/vendor/1inch/AgentRouting.json or
/vendor/1inch/AgentContext.json directly.
1inch.io
Overview
Does 1inch.io support MCP?
Yes. 1inch.io has a confirmed MCP implementation. Provides 8 tools for DeFi operations via 1inch Business APIs: documentation search, example catalog, example source (public/unauthenticated), plus authenticated tools for classic swap execution, Fusion intent swap, cross-chain swap, orderbook flows, and API debug/log lookup.
What agentic protocols does 1inch.io support?
As of 2026-06-29, 1inch.io has confirmed support for MCP, proprietary, and self_declared_discovery.
Is 1inch.io's API publicly accessible or partner-gated?
Access varies by protocol: platform mediated, open.
Does 1inch.io explicitly prohibit automated access?
Yes. 1inch.io's terms of service explicitly prohibit automated or scraper access to the public website without prior written permission.
Is 1inch.io agent-ready?
Yes. 1inch.io has a confirmed, agent-callable interface that supports end-to-end workflow completion.
Protocols
No evidence of 1inch.io implementing or referencing the Agent2Agent protocol. The A2A launch partner list (Google, Atlassian, PayPal, Salesforce, SAP, Workday, etc.) does not include 1inch. 1inch's own agent integration surface is MCP-based, documented at business.1inch.com/1inch-mcp, with no A2A involvement found.
No evidence found connecting 1inch.io (a DeFi/crypto aggregator platform) to the Agentic Commerce Protocol. ACP's named launch and early partners are retail/e-commerce merchants such as URBN, Coach, Kate Spade, Revolve, Ashley Furniture, and Salesforce — none are crypto or DeFi platforms. 1inch.io operates in a domain (decentralized finance) structurally outside ACP's current merchant ecosystem, and no vendor-specific mention appears in any ACP-related source.
No evidence that 1inch.io participated in or was named as part of the AP2 (Agent Payments Protocol) launch when Google donated the protocol to the FIDO Alliance in April 2026. The 60 confirmed launch partners include Adyen, American Express, Coinbase, Mastercard, PayPal, Revolut, and Worldpay — all traditional payment infrastructure players or major fintechs; 1inch, a DeFi/DEX aggregator, does not appear among them. No 1inch-specific AP2 documentation, integration announcement, or standard-body participation was found.
Provides 8 tools for DeFi operations via 1inch Business APIs: documentation search, example catalog, example source (public/unauthenticated), plus authenticated tools for classic swap execution, Fusion intent swap, cross-chain swap, orderbook flows, and API debug/log lookup. Covers swap, portfolio, balance, token, gas price, and transaction APIs across 13+ chains.
1inch Business operates an official hosted MCP server at https://api.1inch.com/mcp/protocol, documented at https://business.1inch.com/portal/documentation/ai-integration/ecosystem. The server supports Claude Code, Cursor, Windsurf, VS Code Copilot, JetBrains AI Assistant, OpenAI Codex, and Gemini CLI via a single server URL. A separate community-built MCP wrapper (github.com/vaibhavgeek/one_inch_mcp) also exists but is unofficial and not sanctioned by 1inch.
No evidence found that 1inch.io participates in the MPP ecosystem as a provider or consumer. The confirmed MPP launch partners listed across official and third-party sources include Anthropic, DoorDash, Adyen, Coinbase, Visa, Stripe, and Tempo itself — 1inch is not among them. 1inch is a DeFi DEX aggregator with no apparent alignment to the fiat/stablecoin machine-payment settlement model MPP is designed for.
No evidence that 1inch.io (a DeFi aggregator and DEX ecosystem) is among the known NLWeb pioneer/launch partners. Named pioneers confirmed by Microsoft include Tripadvisor, O'Reilly Media, Delish, Qdrant, Shopify, Snowflake, Common Sense Media, Chicago Public Media, Milvus, and Inception — none of which are crypto/DeFi platforms. No 1inch.io presence on NLWeb partner lists, GitHub contributors, or related Microsoft announcements was found.
1inch.io/1inch.com is a DeFi token swap aggregator focused on decentralized finance (DEX aggregation, limit orders, cross-chain swaps); it is not a retail merchant or e-commerce platform. No evidence found of 1inch participating in, announcing, or integrating the Universal Commerce Protocol. Searches surfaced only Google, Shopify, and traditional retail participants as UCP adopters — not DeFi or crypto-native platforms. Not confirmed_absent because no vendor-specific statement from 1inch was found; absence is simply a product of 1inch operating in an entirely different commerce vertical.
No evidence found that 1inch.io has implemented WebMCP. The protocol is an early-stage Chrome origin trial (available from Chrome 149) co-developed by Google and Microsoft; named adopters in coverage include Cloudflare Browser Run and various CRM/SaaS platforms, not 1inch or DeFi aggregators. No 1inch-specific WebMCP announcement, launch-partner listing, or developer reference was found in two targeted searches.
No evidence found of 1inch.io implementing or adopting the x402 HTTP 402 stablecoin payment protocol. The only mention of '1inch' in x402 community resources is as one of several DEX venues that a third-party x402-enabled app (EZ-Path) routes through — not as an x402 implementer in its own right. Named x402 launch partners and ecosystem participants include Coinbase, Cloudflare, GoldBean, and OpenZeppelin, but not 1inch.
No evidence found of 1inch (1inch.io) having built or submitted an app using OpenAI's Apps SDK for the ChatGPT Apps platform. Searches surfaced only 1inch's own DeFi API products (Swap API, business.1inch.com) and general OpenAI Apps SDK documentation — no 1inch-specific ChatGPT app listing, submission announcement, or SDK integration. The OpenAI ChatGPT Apps store launched for third-party submissions in 2025, but 1inch does not appear among the DeFi/crypto integrations present or announced.
DEX aggregation and DeFi infrastructure REST API suite covering token swaps (Classic Swap, Intent/Fusion Swap, Cross-Chain Swap), orderbook/limit orders, token balances, spot prices, portfolio, gas prices, NFT data, transaction history, traces, Web3 RPC, and domain resolution — across 13+ EVM and Solana chains. A free Dev plan (self-serve, 1 RPS / 100k calls/month) and paid subscription tiers are available via self-service sign-up at the 1inch Business Portal; enterprise rate limits require contacting sales.
1inch operates a comprehensive proprietary REST API suite branded as '1inch Business,' documented at https://portal.1inch.dev/documentation. The portal offers a self-serve free Dev plan and paid subscription tiers starting at $20/month, with enterprise plans requiring sales engagement. No evidence was found of a separate supply-side or partner-management API distinct from this unified developer portal.
Machine-readable index of all 1inch Business Portal APIs (DeFi swaps, token balances, pricing, agentic trading across 13+ chains), intended as the canonical entry point for AI agents and automation tools that do not use MCP. Follows the llmstxt.org specification.
1inch explicitly publishes an llms.txt file at business.1inch.com following the llmstxt.org specification; the documentation overview at https://business.1inch.com/portal/documentation/overview describes it as 'the canonical, machine-readable index of all APIs (recommended for AI agents and automation),' and the AI integration ecosystem page at https://business.1inch.com/portal/documentation/ai-integration/ecosystem positions it as the non-MCP path for agents. The file is expected at https://business.1inch.com/llms.txt per spec convention, though direct HTTP fetch was not possible from this environment. No equivalent self-declaration file was found on the 1inch.io root domain itself; the vendor's API/developer surface is hosted under business.1inch.com.
Summary
Has agent interface: true
Integrate via the official 1inch MCP server at https://api.1inch.com/mcp/protocol (documented at https://business.1inch.com/portal/documentation/ai-integration/ecosystem); for non-MCP agents, use the proprietary REST API suite (portal.1inch.dev) with an API key obtained via self-serve registration, and consult the llms.txt index at business.1inch.com/llms.txt as the canonical machine-readable entry point.
AgentContext
Verified discrepancies
Vendor claim: 1inch markets itself as a zero-fee DEX aggregator and its blog post is titled 'Swap tokens on 1inch with 0 fee.' The consumer-facing help center states users 'usually do not pay gas fees' and implies low or no platform fees on swaps.
What actually happens: 1inch silently captures 'positive slippage' (swap surplus) on trades where execution ends up better than the quoted price, retaining it at the API-provider level rather than passing it to the user. Additionally, 'infrastructure fees' are deducted directly from the destination token amount on Swap API transactions — meaning the user receives fewer tokens than the pre-swap quote implies, without a clear line-item disclosure at the point of the quote. These are distinct from and in addition to gas and liquidity-provider fees.
Agent guidance: Before finalizing any swap on 1inch, an agent should compare the quoted output amount against the actual received amount recorded on-chain after execution. The agent must not treat the pre-swap quoted output as the guaranteed settlement amount. For API-based integrations, the agent should check the 1inch Business infrastructure fee schedule and account for that deduction from the destination token amount before presenting expected proceeds to the user.
- 1inch's own Help Center article states that positive slippage (swap surplus) 'is determined at the API-provider level (operated by 1inch Business), which retains the surplus' and that 'certain swaps may include infrastructure fees, which are charged when you use the service' — disclosed only in a help article, not in the swap UI quote.
- 1inch Business documentation confirms infrastructure fees 'are deducted from the destination amount of each completed Network Request' and are separate from subscription fees, but are not surfaced as a line item in the user-facing swap quote flow.
Vendor claim: 1inch presents itself as a DEX aggregator and swap interface that routes trades for users, implying it is facilitating transactions on the user's behalf.
What actually happens: 1inch's own Terms of Use and Commercial API Terms explicitly disclaim any merchant-of-record or counterparty role: the platform asserts it holds no liability for transaction outcomes, cannot commit to providing services, cannot enter contracts or receive payments on behalf of users, and pushes full dispute and loss responsibility onto the user or the integrating party. Trades execute against on-chain liquidity pools or third-party resolvers, meaning there is no identifiable legal counterparty a user can dispute with. The 1inch DAO has even voted to hire permanent legal counsel specifically to address unresolved liability and legal-personality questions, acknowledging the ambiguity is real and ongoing.
Agent guidance: An agent completing a swap on 1inch.io must inform the user before execution that there is no legal counterparty and no dispute or refund mechanism: if a trade executes at an unexpected price, produces slippage beyond tolerance, or funds are lost to a smart-contract failure, neither 1inch nor any identifiable entity bears liability. The agent should confirm the user has independently set and verified slippage tolerance and deadline parameters, and should not proceed if the task requires any post-transaction recourse guarantee.
- 1inch's Terms of Use state that users must indemnify '1inch Parties' for all claims arising from use of the platform, and disclaim all implied warranties — making clear 1inch does not accept counterparty liability for swaps.
- 1inch's Commercial API Terms explicitly state that API users 'shall not … enter any contracts, or receive any payments … on behalf of 1inch' and that '1inch has no responsibility or liability whatsoever' for integration outcomes or trade results.
- CryptoNews reported that 1inch DAO voted to hire permanent legal counsel to address unresolved issues including 'liability concerns, contractual ambiguities, lack of legal recognition' — confirming the counterparty identity problem is live and unresolved.
Vendor claim: 1inch presents itself as a universal DeFi swap aggregator covering 13+ chains, implying any user can swap, provide liquidity, stake, or farm through the platform — no prominent upfront disclosure on the main interface narrows this offer by geography before a user attempts a transaction.
What actually happens: 1inch applies geo-restrictions that silently block or limit swap and liquidity participation for users connecting from sanctioned countries and, notably, US IP addresses. Users may navigate to the swap interface, configure a trade, and only encounter the restriction at or after execution time rather than before entering their transaction parameters.
Agent guidance: Before initiating any swap, liquidity, staking, or farming transaction on 1inch, an agent must first verify that the user's jurisdiction is not on 1inch's restricted-territory list. Do not assume transaction completion is possible based solely on the presence of the swap UI — check the Help Center restricted-territory article or attempt a dry-run quote and confirm no geo-block error is returned before committing funds or reporting a route as available.
- 1inch's own Help Center article documents that users connecting from sanctioned-country IP addresses are ineligible for swapping, liquidity provision, staking, and farming, framing these as 'regulatory concerns' added after initial platform launch.
- The Block reported that 1inch began blocking US trades at the interface level as a regulatory precaution, confirming the restriction is IP-based and was introduced mid-platform-lifecycle rather than disclosed from inception.
Human handoff required for
Escalate to a human when the actual on-chain received token amount differs materially from the pre-swap quoted output amount, because 1inch silently deducts infrastructure fees from the destination token and retains positive slippage at the API level, meaning the shortfall cannot be attributed to a line-item fee the user consented to.
Escalate to a human before executing any swap where the user's task requires post-transaction recourse, dispute resolution, or a refund guarantee, because 1inch's Terms of Use explicitly disclaim all counterparty liability and there is no identifiable legal entity a user can dispute with if a trade executes at an unexpected price or funds are lost.
- 1inch's published Terms of Use (updated May 2026) and Commercial API Terms (November 2025) explicitly disclaim all counterparty liability, stating that 1inch does not act as a merchant of record, cannot enter contracts on users' behalf, and bears no responsibility for swap outcomes.
- A CryptoNews report confirmed that the 1inch DAO has acknowledged unresolved liability and legal-personality ambiguities by voting to retain permanent legal counsel, indicating the counterparty ambiguity is structural and ongoing.
Escalate to a human when a swap route appears valid in the UI but execution fails or is blocked due to a geo-restriction, because users connecting from US IP addresses or sanctioned countries may configure a full transaction before encountering a hard block at execution time, with no prominent upfront disclosure on the main interface.
Five categories were checked for 1inch.io. Pricing (discrepancy_pricing): Scans found material evidence that 1inch markets swaps as zero-fee while silently deducting infrastructure fees from destination token amounts and retaining positive slippage, creating a gap between quoted and received amounts. Identity (discrepancy_identity): Scans confirmed that 1inch's own Terms of Use and Commercial API Terms disclaim all counterparty and merchant-of-record status, and that the 1inch DAO has acknowledged ongoing legal-personality ambiguity by hiring permanent legal counsel. Undisclosed constraints (discrepancy_undisclosed_constraint): Scans confirmed IP-based geo-blocking of US and sanctioned-country users that is not prominently disclosed before transaction configuration. Availability (discrepancy_availability): No vendor-specific misrepresentation was found beyond standard, disclosed DeFi slippage mechanics. Policy (discrepancy_policy): No evidence of stated policies being systematically enforced contrary to their written terms was found; deprecated gas refund programs were disclosed as time-limited. All five category scans returned results; none were blocked or missing.