Developer-first infrastructure for IRS Form 1099 e-filing, PDF generation, and recipient delivery.
Report nonemployee compensation for independent contractors, freelancers, and gig workers. Required when you pay $600 or more to a non-employee during the tax year.
Learn about 1099-NEC APIReport miscellaneous income including rents, royalties, prizes, awards, and other payments. Used for various payment types that don't fit other 1099 categories.
Learn about 1099-MISC APISubmit forms directly to the IRS through our FIRE-compliant e-filing system. Track submission status and receive acknowledgments.
Generate IRS-compliant PDF copies for payers and recipients. Download via API or deliver directly to recipients.
Automatically print and mail recipient copies via USPS. Meet IRS deadlines without manual fulfillment.
File forms for current and prior tax years. Our API supports the following payment years:
Clean, predictable endpoints with comprehensive documentation. OAuth 2.0 authentication and idempotent requests for reliable integrations.
curl -X POST https://api.formcasa.com/api/v1/forms/f1099_nec \
-H "Authorization: Bearer $ACCESS_TOKEN" \
-H "Content-Type: application/json" \
-d '{
"tax_year": 2025,
"payer_id": "pyr_abc123",
"recipient_id": "rcp_xyz789",
"box1": "5000.00",
"efile": true,
"mail_recipient": true
}'