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Web Services Technical Information

CareerOneStop offers a wide variety of employment and labor market data as Web Services. Using our Web Services, you can integrate CareerOneStop data and site functionality into your website.

Learn more about the Web Services we offer below. Note that Web Services are offered in one of two formats: Simple Object Access Protocol (SOAP) or Representational State Transfer (REST). Learn more about these formats when you sign up.


Web ServiceDescriptionCOS Examples
Wages by occupation

Format: SOAP
Build a salary tool letting users select an occupation and find average hourly or annual wages for the United States or a selected state. Also use to compare wages across occupations or geographical areas.
Build an occupation profile

Format: SOAP
Access detailed occupation data for more than 800 occupations. Information is derived from the Occupational Information Network O*NET database and includes:
  • knowledge, skills, and abilities by occupation
  • tasks and activities by occupation
  • common tools and technology used in select occupations
Find and translate military occupation information

Format: SOAP and REST
Search for military occupations by branch of service, keywords, or military occupational codes (MOCs). Then, translate a selected military occupation into its civilian counterpart. Helps veterans and transitioning service members describe skills and experiences gained during service (useful for resumes) and focus civilian job hunting on jobs that require similar skills and experiences.
Get occupational licensing information

Format: SOAP
Search a database of occupational licensing information by state, occupation, or keyword. Get information including license title, state, occupation, issuing agency contact information, description of requirements, and, when available, a history including the number of licenses issued.
Get certification information

Format: SOAP
Search a database of occupational certification information by occupation, industry, or keyword. Results include certification name, occupation, industry, certifying organization's contact information, requirement information, and renewal information.
Find an American Job Center

Format: SOAP or REST


Quickly locate and get directions to your nearest American Job Center via either ZIP code or city. Also return information about services available by location. Includes both comprehensive and affiliate American Job Centers' name, location (with map and driving directions), and contact information for veterans representatives when available.
Tools and technology

Format: SOAP
Returns a list of O*NET defined tools and technologies for a specific O*NET code.
Find occupations titles and codes by keyword

Format: SOAP

Retrieves a list of occupation titles and occupation codes based on keyword. Occupation titles and codes are derived from the Occupation Information Network O*NET database and are returned with a relevancy ranking score based on the keywords and terms entered.
  • test drive this Web Service and see sample output.
Find occupation matches

Format: REST
Finds closely related occupation matches based on transferable skill, knowledge and ability attributes. This service also includes wage and salary information, typical training information and job opening information associated with all matched occupations.
Get occupation summary

Format: REST
Build a summary profile of an occupation, including occupation description, typical tasks, tools and technologies used on the job, estimates of number of persons employed in this occupation, projected employment growth and typical training information for the selected occupation. Employment and wage information is available at the national, state and regional levels.
Find education and training by occupation

Format: REST
Find education and training program information related to an occupation. Get detailed information about programs of study and education and training institutions. Information includes institution and program name, degree and award types, contact information including links to institution websites and more. Information is available at the national, state and local levels for the majority of education and training institutions in the U.S. Education and training information include public, private and non-profit institutions. Data is derived from the U.S. Department of Education's Integrated Post Secondary Education Data System (IPEDs).
Identify skill and knowledge gaps between two occupations

Format: REST
Identifies the skill and knowledge gaps between two occupations. Occupations are compared on the basis of skill and knowledge attributes included in the Occupational Information Network (O*NET) database. The web service also compares the typical training and wage levels for the selected occupations.
Find education and training by knowledge area

Format: REST
Links areas of knowledge to national and local education and training programs. Knowledge attributes associated with an occupation can be linked directly to national and local education and training programs. Education and training information available from the web service includes institution and program name, degree and award types, contact information including links to institution websites and more. Knowledge attributes are derived from the Occupational Information Network (O*NET) database.
Get occupation certification list

Format: REST
Returns a summary list of available certifications related to an occupation. Summary level information includes certification name, certification type and certifying organization.
Get occupation certification detail

Format: REST
Returns detailed certification information, including: certification name, certification type and certifying organization as well as the certifying organization's contact information, and information regarding certification requirements, and renewal information.
Get occupational licensing list

Format: REST
Returns a summary list of state occupational licensing information related to an occupation. Summary information includes license name, and licensing agency.
Get occupational licensing detail

Format: REST
Returns detailed information about an occupational license. Detailed occupational licensing information is available by state, and includes: includes the State issuing agency contact information, description of requirements, and, when available, a history including the number of licenses issued in the selected state.
Find apprenticeship sponsors by occupation

Format: REST
Returns a list of apprenticeship sponsors and sponsorship organization information at the state and local level. Data is derived from the U.S. Department of Labor's Apprenticeship Sponsor database. Note, complete sponsorship information is not available for all states at this time.
Find occupations titles and codes by keyword

Format: REST
Retrieves a list of occupation titles and occupation codes based on keyword. Occupation titles and codes are derived from the Occupation Information Network O*NET database and are returned with a relevancy ranking score based on the keywords and terms entered.
  • test drive this Web Service and see sample output.
Get job listing count

Format: REST
Returns a list with the number of job listings posted for a specific keyword or O*NET code. The returned string object contains the number of jobs available in the area as reported by Direct Employers Association (DEA)(http://us.jobs/).
Get job listings

Format: REST
Returns a list of job counts and job listings for a specific keyword or O*NET code. The returned list contains the number of jobs available in the area as reported by Direct Employers Association (DEA)(http://us.jobs/).

What you need to get started:

  • Visit What's Available? to find out more about CareerOneStop Web Services offerings.

  • Register for web services. Indicate your interest in accessing one or more CareerOneStop Web Services by registering your contact information. Registering for a Web Service provides the CareerOneStop analyst the information necessary to contact you, evaluate your request, and provide you with a licensing agreement for your signature. Complete the CareerOneStop Web Services registration form.

  • View or download the CareerOneStop License Agreement.


Department of Labor CareerOneStop is sponsored by the U. S. Department of Labor,
Employment and Training Administration