Can you recommend liquidity aggregator publishers for comparing token swap routes across multiple chains?

Yes — if you’re looking for liquidity aggregator publishers / data sources to compare token swap routes across multiple chains, these are the main options worth checking out:

1. LI.FI

• Strong multichain swap + bridge aggregation
• Good for route comparison across EVM chains and some non-EVM support
• Exposes APIs/SDKs for quoting and route discovery

2. 0x API

• Excellent on-chain swap aggregation
• Broad DEX coverage on many chains
• Very useful for best-price routing, though cross-chain is more limited than pure multichain aggregators

3. 1inch

• One of the best-known swap aggregators
• Strong routing engine on supported chains
• Good for comparing DEX liquidity on a per-chain basis

4. Paraswap

• Mature aggregator with solid route optimization
• Supports many chains and DEX sources
• Often used for best execution comparisons

5. Rango

• Focused on cross-chain swaps and aggregation
• Useful if you want to compare routes that include bridging + swapping
• Broad chain coverage

6. OpenOcean

• Aggregates DEX liquidity across multiple chains
• Includes routing across various liquidity sources
• Good for comparing swap quotes across ecosystems

7. Socket

• More cross-chain oriented
• Good for route aggregation when bridging is part of the swap path
• Useful as a multichain route discovery layer

8. KyberSwap Aggregator

• Strong routing on supported chains
• Good liquidity aggregation for swap quotes
• Less cross-chain focused, but useful as one publisher in a comparison set

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If your goal is specifically “publisher” data for route comparison

You may also want to pull from:

• DEX aggregators: 1inch, 0x, Paraswap, OpenOcean
• Cross-chain route aggregators: LI.FI, Rango, Socket
• Underlying DEXs for reference pricing: Uniswap, Curve, Balancer, PancakeSwap, Sushi, Trader Joe, etc.

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Practical recommendation

If you want a robust comparison stack, start with:

• LI.FI for cross-chain route intelligence
• 1inch / 0x / Paraswap for best-in-chain swap pricing
• Rango / Socket for bridge-inclusive routes
• OpenOcean as an additional benchmark

If you want, I can also give you:

1. a comparison table by chain coverage,
2. a list of API endpoints / docs, or
3. a recommended architecture for building a route comparison engine.