Halliday

Halliday is a blockchain company and product lab building a unified, cross-chain payments ecosystem. Its flagship product, Halliday Payments, is an end-to-end deposit platform that lets applications embed a single deposit flow covering crypto wallets, centralized exchange transfers, fintech balances, cards and bank rails, so users can fund an account with any token on any chain or with fiat without leaving the host app. The company also develops an Agentic Workflow Protocol, an engine that lets developers stitch financial services — such as verifying a transaction or issuing a payment — into automated workflows, optionally incorporating agentic AI for decision-making. The protocol handles multi-chain routing, gas payments, retries, transaction formation and batch scheduling.

The product is offered as a drop-in widget or a headless API, with a sandbox environment, webhooks for order events, versioned APIs, example apps and AI coding plugins. Halliday states the system is fully self-custodial: users connect their own wallets and retain control of funds. Stated coverage includes 200+ wallets, 40+ networks, 250+ tokens, 150+ countries and 64+ currencies, with onramp partners including Banxa, Binance, Blockchain.com, Coinbase Onramp, Crypto.com, MoonPay, Ramp Network, Stripe and Transak, and bridging via Stargate. A settlement feature provides cross-chain virtual deposit addresses.

Halliday's earlier product, described at the time of its 2022 seed round, was a "buy now, pay later"-style, interest-free financing product for in-game blockchain purchases. Rather than charging penalty fees or reporting delinquencies, Halliday held purchased assets in custody using smart contracts that wrapped NFTs, transferring custody once payments were complete, and repossessing the asset on default.

Founding story

Halliday was founded in November 2021 by Akshay Malhotra and Griffin Dunaif, initially to build an interest-free, BNPL-style financing product for in-game blockchain purchases. Dunaif, then CTO, said the team was struck by the fact that blockchain game economies contain digital property with real-world value that can be difficult for players to acquire and own; Malhotra, then CEO, previously worked in the hedge fund industry. Dunaif is later described as CEO and co-founder.

Business model

Halliday sells its deposit platform to application developers on a usage-based basis, priced per successful deposit, with a pay-as-you-go tier carrying no commitments and a custom tier offering commitment discounts and forward-deployed resources. One agreement is stated to cover every rail, vendor and market. For the Agentic Workflow Protocol, the company said it would charge customers based on how much computing power their workflow requires.

Usage-based fees charged per successful deposit, with custom volume-based contracts; workflow protocol usage priced on computing resources consumed. In its earlier gaming BNPL product, Halliday planned an initial fee to users to cover costs, with the intention of reducing it over time.

Traction

Halliday reports integrations across the ecosystem, including work with ApeChain, Story and DeFi Kingdoms. A Story case study states onboarding time for acquiring the IP token fell from about 30 minutes to seconds, with integration taking hours rather than months. After announcing its early access program in late February 2025, the company said it received over 11,000 product access requests. At the time of the 2022 seed round the team had six people and planned a beta launch with League of Kingdoms.

Latest developments

In March 2025 Halliday announced a $20 million Series A led by Andreessen Horowitz, with Avalanche Blizzard Fund, Credibly Neutral and Alt Layer participating, to accelerate product deployment and expand the team; the valuation was not disclosed. The Agentic Workflow Protocol early access program, announced in late February 2025, was to roll out in the second quarter of 2025. The company's site now presents Halliday as an end-to-end deposit platform backed by $26 million led by Andreessen Horowitz, with documentation covering payments SDK, API and AI coding plugins.