1inch Swap API vs 0x Swap API

By Ahsen (@satovinci)

Side-by-side facts with sources, last checked 2026-11-09.

Verdict: 1inch Swap API: Dev free (100k calls/mo, 60 req/min). 0x Swap API: standard plan charges 0.15% on swaps of select pairs. Safety score: 1inch Swap API 71%, 0x Swap API 41%. They differ on assets, order approval, pricing, rate limits; the table below shows each fact with its source.

Field1inch Swap API0x Swap API
CategoryOn-chain & DeFi trading agentsOn-chain & DeFi trading agents
AssetsEVM DEX liquidityEVM chains, Solana
Live vs paperlive (on-chain swaps)live (on-chain swaps)
Order approval / safetyDEX aggregator API: quotes and swap calldata your own wallet or agent signs; you keep custodyaggregator API for swaps, gasless and cross-chain trades; you sign transactions with your own wallet
Pricing / free tierDev free (100k calls/mo, 60 req/min); Startup $149, Pro $299, Business $599/mo; plus swap infrastructure fees of 2-10 bps (stables) / 5-30 bps (others) by plan; pay-per-request in USDC on Base also availablestandard plan charges 0.15% on swaps of select pairs; paid plans from $1,000 (5 RPS); custom high-volume plans
Rate limits60 req/min free; 10-40 req/s paid5 RPS on the $1,000 plan
Official / communityofficialofficial
Last checked2026-11-062026-11-06
Sourcebusiness.1inch.com0x.org
WebsiteVisit 1inch Swap APIVisit 0x Swap API

Both are listed under On-chain & DeFi trading agents, where every tool in the category is shown with the same sourced facts.

Tool pages: 1inch Swap API · 0x Swap API. Categories: On-chain & DeFi trading agents

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