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dat.com APIdat.com ↗

Access DAT freight market conditions, diesel fuel prices, historical rate trends, and blog content via a structured API. Van, reefer, and flatbed data included.

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About the dat.com API

The DAT.com API exposes 6 endpoints covering freight market conditions, diesel fuel prices, and up to 3 years of monthly rate history across equipment types. The get_market_conditions endpoint returns load-to-truck ratios and spot rate percentage changes for van, reefer, flatbed, and national segments on week-over-week, month-over-month, and year-over-year bases — without requiring a DAT subscription.

Market Conditions and Fuel Prices

get_market_conditions returns trend objects for four segments — vanTrends, reeferTrends, flatbedTrends, and nationalTrends — each carrying percentage changes in load-to-truck ratio and spot rate across three time horizons. nationalTrends also includes load posting and truck posting change data. get_fuel_prices returns two fields: when (the report date in YYYY-MM-DD format) and pricePerGallon USD, the national average diesel price.

Historical Rate Trends

get_rate_trends accepts two optional parameters — equipment (VAN, REEFER, or FLATBED) and rate_type (SPOT or CONTRACT) — and returns an array of monthly rate objects spanning approximately 36 months. Each object includes year, month, rateUSD (national average per mile), and averageFuelSurchargePerTripUsd. This makes it suitable for time-series analysis without managing your own historical data collection.

Blog and Resource Library

get_blog_posts retrieves posts from DAT's 'The Edge' blog, returning 12 posts per page with fields including title, content, date, img_url, category_name, and url. A total_records count enables pagination planning. search_resources queries the DAT resource library — covering guides, white papers, and toolkits — by keyword, returning objects with id, name, content, excerpt, url, date, slug, and image URLs, along with total_pages, total_posts, and current_page for full pagination control.

Common use cases
  • Monitor weekly load-to-truck ratio shifts across van, reefer, and flatbed segments to time freight procurement decisions.
  • Track national diesel price movements using get_fuel_prices to model carrier cost exposure in fuel surcharge calculations.
  • Build 3-year rate trend charts by equipment type and rate type using the monthly rateUSD and averageFuelSurchargePerTripUsd fields.
  • Feed contract vs. spot rate comparisons into shipper dashboards using get_rate_trends with different rate_type values.
  • Aggregate DAT blog content into industry newsletters or internal logistics briefings using get_blog_posts.
  • Index DAT white papers and guides in an internal search tool using search_resources keyword filtering and pagination.
  • Alert systems that flag when year-over-year spot rate changes exceed a threshold, using nationalTrends fields from get_market_conditions.
Pricing & limitsSee full pricing →
TierPriceCredits/monthRate limit
Free$0/mo1005 req/min
Hobby$30/mo1,00020 req/min
Developer$100/mo5,000250 req/min

One credit = one API call regardless of which marketplace API you call. Exceeding the rate limit returns a 429 response. Authenticate with the X-API-Key header.

Frequently asked questions
Does DAT have an official developer API?+
Yes. DAT offers the DAT Developer API for freight rate data and load board access, documented at developer.dat.com. It requires a DAT account and separate API credentials. The Parse API provides access to market trend and content data without that credential setup.
What time horizons does `get_market_conditions` cover?+
get_market_conditions returns percentage changes for three periods: week-over-week, month-over-month, and year-over-year. Each of the four trend objects (van, reefer, flatbed, national) includes both load-to-truck ratio and spot rate changes across all three horizons. It does not return absolute rate values — only directional percentage changes.
Can I retrieve rate trend data for a specific lane or origin-destination pair?+
Not currently. get_rate_trends returns national averages aggregated by equipment type (VAN, REEFER, FLATBED) and rate type (SPOT, CONTRACT). Lane-level or origin-destination breakdowns are not exposed. You can fork this API on Parse and revise it to add a lane-specific endpoint if that granularity is available from the source.
Does the API expose real-time load board postings or individual shipment data?+
No individual load postings or carrier-level data are returned. The API covers aggregate market indicators — load-to-truck ratios, spot rate trends, fuel prices, and historical monthly averages. You can fork the API on Parse and revise it to add an endpoint targeting load board listing data if that use case is needed.
How far back does the historical rate data in `get_rate_trends` go?+
The endpoint returns approximately 3 years of monthly data per equipment type and rate type combination. Each monthly record includes year, month, rateUSD, and averageFuelSurchargePerTripUsd. The exact start date depends on what DAT publishes and may shift over time.
Page content last updated . Spec covers 0 endpoints from dat.com.
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