specification: API Commons Plans specificationVersion: '0.1' schema: https://raw.githubusercontent.com/api-evangelist/interface-research/main/schema/api-commons.yml#/$defs/Plans provider: 0x providerId: 0x created: '2026-05-28' modified: '2026-05-28' tags: - Cryptocurrency - DeFi - DEX Aggregator - Swap - Gasless - Cross-Chain description: >- Commercial pricing plans for the 0x API surface as published at https://0x.org/pricing. Two retail tiers (Standard and Custom) plus a free development tier. The 0x revenue model also includes a 0.15% swap fee on the Standard plan and trade-surplus capture on positive price improvement. plans: - id: 0x-free name: Free / Developer type: freemium description: >- Free entry tier intended for evaluation, prototyping, and low-volume integrations. Create an API key at dashboard.0x.org. Specific request limits and feature gating are not publicly documented; reconcile with the dashboard. entries: - label: API Key description: Free API key for evaluation name: api_key type: feature metric: feature limit: 1 timeFrame: account geo: global domains: - https://api.0x.org unit: 1 price: '0.00' userMultiplied: false - label: Rate Limit description: Conservative rate limit on the free tier (reconcile with dashboard) name: rate_limit type: rate metric: requests_per_second limit: 1 timeFrame: second geo: global domains: - https://api.0x.org unit: 1 price: '0.00' - id: 0x-standard name: Standard type: subscription description: >- Standard commercial tier — $1,000 / month (20% discount on annual billing). Includes 0.15% swap fee, 5 requests per second, 150+ liquidity sources across 9+ chains, 99.99% uptime SLA, real-time Trade Analytics, native monetisation (integrator fee + trade surplus capture), and technical/account support. pricing: currency: USD basePrice: '1000.00' basePeriod: month discounts: - name: Annual Billing percentage: 20 entries: - label: Monthly Subscription description: Standard plan recurring fee name: monthly_fee type: subscription metric: subscription limit: 1 timeFrame: month geo: global domains: - https://api.0x.org unit: 1 price: '1000.00' - label: Rate Limit description: 5 requests per second on the Standard plan name: rate_limit type: rate metric: requests_per_second limit: 5 timeFrame: second geo: global domains: - https://api.0x.org unit: 1 price: '0.00' - label: Swap Fee description: 0.15% (15 bps) fee on swap volume routed through 0x name: swap_fee_bps type: usage metric: percent_of_volume limit: null timeFrame: per_swap geo: global domains: - https://api.0x.org unit: '0.0015' price: '0.0015' - label: Trade Surplus Capture description: 0x retains the positive price improvement (trade surplus) when orders fill better than quoted name: trade_surplus type: usage metric: surplus_capture limit: null timeFrame: per_swap geo: global domains: - https://api.0x.org unit: 1 price: 'variable' - label: Native Monetisation description: Integrator can charge swapFeeBps to swapFeeRecipient name: native_monetisation type: feature metric: feature limit: 1 timeFrame: account - label: Trade Analytics API description: Real-time access to swap and gasless trade history with integrator fee accrual name: trade_analytics type: feature metric: feature limit: 1 timeFrame: account - label: Uptime SLA description: 99.99% API uptime commitment across 9+ chains name: uptime_sla type: feature metric: percent limit: 99.99 timeFrame: month - id: 0x-custom name: Custom (Enterprise) type: enterprise description: >- Custom / Enterprise tier starting at $2,500 / month, scaling with usage. Includes volume-based pricing discounts, 100+ requests per second capacity, support for millions of users, dedicated technical and account support, and bespoke commercial terms. pricing: currency: USD basePrice: '2500.00' basePeriod: month notes: Starting price; final price negotiated based on volume and feature scope. entries: - label: Monthly Subscription description: Custom plan starting fee — scales with usage name: monthly_fee type: subscription metric: subscription limit: 1 timeFrame: month geo: global domains: - https://api.0x.org unit: 1 price: '2500.00' - label: Rate Limit description: 100+ requests per second; bespoke quotas available name: rate_limit type: rate metric: requests_per_second limit: 100 timeFrame: second geo: global domains: - https://api.0x.org unit: 1 price: '0.00' - label: Volume Discounts description: Discounted swap-fee rates negotiated against committed volume name: volume_discount type: discount metric: percent limit: null timeFrame: month references: - name: 0x Pricing Page url: https://0x.org/pricing - name: 0x apis.yml url: https://raw.githubusercontent.com/api-evangelist/0x/refs/heads/main/apis.yml - name: 0x Dashboard (sign up) url: https://dashboard.0x.org/create-account notes: - All paid plans operate against the single api.0x.org base URL across Swap, Gasless, Cross-Chain (private beta), Trade Analytics, and Sources surfaces using a unified `0x-api-key` header. - 0x's revenue model layers three streams on top of the subscription fee on the Standard plan, integrator and 0x volume fees configured per request, and trade-surplus capture by 0x on positive price improvement.