Quote and route a token swap across every venue at once
DEX aggregation across a hundred-plus venues: price, quote and gasless swap routing on one endpoint, with no aggregator account and no per-key rate limit.
What it does
An indicative price and a firm quote for a Permit2 swap, the gasless variants of both — where a relayer pays gas and you sign an EIP-712 message instead of broadcasting a transaction — submit and status for that gasless flow, and chain and approval-token lists to check support before quoting. The quote returns the transaction or the typed data; your wallet signs and submits.
None of these requests carries a payment header. This is the one job on the site that is free for callers, so the sections below say what a request looks like rather than what it costs.
The call
One endpoint, no API key and no account — and no payment header: every request on this card is free for callers.
GET /api/v1/zerox/quote
Host: blockrun.aiWhat it costs
Why there is no bill
This service is a public passthrough: no seat, no key, and no per-request charge. The paid services on the site use the same endpoint shape with one extra step, a price quoted before the call runs. How that payment works →
Questions
Does this execute the swap?
It prices and routes it and returns a transaction to sign; your wallet still signs and submits.
What does a quote cost?
Quotes are free for callers — the rate for this service is shown on this page.
Is gasless supported?
Yes, via Permit2 and the gasless flow described in the docs.
How many venues are aggregated?
Over a hundred, routed for best execution at request time.