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1inch Swap API

The Swap API from 1inch — 8 operation(s) for swap.

1inch Swap API is one of 14 APIs that 1inch publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

Tagged areas include Swap. The published artifact set on APIs.io includes an OpenAPI specification.

This API exposes 8 operations across 8 paths. It is described by OpenAPI 3.2.0, at version 1.0.0.

Requests are made against a single base URL, https://api.1inch.dev.

8 operations 8 paths 0 schemas 8 GET

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.2.0
API Version
1.0.0
Base URL
https://api.1inch.dev/swap/v6.0
Authentication
HTTP Bearer
Contact
Resource Areas
1

Authentication & Security 1

1inch Swap API declares 1 security scheme for authenticating requests. It accepts HTTP bearer tokens (BearerAuth). By default, every request must be authenticated.

  • BearerAuth — API key issued from https://portal.1inch.dev passed as Authorization: Bearer .

Paths & Operations 8

Across 8 paths, the API surfaces 8 operations — 8 GET. Each is listed below with its method, path, parameters, and response codes.

Swap 8
GET
/swap/v6.0/{chain}/healthcheck
Swap API health check
1 param → 200
GET
/swap/v6.0/{chain}/quote
Get a swap quote
7 params → 200
GET
/swap/v6.0/{chain}/swap
Build a swap transaction
8 params → 200
GET
/swap/v6.0/{chain}/approve/spender
Get aggregator spender address
1 param → 200
GET
/swap/v6.0/{chain}/approve/transaction
Build an approve transaction
3 params → 200
GET
/swap/v6.0/{chain}/approve/allowance
Get current token allowance
3 params → 200
GET
/swap/v6.0/{chain}/liquidity-sources
List supported liquidity sources (protocols)
1 param → 200
GET
/swap/v6.0/{chain}/tokens
List supported tokens for swapping
1 param → 200

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

one-inch-swap-api-openapi.yml Raw ↑

Other APIs 1inch publishes across the network.

1inch Swap API
1inch Orderbook API
1inch Balance API
1inch Spot Price API
1inch Token API
1inch Portfolio API
1inch Gas Price API
1inch Balance API
1inch GasPrice API
1inch Orderbook API
1inch Portfolio API
1inch SpotPrice API
Where this information came from

This is an independent, third-party profile of 1inch Swap API, published by API Evangelist. We do not operate, host, resell, or support these APIs, and we are not affiliated with or endorsed by the company unless stated above. Everything here is built from publicly available information — the company's own site, developer portal, documentation, public repositories, and the specifications it publishes for public use. Nothing is obtained by breaching a system, defeating an access control, or using credentials.

The Kin Score and Agent Readiness rating are independently calculated assessments of a company's public API artifacts, scored against a published rubric. They are not certifications, endorsements, security assessments, or audits.

Corrections, re-scores, and removal are free — no partnership or purchase required, and you do not need to justify the request. A removed company is recorded as unrated, never scored zero for having asked. Acknowledgement within one business day; removal within two.

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