcode, QR code, or label render costs 5 credits. AI-powered generation costs 10 credits. Your dashboard shows usage in real time. ### Can I use ChartQuery without an API key? Yes. Anonymous access allows up to 60 requests per hour per IP. Charts include a small watermark and shared charts expire after 3 days. Sign up for a paid plan to remove watermarks and extend expiry. You can also try the [Playground](https://www.chartquery.com/playground) without an account. ### Do unused credits roll over to the next month? No. Monthly subscription credits reset at the beginning of each billing cycle. Credits purchased through pay-as-you-go packs never expire and carry over indefinitely. ### Can I change my plan later? Yes. You can upgrade or downgrade at any time from your dashboard. When upgrading, you are charged the prorated difference. When downgrading, the change takes effect at the next billing cycle. ### What is your cancellation policy? You can cancel your subscription at any time. Your plan stays active until the end of the current billing period. There are no cancellation fees. ### What payment methods do you accept? We accept all major credit cards (Visa, Mastercard, American Express) and SEPA direct debit. All payments are processed securely through Stripe. Invoices are generated for every payment and available to download in your dashboard. Card details are never stored by ChartQuery. ### What currency are prices in? Listed prices are the same numeric amounts in USD and EUR ($49 and €49). Stripe handles the charge in the currency shown at checkout. Your bank handles conversion if your account is in a different currency. ### Do you have rate limits? Anonymous users are limited to 60 requests per hour per IP. Starter allows 50 requests per second. Pro allows 100 requests per second. Enterprise rate limits are custom. ### What is the average response time? Most chart and diagram endpoints respond in under 500ms. AI-powered generation may take 1 to 3 seconds depending on complexity. ### What chart and diagram types are supported? 10 chart types: bar, line, area, doughnut, pie, radar, polarArea, bubble, scatter, and mixed. 28 diagram languages, including Mermaid, PlantUML, GraphViz, and D2. Output formats include PNG, SVG, JPEG, and PDF depending on the endpoint. See the [API docs](https://docs.chartquery.com) and the [gallery](https://www.chartquery.com/gallery). ### Is there an SDK or client library? The API is a standard REST API that works with any HTTP client. Code examples are available in JavaScript, Python, PHP, Go, Ruby, and cURL in the [documentation](https://docs.chartquery.com) and on the [developers](https://www.chartquery.com/developers) page. ### Is there a separate price for MCP? No. MCP calls use the same credits and rate limits as the REST API. There is no separate MCP plan or surcharge. ### Can I self-host ChartQuery? On-premise deployment is available with the Enterprise plan. [Contact sales](https://www.chartquery.com/contact) for custom deployment options. ### Is there a startup discount? Yes. The [Startup Program](https://www.chartquery.com/startup-program) offers discounted paid plans for 12 months. Eligibility: company less than 3 years old, raised under $2M, with an active technical or product team building a digital product. --- _Markdown version of [the pricing page](https://www.chartquery.com/pricing) for AI agents and LLMs._