Odaily News On November 28, Bitcoin ecosystem service provider UniSat announced that its developer API service officially supports the “less than 1 sat/vB” low-fee transaction model, and simultaneously launched a promotional plan lasting about one month, during which developers can enjoy up to a 60% annual API service discount. This plan will last until December 23 at 16:00 Beijing time. This API functionality upgrade mainly targets Bitcoin and Fractal network transaction cost optimization, allowing developers to broadcast transactions, query UTXOs, and perform engraving operations at a rate lower than 1 sat/vB through the interface. This feature supports processing up to 500 low-fee UTXO records per single request, providing cost control solutions for developers. It is reported that, as a Bitcoin ecosystem infrastructure operating for over three years, UniSat API continues to provide complete on-chain data query services for multiple mainstream Bitcoin protocols such as Ordinals, Runes, and Alkanes. The system currently has a processing capability of 500 requests per second and has cumulatively completed over 11 billion request responses, offering multi-tiered service packages from professional to enterprise versions and a pay-as-you-go model.
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