Know the mid before you accept the quote.
Swap rates and forward curves for borrowers, debt advisers and developers. Check every bank quote yourself, in Excel, in the app or by API.
Starts a 14-day free trial. No card needed. Plans from £250 a month.
Most swap quotes arrive without the mid
The rate sits with the bank, the adviser or the one colleague with a terminal. You ask, you wait, and the number arrives with the margin already in it.
Then the lender, the auditor or the client asks where it came from, and the only answer is the bank's own quote.
“We were wondering if we can do that on our own. Just to see how we can double check the quotation [the bank] is quoting to us.”
A 10-year SOFR swap on $25m
Enter the notional, the dates and the index. The pricer returns the mid in seconds, with the cashflows behind it.
7bp on $25m is about $17,500 a year, or about $175,000 over the ten years, before discounting.
Illustrative quote. Your bank's margin will differ; the trial lets you test your own.Try the free swap calculator →Get your first number in minutes
What most teams do in their first week.
Pick your curve, get it in Excel
Choose the index your deal uses, check the dates and download it.
Keep it live in your model
Install the add-in and type a function. The rate updates every 30 seconds.
See the Excel add-in →
Check the bank's quote
Enter the swap and get the mid to set against their price, or value one you hold.
Within 1bp
of bank mids on the curves customers test. Every curve is timestamped and the method is published, so the auditor can read how it was built.
How we build and validate our curves →“We did a quick check against the [terminal] curves, it was way within a basis point actually.”
“It was right on the money. No concerns on the actual data itself.”
Who uses BlueGamma
Debt advisers
Every analyst on the mandate opens the same curve in their model.
Renewable energy developers
Check the bank's swap quote against the mid before financial close.
Real estate and corporate finance
Value the swaps on your loans at month-end without a terminal.
Private credit and valuation
Forward curves as of the valuation date, with a method the auditor can read.
Bank treasury
An independent second source for the swap quotes your counterparties send.
Fintechs and platforms
One licensed rates API in place of the feeds and scrapers you maintain.
One rates API, licensed for your product
Swap rates, forward curves, discount factors, fixings and swap pricing for 30+ currencies, through one REST API. Build it into your platform, or show it to your own clients.
- Every response carries its valuation time
- Batch up to 50 swap rates in one request
- The same numbers as the app and the Excel add-in
- An MCP server for AI assistants and agents
Showing it to your users? Displaying rates in your product and redistributing the raw data are licensed separately, and we scope both before you integrate.
GET https://api.bluegamma.io/v1/swap_rate ?index=3M EURIBOR&start_date=SPOT&maturity_date=5Y x-api-key: •••••••• { "index": "3M EURIBOR", "start_date": "2026-11-02", "maturity_date": "2031-11-03", "fixed_leg_frequency": "1Y", "floating_leg_frequency": "3M", "valuation_time": "2026-10-29T14:32:05Z", "swap_rate": 3.34567803 }
“It was one of the fastest integrations that I've done.”
How it compares with what you use today
| What you need | Asking your bank | A terminal | Free rate websites | BlueGamma |
|---|---|---|---|---|
| The mid, with no bank margin in it | No: No, you see their price | Yes: Yes | Partly: Some headline rates | Yes: Yes |
| The curve for your index and dates | Partly: On request, often a day later | Yes: Yes | No: Rarely | Yes: 30+ currencies, out to 50 years |
| Live in your Excel model | No: No | Partly: Only on a licensed seat | No: No | Yes: Yes, with the add-in |
| A number your auditor can trace | No: Rarely | Yes: Yes | No: No | Yes: Timestamped, method published |
| Someone to ask when a number looks wrong | Partly: Your relationship manager | Partly: A general help desk | No: No one | Yes: The team that builds the curves |
| What it costs | Free, on the bank's timetable | A licence per person | Free | From £250 a month |
Customer story
Avobis, Swiss debt adviser and mortgage broker“BlueGamma provides exactly the depth of market data we need as a debt advisor and mortgage broker: no unnecessary noise, just precise, relevant information.”Patrick Zurfluh, CEO, Avobis Real Estate AGA financing offer comparison now takes 1 hour instead of 6. Read the case study →
Questions buyers ask us
Where does the data actually come from?
Indicative mid rates, updated through the trading day and checked against traded levels. The method is published, so you can show your auditor how each curve is built.
How close are you to the bank's mid?
Within a basis point of bank mids on the curves customers test. Run the same test in your trial on the curve your deal uses.
Is it the bank's price or the mid?
The mid, with no bank margin or funding cost added. We give you the figure; the decision on the quote stays yours.
How often does it refresh?
About every 30 seconds, on every plan. Every number carries its timestamp.
We only need a curve now and then. Is there a plan for that?
Yes. The Individual plan is one user, monthly by card, and you can cancel at any time.
Can we show the data to our own users?
Showing rates inside your product and redistributing the raw data are licensed separately, and we scope both before you integrate. Book a short call and we'll set out what your plan covers.
Check your next quote yourself
Swap rates and forward curves within a basis point of bank mids.
Starts a 14-day free trial. No card needed. Plans from £250 a month.