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X has officially announced the launch of its Pay-Per-Use X API, signaling a major shift in how developers access and scale applications on the platform. The new model is designed to align API costs directly with usage, offering more flexibility while tightening free access.
Free Access Limited to Public Utility Apps
Under the updated framework, free API access will now be restricted exclusively to public utility applications—tools that serve broad public interest such as emergency alerts, accessibility services, or civic information platforms. This move narrows the scope of free usage while prioritizing high-impact, non-commercial use cases.
Legacy Free Users Transition to Paid Model
Developers previously on legacy free plans will be transitioned to the new pay-per-use structure. To ease the shift, X is offering a $10 usage voucher, allowing developers to explore the new pricing model before incurring direct costs.
Opt-In Available for Basic and Pro Plans
Developers on Basic and Pro API plans can now opt into the pay-per-use system, enabling more granular control over costs as their applications scale. This provides flexibility for startups and growing platforms that prefer usage-based billing over fixed tiers.
What This Means for Developers
The launch reflects X’s broader strategy to monetize infrastructure sustainably while supporting serious builders. For developers, it marks a shift toward efficiency-driven API usage—where optimization, scalability, and cost awareness become critical.
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