Casap has closed a $56 million Series B round led by Base10 Partners, with strategic investment from Experian and Synchrony, bringing its total funding to about $90 million since its 2023 launch. The company builds an AI-agent platform that handles bank disputes, chargebacks, and fraud end to end for more than 100 financial institutions.
The company reports that its agents cut fraud losses by 51 percent, win 96 percent of chargebacks compared with a 60 percent industry average, and resolve 73 percent of cases with no human involvement. The new capital will push the platform into collections, claims, and more complex exception handling — areas where banks still rely heavily on manual work.
To see why this work matters, consider what a chargeback involves. A customer disputes a transaction, the bank must gather evidence, meet a deadline set by the card network, and argue the case — and it must do this thousands of times a month, across many different kinds of transactions. Miss a deadline or file weak evidence and the bank absorbs the loss. It is repetitive, detail-heavy work, which is exactly the kind of work software agents are designed to take on.
The strategic backing matters as much as the headline number. When the companies that operate at the centre of credit reporting and store-card payments invest in a startup like this, it suggests they see agent-driven dispute handling as part of the plumbing of consumer finance, not a side experiment. The next test will be whether the same approach works in collections and claims, where the conversations are harder and the rules stricter.
Why it matters
Bank back offices are a revealing test for AI agents. Disputes and chargebacks are high-volume, deadline-driven, and expensive to staff, yet they require careful handling of evidence and regulations. Casap’s numbers, if they hold up at larger scale, suggest agents are moving past simple chatbots into work that directly affects a bank’s bottom line. The strategic checks from Experian and Synchrony are also telling: the credit and payments incumbents would rather invest in this shift than watch it from the sidelines.
What happens next is also worth watching. If agents prove themselves in disputes and chargebacks, banks will ask why the same approach cannot handle the rest of the back office — and regulators will ask how those agents are supervised, audited, and held accountable when they get a case wrong. Both questions will shape this market as much as the funding itself.
Source: AgentUnfolded, reported October 29, 2026.