Junction

DeFi's multi-chain era has a routing problem. Liquidity is spread across dozens of protocols and blockchains, yet moving assets between them typically requires switching interfaces, managing multiple wallets, and manually hunting for the best price. Junction, a Singapore-incorporated startup that opened its beta in April 2025, is attacking that fragmentation head-on — not by building new liquidity pools, but by wiring together the ones that already exist.

Junction describes itself as a cross-chain DeFi exchange that aggregates smart-routed swaps, one-call bridges, perpetual futures, yield opportunities, and fiat on-ramps into a single interface and a single API. The platform does not hold custody of assets or operate its own liquidity books. Instead, it functions as a routing layer that queries multiple underlying protocols simultaneously, selects the most favorable path for the user, and executes it in as few transactions as possible.

The Product Suite

Junction bundles four distinct products under one roof.

Junction Exchange is the consumer-facing interface. Users can swap tokens across blockchains, bridge assets with a single click, open leveraged perpetual positions on Hyperliquid, deposit into Morpho lending vaults to earn yield, stake with validators, and convert fiat to crypto via MoonPay — all without leaving the platform. The intent is to approximate the simplicity of a centralized exchange while keeping the user in self-custody throughout.

Junction API is the developer-facing product and, arguably, the company's primary long-term bet. The API exposes the full capabilities of the Exchange — routing, bridging, perpetuals, lending, fiat on-ramps — through a unified REST endpoint, a GraphQL gateway, and a TypeScript SDK. Any application, wallet, or bot can express an intent such as "swap X for Y at best rate" and receive an executable route without implementing the underlying protocol integrations itself. The free tier allows 10 requests per second and 100,000 daily requests, with a 0.30% commission per routed transaction.

Junction Earn is an affiliate and referral layer that lets participants share fee discounts and earn from volume they refer to the platform.

Junction Connector is a multi-wallet account management solution designed to let users and applications access the Exchange and API from any wallet across supported ecosystems.

Routing Architecture

Junction does not replace the protocols it aggregates — it composes them. On the swap and bridge side, the routing engine works through 1inch, LiFi, 0x, Socket, OpenOcean, Circle CCTP, THORChain, Maya Protocol, SwapKit, and Chainflip, selecting the optimal path across available liquidity at the moment of execution. For yield, it connects to Morpho lending vaults. For perpetuals, it pipes directly into Hyperliquid's on-chain order book with USDC margin. Fiat conversion is handled through MoonPay with KYC delegated to the provider.

At beta launch, Junction supported more than 30 blockchains, including Ethereum, Arbitrum, Optimism, Base, Polygon, BNB Chain, Avalanche, Solana, Hyperliquid L1, and a wide range of Cosmos zones. Bitcoin and other UTXO chains are accessible via THORChain and Maya Protocol integrations.

AI Agent Integration

One aspect of Junction's design that sets it apart from conventional aggregators is its explicit positioning toward AI agents. The platform publishes machine-readable discovery files — /llms.txt, /llms-full.txt, /.well-known/agent.json, and /.well-known/ai-plugin.json — that allow AI systems to automatically discover and understand its capabilities. The API exposes a Model Context Protocol (MCP) server at https://api.junction.exchange/mcp using Streamable HTTP, enabling large language models and autonomous agents to call swap, bridge, perpetual, and lending functions as native tools, authenticated via Bearer tokens or OAuth 2.0 with granular scope control.

This design reflects a broader thesis: as AI agents increasingly manage on-chain tasks on behalf of users, the infrastructure layer they call into matters. A single, unified DeFi API with standardized authentication and well-documented capabilities is more practical for an autonomous system than a patchwork of protocol-specific integrations.

$JUN Token

In August 2025, Junction announced the $JUN native utility token. The token is designed to power discounts on transaction fees for holders, offer passive income through staking, provide access to Junction launchpad events, and enable gas-free transactions within the ecosystem. Full tokenomics details, including supply, vesting schedules, and a live contract address, had not been publicly released at the time of the announcement.

Team and Backers

Junction is incorporated as Junction Pte. Ltd. in Singapore and was built by a team of DeFi and security engineers. The company has assembled an advisory bench with direct experience in the protocols its routing layer connects to. Advisors include Nicolas Bacca, co-founder of Ledger and creator of BTChip, the first smartcard-based Bitcoin security solution; Anton Bukov, co-founder and lead architect of 1inch Network, one of the original DEX aggregators; and contributors from Chorus One, a prominent Solana validator and staking infrastructure operator.

The combination of Ledger's hardware security expertise, 1inch's aggregation experience, and Chorus One's validator and staking knowledge maps directly onto Junction's product pillars: self-custody exchange, liquidity routing, and staking infrastructure.

Status and Outlook

Junction entered public beta in April 2025. The June 2025 roadmap signaled a phased approach: consolidate the core routing experience and user onboarding before scaling growth. The $JUN token announcement in August 2025 added a community incentive layer to that trajectory.

The platform occupies a contested category — cross-chain aggregation is also challenged by DeBridge, Rango, RocketX, and others — but Junction's differentiation lies in two areas. First, the depth of its vertical integration: most aggregators handle swaps and bridges, while Junction routes perps, lending, and fiat on-ramps through the same interface and API surface. Second, its native orientation toward AI agent consumers rather than retrofit compatibility. If autonomous DeFi agents become a meaningful volume source, the investments Junction has made in MCP infrastructure and machine-readable API discovery could prove to be well-timed bets.

For Solana users specifically, Junction provides a path to use Solana-native assets across the broader cross-chain ecosystem — bridging out, accessing Hyperliquid perps, or depositing into Morpho vaults on EVM chains — from a single interface and without switching protocols. In the other direction, it brings external liquidity sources within reach of Solana-side routing.