Government forms you can fill by API
Each of these is the official PDF, uploaded once and read automatically — the pages below list every field the way our extractor sees it. Open one in the editor and it becomes a live endpoint, no account needed.
Vendor & contractor onboarding
Form W-9
Request for Taxpayer Identification Number and Certification
Collect and fill IRS Form W-9 by API. Upload once, get a JSON schema of its fields, POST values, get the completed PDF back — or embed the real form on your site.
IRS · 6 pages · 23 fields read automatically
Form W-8BEN
Certificate of Foreign Status of Beneficial Owner (Individuals)
Automate IRS Form W-8BEN for international contractor payouts. Real form, JSON schema of its fields, completed PDF back in one POST. Try it without an account.
IRS · 1 page · 23 fields read automatically
Form W-8BEN-E
Certificate of Status of Beneficial Owner (Entities)
Automate IRS Form W-8BEN-E for foreign vendor onboarding: prefill what you know, let the entity complete and sign the rest, get the finished PDF delivered.
IRS · 8 pages · 179 fields read automatically
Hiring & payroll
Form W-4
Employee's Withholding Certificate
Generate completed IRS W-4s from your onboarding data. Upload the form once, POST employee values, get the signed PDF into your HR system automatically.
IRS · 5 pages · 48 fields read automatically
Form I-9
Employment Eligibility Verification
Automate USCIS Form I-9: employee and employer sections as separate audiences on one template, filled by API or embedded, with the completed PDF delivered to you.
USCIS · 4 pages · 128 fields read automatically
Form 941
Employer's Quarterly Federal Tax Return
Produce completed IRS 941s from your payroll system every quarter. POST the figures, compute the line totals server-side, get the finished PDF back.
IRS · 3 pages · 116 fields read automatically
Form 940
Employer's Annual Federal Unemployment (FUTA) Tax Return
Produce completed IRS 940s from your payroll system each January. POST the year's figures, let the totals compute server-side, get the finished PDF back.
IRS · 3 pages · 97 fields read automatically
Form 941-X
Adjusted Employer's Quarterly Federal Tax Return or Claim for Refund
Generate IRS 941-X corrections from payroll data. POST the original and corrected figures; the column arithmetic is computed server-side into a finished PDF.
IRS · 6 pages · 352 fields read automatically
Form SS-8
Determination of Worker Status
Generate completed SS-8 worker-classification requests from structured intake. Long-form answers land in the right boxes; the PDF comes back ready to file.
IRS · 5 pages · 299 fields read automatically
Company formation & compliance
Form SS-4
Application for Employer Identification Number
Generate completed IRS SS-4 EIN applications from your formation flow. POST the entity's details, get the finished PDF for filing or fax.
IRS · 2 pages · 89 fields read automatically
Form 2553
Election by a Small Business Corporation
Generate completed IRS 2553 S-corporation elections from your formation flow. POST the entity and shareholders, collect every consent, deliver a filing-ready PDF.
IRS · 4 pages · 100 fields read automatically
Form 8832
Entity Classification Election
Generate IRS 8832 entity classification elections from your platform. POST the entity's details and its election, get the completed PDF back for filing.
IRS · 8 pages · 70 fields read automatically
Form 8822-B
Change of Address or Responsible Party — Business
Generate IRS 8822-B address and responsible-party changes in bulk. POST the entity's old and new details, get a signature-ready PDF per client.
IRS · 2 pages · 22 fields read automatically
Tax practice & resolution
Form 2848
Power of Attorney and Declaration of Representative
Generate completed IRS 2848 power-of-attorney forms from your CRM. POST taxpayer and representative details, get a signature-ready PDF back.
IRS · 2 pages · 91 fields read automatically
Form 8821
Tax Information Authorization
Generate completed IRS 8821 authorizations from your CRM: your firm's details preset, client details POSTed, signature collected, PDF delivered back.
IRS · 1 page · 45 fields read automatically
Form 9465
Installment Agreement Request
Generate IRS 9465 installment agreement requests from your tax-resolution flow. POST the balance and terms, collect the signature, deliver the PDF.
IRS · 2 pages · 66 fields read automatically
Form 433-F
Collection Information Statement
Turn intake data into a completed IRS 433-F. POST income, expenses and accounts; the grids fill, the totals compute, and a signature-ready PDF comes back.
IRS · 4 pages · 213 fields read automatically
Form W-7
Application for IRS Individual Taxpayer Identification Number
Generate completed IRS W-7 ITIN applications from your intake flow. POST the applicant's details, get a signature-ready PDF to file with the return.
IRS · 1 page · 69 fields read automatically
Lending & income verification
Form 4506-C
IVES Request for Transcript of Tax Return
Generate borrower-ready IRS 4506-C transcript requests from your loan origination system. POST the borrower's details, collect the signature, deliver the PDF.
IRS · 2 pages · 72 fields read automatically
Form 4506-T
Request for Transcript of Tax Return
Generate signature-ready IRS 4506-T transcript requests from your system. POST the taxpayer's details, collect the signature, deliver the PDF onward.
IRS · 2 pages · 28 fields read automatically
These are demonstrations, not the limit: any fillable PDF works the same way, and flat ones get a visual overlay editor. Upload your own — or email support@doc2api.co if there is a form you would like to see here.