Money that
settles itself.

Weir is the settlement layer for onchain apps. Take any token, route it across 30 chains, cover the gas, and land stablecoins in your treasury — one API, no bridges to babysit.

Start building

See the API

Live on 30 chains

380+ teams

$4.2B settled

SOC 2 Type II

Live on 30 chains

380+ teams

$4.2B settled

SOC 2 Type II

One payment. Four moves, one call.

Take whatever the wallet holds.
Find the cheapest path across 30 chains.
Cover the gas so no payment fails.
Land stablecoins, reconciled to the block.

CheckoutOrder 2841

Pay withBalance 1,204.00Exceeds balance 1,204.00

USDT

$0.00

Merchant receivesQuote <400 ms

—USDC

1 USDT = 0.9988 USDC

Route3 sources

Network feeSponsored

Four rails.
One integration.

Each rail works alone. Together they’re one call.

Compare the APIs

Four rails.
One integration.

Each rail works alone. Together they’re one call.

Compare the APIs

Settle API

Any token in, stablecoins out.

Settle API

Any token in, stablecoins out.

Settle API

Any token in, stablecoins out.

Settle API

Route API

One quote across 30 chains.

Route API

One quote across 30 chains.

Route API

One quote across 30 chains.

Route API

Sponsor API

Gasless payments, paid for per app.

Sponsor API

Gasless payments, paid for per app.

Sponsor API

Gasless payments, paid for per app.

Sponsor API

Ledger

Revenue, failures and payouts in one view.

Ledger

Revenue, failures and payouts in one view.

Ledger

Revenue, failures and payouts in one view.

Ledger

380+ teams move money on Weir — wallets, exchanges, payroll apps and treasuries.

driftline

Tallow Markets

Tessera

Corvus Exchange

basil finance

Northlane

Settled: $4.2B
Transfers: 61M
Median quote: under 400 ms

Cumulative settled volumeOct 2024 – Sep 2026

Line chart of cumulative settled volume, monthly, Oct 2024 to Sep 2026. It rises from $564M to $4.2B; the largest month was Sep 2026, adding $282M. Use the left and right arrow keys to read each month.

Cumulative settled volume
Month	Settled to date	Transfers that month
Oct 2024	$564M	1.09M
Nov 2024	$645M	1.16M
Dec 2024	$694M	0.77M
Jan 2025	$782M	1.24M
Feb 2025	$875M	1.29M
Mar 2025	$1.04B	1.98M
Apr 2025	$1.14B	1.31M
May 2025	$1.25B	1.53M
Jun 2025	$1.34B	1.19M
Jul 2025	$1.44B	1.39M
Aug 2025	$1.59B	1.8M
Sep 2025	$1.76B	2.09M
Oct 2025	$1.91B	1.86M
Nov 2025	$2.1B	2.33M
Dec 2025	$2.21B	1.42M
Jan 2026	$2.4B	2.28M
Feb 2026	$2.57B	2.12M
Mar 2026	$2.82B	2.89M
Apr 2026	$3B	2.15M
May 2026	$3.23B	2.69M
Jun 2026	$3.41B	2.24M
Jul 2026	$3.65B	2.77M
Aug 2026	$3.92B	3.08M
Sep 2026	$4.2B	3.17M

Ship it this afternoon.

Typed SDKs, test tokens on every chain, and webhooks that fire exactly once.

npm i @weir/sdk

Sandbox on every chain

Idempotent webhooks

Read the quickstart

POST /v1/settle

1import { Weir } from "@weir/sdk"
2
3const weir = new Weir({ apiKey: process.env.WEIR_KEY })
4
5// Quote a cross-chain transfer, then settle it
6const quote = await weir.quote({
7  from: { chain: "halo", token: "USDC" },
8  to: { chain: "meridian", token: "USDC" },
9  amount: "1000.00",
10})
11
12const transfer = await weir.settle(quote.id)
13console.log(transfer.status) // "settled"

import { Weir } from "@weir/sdk" const weir = new Weir({ apiKey: process.env.WEIR_KEY }) // Quote a cross-chain transfer, then settle it const quote = await weir.quote({ from: { chain: "halo", token: "USDC" }, to: { chain: "meridian", token: "USDC" }, amount: "1000.00", }) const transfer = await weir.settle(quote.id) console.log(transfer.status) // "settled"

quote · 380 ms
route · arclane · 3 steps
settle · block 21,408,377

View on GitHub

Response200 OK

{
  "id": "tr_8f2k41q",
  "status": "settled",
  "amount": "1000.00",
  "token": "USDC",
  "route": ["halo", "arclane", "meridian"],
  "gas": "sponsored",
  "settled_ms": 11020
}{
  "id": "tr_8f2k41q",
  "status": "settled",
  "amount": "1000.00",
  "token": "USDC",
  "route": ["halo", "arclane", "meridian"],
  "gas": "sponsored",
  "settled_ms": 11020
}{
  "id": "tr_8f2k41q",
  "status": "settled",
  "amount": "1000.00",
  "token": "USDC",
  "route": ["halo", "arclane", "meridian"],
  "gas": "sponsored",
  "settled_ms": 11020
}

“We replaced three bridges and a spreadsheet with one Weir call.”

Mara Ilić

Head of Payments, Tessera

Read the story

Tessera

MEDIAN SETTLEMENT

100

ON-TIME PAYOUTS IN Q3

Built to be
boring.

Money infrastructure should be the least exciting part of your stack.

Read the security overview

Built to be
boring.

Money infrastructure should be the least exciting part of your stack.

Read the security overview

Audited

Three independent audits. Reports are public.

Read the reports

Audited

Three independent audits. Reports are public.

Read the reports

Audited

Three independent audits. Reports are public.

Read the reports

Always on

99.99% uptime, trailing twelve months.

Status page

Always on

99.99% uptime, trailing twelve months.

Status page

Always on

99.99% uptime, trailing twelve months.

Status page

Your keys

Non-custodial by default. You hold the keys.

How custody works

Your keys

Non-custodial by default. You hold the keys.

How custody works

Your keys

Non-custodial by default. You hold the keys.

How custody works

Questions, answered.

Talk to an engineer

Most teams settle a first sandbox payment the same afternoon. Sandbox quotes match mainnet, so going live is a key swap, not a rewrite.

Ready when your product is.

Start building

Talk to sales

Money that
settles itself.

One payment. Four moves, one call.

Four rails.
One integration.