# 1inch Swap API vs 0x Swap API (2026) | TradingAgentStack

> 1inch Swap API vs 0x Swap API: assets, live vs paper, order approval and safety controls, pricing and rate limits, each with a source.

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# 1inch Swap API vs 0x Swap API

By [Ahsen (@satovinci)](https://tradingagentstack.com/about/)

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.

| Field | [1inch Swap API](https://tradingagentstack.com/tool/1inch-swap-api/) | [0x Swap API](https://tradingagentstack.com/tool/0x-swap-api/) |
| --- | --- | --- |
| Category | On-chain & DeFi trading agents | On-chain & DeFi trading agents |
| Assets | EVM DEX liquidity | EVM chains, Solana |
| Live vs paper | live (on-chain swaps) | live (on-chain swaps) |
| Order approval / safety | DEX aggregator API: quotes and swap calldata your own wallet or agent signs; you keep custody | aggregator API for swaps, gasless and cross-chain trades; you sign transactions with your own wallet |
| Pricing / free tier | Dev 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 available | standard plan charges 0.15% on swaps of select pairs; paid plans from $1,000 (5 RPS); custom high-volume plans |
| Rate limits | 60 req/min free; 10-40 req/s paid | 5 RPS on the $1,000 plan |
| Official / community | official | official |
| Last checked | 2026-11-06 | 2026-11-06 |
| Source | [business.1inch.com](https://business.1inch.com/pricing) | [0x.org](https://0x.org/pricing) |
| Website | [Visit 1inch Swap API](https://tradingagentstack.com/go/1inch-swap-api/?from=/compare/1inch-swap-api-vs-0x-swap-api/) | [Visit 0x Swap API](https://tradingagentstack.com/go/0x-swap-api/?from=/compare/1inch-swap-api-vs-0x-swap-api/) |

Both are listed under [On-chain & DeFi trading agents](https://tradingagentstack.com/defi-trading-bots-and-agents/), where every tool in the category is shown with the same sourced facts.

Tool pages: [1inch Swap API](https://tradingagentstack.com/tool/1inch-swap-api/) · [0x Swap API](https://tradingagentstack.com/tool/0x-swap-api/). Categories: [On-chain & DeFi trading agents](https://tradingagentstack.com/category/defi-agent/)

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