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DollarMap APIs

Everything you can take from DollarMap to your own website, blog or app, on one page. Paste a widget or a calculator with one line of code, or read our price data as JSON or CSV. Every number keeps its source.

Live price widgets

They refresh on their own: gas every day from AAA, mortgage rates every week from Freddie Mac.

Gas prices today
$4.27regular, per gallon
Mid-grade$4.78
Premium$5.17
Diesel$6.35

−0.3% in a week · +39.8% vs a year ago ($3.05)

AAA averages as of Oct 27, 2026. All states and the 12-month chart

Gas prices today widget

The AAA national average for regular, mid-grade, premium and diesel, updated every day, with a search for any state.

Add this widgetFree for any website. One line of code, always up to date.Get the code

Paste this code where you want it to appear on your page. It keeps itself up to date. Please keep the credit link.

PreviewAll APIs and widgets
Mortgage rates todayWeek of Oct 22, 2026
30-year fixed7.32%▼ 0.08 from last week
15-year fixed6.68%▼ 0.03 from last week

A year ago the 30-year rate was 6.19%.

Freddie Mac Primary Mortgage Market Survey. Chart, payments and history

Mortgage rates today widget

This week’s Freddie Mac 30-year and 15-year rates with the change from last week and a year ago.

Add this widgetFree for any website. One line of code, always up to date.Get the code

Paste this code where you want it to appear on your page. It keeps itself up to date. Please keep the credit link.

PreviewAll APIs and widgets

Calculators

The same calculators as on our guides, with today's prices built in. Your visitors' numbers stay in their browser.

Mortgage calculator

Monthly payment with taxes, insurance and PMI, at this week’s Freddie Mac rate.

Add this calculatorFree for any website. One line of code, always up to date.Get the code

Paste this code where you want it to appear on your page. It keeps itself up to date. Please keep the credit link.

PreviewAll APIs and widgets

Credit card payoff calculator

How long a balance takes to pay off and how much interest an extra payment saves.

Add this calculatorFree for any website. One line of code, always up to date.Get the code

Paste this code where you want it to appear on your page. It keeps itself up to date. Please keep the credit link.

PreviewAll APIs and widgets

Take-home pay calculator

Your paycheck after federal, state, Social Security and Medicare taxes, for every state.

Add this calculatorFree for any website. One line of code, always up to date.Get the code

Paste this code where you want it to appear on your page. It keeps itself up to date. Please keep the credit link.

PreviewAll APIs and widgets

Roof replacement cost calculator

A low-to-high price for a new roof by size, material and region.

Add this calculatorFree for any website. One line of code, always up to date.Get the code

Paste this code where you want it to appear on your page. It keeps itself up to date. Please keep the credit link.

PreviewAll APIs and widgets

Emergency fund calculator

How big your safety net should be and how long it takes to build.

Add this calculatorFree for any website. One line of code, always up to date.Get the code

Paste this code where you want it to appear on your page. It keeps itself up to date. Please keep the credit link.

PreviewAll APIs and widgets

50/30/20 budget calculator

Split take-home pay into needs, wants and savings.

Add this calculatorFree for any website. One line of code, always up to date.Get the code

Paste this code where you want it to appear on your page. It keeps itself up to date. Please keep the credit link.

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Road trip cost calculator

Gas, lodging and food for any drive, at today’s AAA gas price.

Add this calculatorFree for any website. One line of code, always up to date.Get the code

Paste this code where you want it to appear on your page. It keeps itself up to date. Please keep the credit link.

PreviewAll APIs and widgets

Car loan calculator

Monthly payment, total interest and out-the-door price.

Add this calculatorFree for any website. One line of code, always up to date.Get the code

Paste this code where you want it to appear on your page. It keeps itself up to date. Please keep the credit link.

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Rent vs buy calculator

Compare renting with buying at today’s mortgage rate.

Add this calculatorFree for any website. One line of code, always up to date.Get the code

Paste this code where you want it to appear on your page. It keeps itself up to date. Please keep the credit link.

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Wedding budget calculator

Split a wedding budget across venue, food, photos and more.

Add this calculatorFree for any website. One line of code, always up to date.Get the code

Paste this code where you want it to appear on your page. It keeps itself up to date. Please keep the credit link.

PreviewAll APIs and widgets

Dog cost calculator

First-year and yearly cost of a dog by size.

Add this calculatorFree for any website. One line of code, always up to date.Get the code

Paste this code where you want it to appear on your page. It keeps itself up to date. Please keep the credit link.

PreviewAll APIs and widgets

Data feeds

Plain files you can read from any website or app. Anyone can request them from a browser too.

  • JSON

    This week in prices

    Gas, mortgage rates and grocery prices that moved this week, written as a short summary with a link and source for each.

    https://thedollarmap.com/this-week.json
    Updates: Every day
    Open
  • CSV

    DollarMap Cost Index

    Ten everyday prices with the latest value, a year earlier, the change, the date and the source of each.

    https://thedollarmap.com/cost-index.csv
    Updates: Every day
    Open
  • JSON

    Monthly price reports

    Every monthly report: the month, the headline and the full write-up.

    https://thedollarmap.com/reports.json
    Updates: Once a month
    Open
  • CSV

    Price report, October 2026

    The prices in one monthly report. Change the month in the address for an earlier one.

    https://thedollarmap.com/reports/2026-10.csv
    Updates: Once a month
    Open
  • JSON

    All cost guides

    Every published guide: title, short answer, category, last update, calculator and cover picture.

    https://thedollarmap.com/guides.json
    Updates: When a guide changes
    Open
  • RSS

    New guides feed

    New and updated guides, for feed readers and newsletters.

    https://thedollarmap.com/rss.xml
    Updates: When a guide changes
    Open
  • Text

    Site summary for AI tools

    A short map of the site in plain text. /llms-full.txt has every guide in full.

    https://thedollarmap.com/llms.txt
    Updates: When a guide changes
    Open
  • XML

    Sitemap

    Every public page on the site.

    https://thedollarmap.com/sitemap-index.xml
    Updates: Every day
    Open

Example: show this week's headline on your site

const res = await fetch('https://thedollarmap.com/this-week.json');
const week = await res.json();
console.log(week.subject); // this week's headline

The rules

Everything on this page is free for personal, business and news sites. Keep the credit link under a widget, do not change the numbers, and name DollarMap and the original source when you use our data. Full terms are on the data license page.

The numbers are general information, not financial advice. Writing an article? You can cite the Cost Index or a monthly price report, each with a ready-made citation. For a custom size or a feed we do not list here, write to us from the contact page.