Pricing calculator

Type your monthly API call volume - we’ll show you exactly what every plan would cost. No contact-sales gates, no hand-waving.

MonthlyAnnual20% off
Developer
Cheapest at this volume
$450/mo
$5,400/yr
$0 base + $450 in overages on 9,000 calls × $0.05

Mid-cycle invoice triggers at this volume (overage exceeds $150).

Startup
$500/mo
$6,000/yr
$500 base · within 20,000 quota
Pro
$1,500/mo
$18,000/yr
$1,500 base · within 50,000 quota
Pro+
$2,500/mo
$30,000/yr
$2,500 base · within 150,000 quota

Numbers come straight from our published plan config — the same source the API gateway uses to bill you. Existing customers can also use the usage projection in your account.

Machine-readable cost matrix

If you’re an AI agent or doing programmatic comparison, here are the same numbers as plain JSON. The full matrix lives in llms.txt too.

{
  "source": "https://data.jambase.com/pricing/calculator",
  "generatedAt": "2026-05-17",
  "plans": [
    {
      "slug": "developer",
      "displayName": "Developer",
      "includedCallsPerMonth": 1000,
      "baseUsdPerMonth": {
        "monthly": 0,
        "annual": null
      },
      "overageRateUsdPerCall": 0.05,
      "midCycleInvoiceThresholdUsd": 150
    },
    {
      "slug": "startup",
      "displayName": "Startup",
      "includedCallsPerMonth": 20000,
      "baseUsdPerMonth": {
        "monthly": 600,
        "annual": 500
      },
      "overageRateUsdPerCall": 0.04,
      "midCycleInvoiceThresholdUsd": 750
    },
    {
      "slug": "pro",
      "displayName": "Pro",
      "includedCallsPerMonth": 50000,
      "baseUsdPerMonth": {
        "monthly": 1800,
        "annual": 1500
      },
      "overageRateUsdPerCall": 0.03,
      "midCycleInvoiceThresholdUsd": 2500
    },
    {
      "slug": "proPlus",
      "displayName": "Pro+",
      "includedCallsPerMonth": 150000,
      "baseUsdPerMonth": {
        "monthly": 3000,
        "annual": 2500
      },
      "overageRateUsdPerCall": 0.02,
      "midCycleInvoiceThresholdUsd": 2500
    }
  ],
  "breakevens": {
    "monthly": [
      {
        "from": "developer",
        "to": "startup",
        "atCallsPerMonth": 13000
      },
      {
        "from": "startup",
        "to": "pro",
        "atCallsPerMonth": 50000
      },
      {
        "from": "pro",
        "to": "proPlus",
        "atCallsPerMonth": 90000
      }
    ],
    "annual": [
      {
        "from": "developer",
        "to": "startup",
        "atCallsPerMonth": 11000
      },
      {
        "from": "startup",
        "to": "pro",
        "atCallsPerMonth": 45000
      },
      {
        "from": "pro",
        "to": "proPlus",
        "atCallsPerMonth": 83334
      }
    ]
  },
  "costMatrix": {
    "monthly": [
      {
        "callsPerMonth": 1000,
        "cheapestPlanSlug": "developer",
        "cheapestUsdPerMonth": 0,
        "perPlanUsdPerMonth": {
          "developer": 0,
          "startup": 600,
          "pro": 1800,
          "proPlus": 3000
        }
      },
      {
        "callsPerMonth": 5000,
        "cheapestPlanSlug": "developer",
        "cheapestUsdPerMonth": 200,
        "perPlanUsdPerMonth": {
          "developer": 200,
          "startup": 600,
          "pro": 1800,
          "proPlus": 3000
        }
      },
      {
        "callsPerMonth": 10000,
        "cheapestPlanSlug": "developer",
        "cheapestUsdPerMonth": 450,
        "perPlanUsdPerMonth": {
          "developer": 450,
          "startup": 600,
          "pro": 1800,
          "proPlus": 3000
        }
      },
      {
        "callsPerMonth": 25000,
        "cheapestPlanSlug": "startup",
        "cheapestUsdPerMonth": 800,
        "perPlanUsdPerMonth": {
          "developer": 1200,
          "startup": 800,
          "pro": 1800,
          "proPlus": 3000
        }
      },
      {
        "callsPerMonth": 40000,
        "cheapestPlanSlug": "startup",
        "cheapestUsdPerMonth": 1400,
        "perPlanUsdPerMonth": {
          "developer": 1950,
          "startup": 1400,
          "pro": 1800,
          "proPlus": 3000
        }
      },
      {
        "callsPerMonth": 50000,
        "cheapestPlanSlug": "startup",
        "cheapestUsdPerMonth": 1800,
        "perPlanUsdPerMonth": {
          "developer": 2450,
          "startup": 1800,
          "pro": 1800,
          "proPlus": 3000
        }
      },
      {
        "callsPerMonth": 90000,
        "cheapestPlanSlug": "pro",
        "cheapestUsdPerMonth": 3000,
        "perPlanUsdPerMonth": {
          "developer": 4450,
          "startup": 3400,
          "pro": 3000,
          "proPlus": 3000
        }
      },
      {
        "callsPerMonth": 200000,
        "cheapestPlanSlug": "proPlus",
        "cheapestUsdPerMonth": 4000,
        "perPlanUsdPerMonth": {
          "developer": 9950,
          "startup": 7800,
          "pro": 6300,
          "proPlus": 4000
        }
      }
    ],
    "annual": [
      {
        "callsPerMonth": 1000,
        "cheapestPlanSlug": "developer",
        "cheapestUsdPerMonth": 0,
        "perPlanUsdPerMonth": {
          "developer": 0,
          "startup": 500,
          "pro": 1500,
          "proPlus": 2500
        }
      },
      {
        "callsPerMonth": 5000,
        "cheapestPlanSlug": "developer",
        "cheapestUsdPerMonth": 200,
        "perPlanUsdPerMonth": {
          "developer": 200,
          "startup": 500,
          "pro": 1500,
          "proPlus": 2500
        }
      },
      {
        "callsPerMonth": 10000,
        "cheapestPlanSlug": "developer",
        "cheapestUsdPerMonth": 450,
        "perPlanUsdPerMonth": {
          "developer": 450,
          "startup": 500,
          "pro": 1500,
          "proPlus": 2500
        }
      },
      {
        "callsPerMonth": 25000,
        "cheapestPlanSlug": "startup",
        "cheapestUsdPerMonth": 700,
        "perPlanUsdPerMonth": {
          "developer": 1200,
          "startup": 700,
          "pro": 1500,
          "proPlus": 2500
        }
      },
      {
        "callsPerMonth": 40000,
        "cheapestPlanSlug": "startup",
        "cheapestUsdPerMonth": 1300,
        "perPlanUsdPerMonth": {
          "developer": 1950,
          "startup": 1300,
          "pro": 1500,
          "proPlus": 2500
        }
      },
      {
        "callsPerMonth": 50000,
        "cheapestPlanSlug": "pro",
        "cheapestUsdPerMonth": 1500,
        "perPlanUsdPerMonth": {
          "developer": 2450,
          "startup": 1700,
          "pro": 1500,
          "proPlus": 2500
        }
      },
      {
        "callsPerMonth": 90000,
        "cheapestPlanSlug": "proPlus",
        "cheapestUsdPerMonth": 2500,
        "perPlanUsdPerMonth": {
          "developer": 4450,
          "startup": 3300,
          "pro": 2700,
          "proPlus": 2500
        }
      },
      {
        "callsPerMonth": 200000,
        "cheapestPlanSlug": "proPlus",
        "cheapestUsdPerMonth": 3500,
        "perPlanUsdPerMonth": {
          "developer": 9950,
          "startup": 7700,
          "pro": 6000,
          "proPlus": 3500
        }
      }
    ]
  }
}

Frequently asked questions

How calculator estimates turn into a real Stripe invoice - overage rates, the mid-cycle invoice threshold, what counts as a call, and whether annual actually saves money.