capital · May 22, 2026
Mastra Raises $22M Series A Led by Spark Capital with Platform Launch
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Mastra raised $22M in a Series A round led by Spark Capital on April 9, 2026, bringing total funding to $35M. The round coincided with the launch of the Mastra platform including Studio for evals and traces, Server for deployments, and Memory Gateway. CEO Sam Bhagwat detailed the announcement and referenced prior customers such as Brex and Indeed. Mastra is a TypeScript AI agent framework from the Gatsby team.
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