# PostalForm > PostalForm turns PDFs into mailed letters for U.S. addresses. Upload a PDF, enter sender and recipient addresses, and PostalForm prints and mails it via USPS. PostalForm supports developer integrations via a Model Context Protocol (MCP) server at /mcp for creating order drafts, launching checkout, and checking order status. Contact: support@postalform.com. ## Capabilities - Mail letters, forms, and multi-page packets as a single PDF - Print options: color and double-sided - Address validation and autocomplete to prevent returned mail - Works on mobile and desktop (upload from phone) - U.S. destination addresses ## Docs - [Developers (MCP API)](https://postalform.com/developers.md) - [Agents (Machine payments)](https://postalform.com/agents.md) ## Product - [Pricing](https://postalform.com/pricing.md) - [Delivery times](https://postalform.com/delivery-times.md) ## Forms - [Forms hub](https://postalform.com/forms.md) - [IRS forms](https://postalform.com/forms/irs.md) - [Medicare forms](https://postalform.com/forms/medicare.md) - [VA forms](https://postalform.com/forms/va.md) - [USCIS forms](https://postalform.com/forms/uscis.md) - [Social Security forms](https://postalform.com/forms/social-security.md) - [DMV forms](https://postalform.com/forms/dmv.md) - [Court forms](https://postalform.com/forms/courts.md) - [Annual Credit Report Request Form](https://postalform.com/forms/annual-credit-report-request.md) - [Card Billing Dispute Packets](https://postalform.com/forms/card-billing-dispute.md) - [CMS-1490S](https://postalform.com/forms/cms-1490s.md) - [CMS-20027 - Redetermination Request Form](https://postalform.com/forms/cms-20027.md) - [CMS-20031 - Transfer of Appeal Rights](https://postalform.com/forms/cms-20031.md) - [CMS-20033 - Medicare Reconsideration Request](https://postalform.com/forms/cms-20033.md) - [Debt Validation Packets](https://postalform.com/forms/debt-validation-packets.md) - [Form DS-64](https://postalform.com/forms/ds-64.md) - [Gym membership cancellation letter](https://postalform.com/forms/gym-membership-cancellation-letter.md) - [Indiana Attorney General Consumer Complaint](https://postalform.com/forms/indiana-consumer-complaint.md) - [IRS Form 1099-NEC (Copy B)](https://postalform.com/forms/1099-nec.md) - [IRS Form 8822](https://postalform.com/forms/8822.md) - [Payment Demand Packets](https://postalform.com/forms/payment-demand-packets.md) - [Plain letter](https://postalform.com/forms/plain-letter.md) - [VA Form 21-4138](https://postalform.com/forms/va-21-4138.md) - [Eviction defendant packets](https://postalform.com/complex/eviction-defendant-packets.md) - [Forms index (JSON)](https://postalform.com/forms/index.json) ## Company - [About](https://postalform.com/about.md) ## Articles - [1099-NEC Copy B recipient copy guide](https://postalform.com/tax/1099-nec-copy-b-recipient-copy-guide.md) - [Annual credit report request form by mail (what to send and how long it takes)](https://postalform.com/consumer/annual-credit-report-request-form-by-mail.md) - [Apology letter template for an estranged sibling or family member](https://postalform.com/relationship-letters/apology-letter-template-for-estranged-family-member.md) - [appeal letter mailing guide](https://postalform.com/guides/appeal-letter.md) - [Appeal letter mailing guides](https://postalform.com/appeals.md) - [Boundary-setting letter template for a family member (with an invitation to reconnect)](https://postalform.com/relationship-letters/boundary-setting-letter-template-for-family-member.md) - [Can you file Form 8822 online? (what "online" means for IRS Form 8822)](https://postalform.com/tax/can-you-file-form-8822-online.md) - [Can you send a letter online for free?](https://postalform.com/send-a-letter-online-free.md) - [Cancel City Sports Club membership by mail (letter template)](https://postalform.com/cancel/city-sports-club-membership.md) - [Cancel Club Fitness membership by mail (letter template)](https://postalform.com/cancel/club-fitness-membership.md) - [Cancel Club Studio Fitness membership by mail (letter template)](https://postalform.com/cancel/club-studio-fitness-membership.md) - [Cancel Equinox membership by mail (letter template)](https://postalform.com/cancel/equinox-membership.md) - [Cancel LA Fitness membership by mail (letter template)](https://postalform.com/cancel/la-fitness-membership.md) - [Cancel Planet Fitness membership by mail (letter template)](https://postalform.com/cancel/planet-fitness-membership.md) - [cease and desist letter mailing guide](https://postalform.com/guides/cease-and-desist-letter.md) - [Certified Mail cost breakdown (USPS fees and total formula)](https://postalform.com/certified-mail-cost-breakdown.md) - [Certified vs Registered Mail (security, speed, and cost)](https://postalform.com/certified-vs-registered-mail.md) - [change of address letter mailing guide](https://postalform.com/guides/change-of-address-letter.md) - [CMS-1490S attachment checklist (itemized bills, EOBs, and signature rules)](https://postalform.com/health-insurance/cms-1490s-attachment-checklist.md) - [CMS-1490S Medicare claim guide (when beneficiaries should file)](https://postalform.com/health-insurance/cms-1490s-medicare-claim-guide.md) - [CMS-20027 Medicare redetermination guide](https://postalform.com/health-insurance/cms-20027-medicare-redetermination-guide.md) - [CMS-20027 vs CMS-20033: which Medicare appeal form do you need?](https://postalform.com/health-insurance/cms-20027-vs-cms-20033.md) - [CMS-20031 transfer of appeal rights guide](https://postalform.com/health-insurance/cms-20031-transfer-of-appeal-rights-guide.md) - [CMS-20033 Medicare reconsideration guide](https://postalform.com/health-insurance/cms-20033-medicare-reconsideration-guide.md) - [college transcript request letter mailing guide](https://postalform.com/guides/college-transcript-request-letter.md) - [Consumer complaint and credit-report guides](https://postalform.com/consumer.md) - [Content Policy](https://postalform.com/content-policy.md) - [Contractor payment demand letter template](https://postalform.com/letters/contractor-payment-demand-letter-template.md) - [Courier vs USPS for sending a letter: when is a courier worth it?](https://postalform.com/study-abroad/courier-vs-usps-for-sending-letters.md) - [Credit Card Extended Warranty Claims: How to Get Reimbursed (and How to Mail Your Documents the Calm, Proof-First Way)](https://postalform.com/credit-card-extended-warranty-claim-by-mail.md) - [credit dispute letter mailing guide](https://postalform.com/guides/credit-dispute-letter.md) - [debt validation letter mailing guide](https://postalform.com/guides/debt-validation-letter.md) - [Delivery times](https://postalform.com/delivery-times.md) - [Demand letter checklist](https://postalform.com/demand-letters/demand-letter-checklist.md) - [Demand letter resources](https://postalform.com/demand-letters.md) - [Developer mail API](https://postalform.com/developer-mail-api.md) - [Dispute Credit Report Errors by Mail: A Step-by-Step Guide (With Proof You Can Keep)](https://postalform.com/credit-report-dispute-letter-certified-mail.md) - [Dispute invoice letter template](https://postalform.com/letters/dispute-invoice-letter-template.md) - [Do I need a stamp to mail a letter?](https://postalform.com/do-i-need-a-stamp-to-mail-a-letter.md) - [Does the post office print documents?](https://postalform.com/does-the-post-office-print-documents.md) - [employment verification request letter mailing guide](https://postalform.com/guides/employment-verification-request-letter.md) - [final notice before legal action letter mailing guide](https://postalform.com/guides/final-notice-before-legal-action.md) - [Final notice before legal action letter template (unpaid invoice)](https://postalform.com/letters/final-notice-before-legal-action-letter-template.md) - [FOIA request letter mailing guide](https://postalform.com/guides/foia-request-letter.md) - [Form 8822 vs Form 8822-B (which IRS address-change form should you file?)](https://postalform.com/tax/form-8822-vs-8822-b.md) - [General contractor payment demand letter template](https://postalform.com/letters/general-contractor-payment-demand-letter-template.md) - [Gym membership cancellation letter template (mail-in cancellation)](https://postalform.com/letters/gym-membership-cancellation-letter-template.md) - [health insurance appeal letter mailing guide](https://postalform.com/guides/health-insurance-appeal-letter.md) - [Health insurance claim mailing guides](https://postalform.com/health-insurance.md) - [Help center](https://postalform.com/help.md) - [How long to give in a demand letter](https://postalform.com/demand-letters/how-long-to-give-in-a-demand-letter.md) - [How to Appeal a Denied Credit Card Dispute (and Build a Paper Trail That Gets Attention)](https://postalform.com/appeal-denied-credit-card-dispute.md) - [How to cancel a gym membership by mail (step-by-step + proof of delivery)](https://postalform.com/letters/how-to-cancel-gym-membership-by-mail.md) - [How to Dispute Credit Report Errors by Mail — and Build a Paper Trail That Actually Helps](https://postalform.com/consumer/dispute-credit-report-errors-by-mail.md) - [How to mail a demand letter (and keep proof)](https://postalform.com/demand-letters/how-to-mail-a-demand-letter.md) - [How to mail a notice of intent to lien](https://postalform.com/demand-letters/how-to-mail-a-notice-of-intent-to-lien.md) - [How to mail USCIS forms online](https://postalform.com/immigration/how-to-mail-uscis-forms-online.md) - [How to organize attachments for a payment demand packet](https://postalform.com/demand-letters/how-to-organize-attachments-for-a-payment-demand-packet.md) - [How to scan a signed form and turn it into a clean PDF](https://postalform.com/how-to/scan-signed-form-to-pdf.md) - [How to send a debt validation letter by mail](https://postalform.com/consumer/debt-validation-letter-by-mail.md) - [How to send a letter without a printer](https://postalform.com/how-to-send-a-letter-without-a-printer.md) - [How to write a final payment notice that is clear (not inflammatory)](https://postalform.com/demand-letters/how-to-write-a-final-payment-notice.md) - [How to write a strong VA Form 21-4138 statement](https://postalform.com/veterans/how-to-write-va-form-21-4138-statement.md) - [How-to guides](https://postalform.com/how-to.md) - [HVAC unpaid invoice demand letter template](https://postalform.com/letters/hvac-unpaid-invoice-demand-letter-template.md) - [Immigration mailing guides](https://postalform.com/immigration.md) - [Indiana Attorney General consumer complaint form guide](https://postalform.com/consumer/indiana-attorney-general-consumer-complaint-form-guide.md) - [insurance appeal letter mailing guide](https://postalform.com/guides/insurance-appeal-letter.md) - [Insurance mailing guides](https://postalform.com/insurance.md) - [IRS address change vs USPS change-of-address (when to file Form 8822)](https://postalform.com/tax/irs-address-change-vs-usps-change-of-address.md) - [IRS Form 8822 filing guide (who should file, where to mail, and processing time)](https://postalform.com/tax/irs-form-8822-change-of-address-guide.md) - [landlord repair request letter mailing guide](https://postalform.com/guides/landlord-repair-request-letter.md) - [Landscaping unpaid invoice letter template](https://postalform.com/letters/landscaping-unpaid-invoice-letter-template.md) - [lease termination letter mailing guide](https://postalform.com/guides/lease-termination-letter.md) - [Lease termination notice to vacate letter template (mail it online)](https://postalform.com/letters/notice-to-vacate-letter-template-mail-online.md) - [Letter templates and mailing guides](https://postalform.com/letters.md) - [Letter to an estranged sibling or family member (template + tips)](https://postalform.com/letters/letter-to-estranged-family-member.md) - [Licensing application mailing guides](https://postalform.com/licensing.md) - [Low-pressure reconnection letter template (estranged family or sibling)](https://postalform.com/relationship-letters/low-pressure-reconnection-letter-template.md) - [Mail a 1099 online](https://postalform.com/mail-1099-online.md) - [Mail a car insurance medical claim packet online](https://postalform.com/insurance/mail-car-insurance-medical-claim-packet-online.md) - [Mail a final demand letter](https://postalform.com/final-demand-letter.md) - [Mail a form online](https://postalform.com/mail-a-form-online.md) - [Mail a letter from your phone](https://postalform.com/mail-a-letter-from-your-phone.md) - [Mail a letter online](https://postalform.com/send-letter-online.md) - [Mail a letter online in minutes](https://postalform.com/index.md) - [Mail a past due notice letter](https://postalform.com/past-due-notice-letter.md) - [Mail a PDF from a Gmail attachment](https://postalform.com/integrations/mail-pdf-from-gmail-attachment.md) - [Mail a PDF from Dropbox](https://postalform.com/integrations/mail-pdf-from-dropbox.md) - [Mail a PDF from Google Drive](https://postalform.com/integrations/mail-pdf-from-google-drive.md) - [Mail a PDF from iCloud Drive](https://postalform.com/integrations/mail-pdf-from-icloud.md) - [Mail a PDF from popular tools](https://postalform.com/integrations.md) - [Mail a PDF online](https://postalform.com/mail-pdf-online.md) - [Mail a signed form to a U.S. address while studying abroad](https://postalform.com/study-abroad/mail-a-signed-form-to-us-while-studying-abroad.md) - [Mail a subpoena online](https://postalform.com/mail-subpoena-online.md) - [Mail a W-2 online](https://postalform.com/mail-w2-online.md) - [Mail accident-related health insurance claims with attachments](https://postalform.com/health-insurance/mail-accident-related-health-insurance-claims.md) - [Mail an application that requires an original signature](https://postalform.com/licensing/mail-application-original-signature-required.md) - [Mail an Express letter online](https://postalform.com/express-mail-online.md) - [Mail an invoice online](https://postalform.com/mail-invoice-online.md) - [Mail an unemployment appeal letter online](https://postalform.com/appeals/mail-unemployment-appeal-letter-online.md) - [Mail documents online](https://postalform.com/mail-documents-online.md) - [Mail documents to the U.S. from abroad](https://postalform.com/study-abroad/mail-documents-to-us-from-abroad.md) - [Mail letters with an API](https://postalform.com/mail-letters-with-api.md) - [Mail letters without a printer](https://postalform.com/mail-letters-without-printer.md) - [Mail-only PDF forms you can fill out online](https://postalform.com/fill-out-official-pdf-forms-online.md) - [mechanics lien notice letter mailing guide](https://postalform.com/guides/mechanics-lien-notice-letter.md) - [medical billing dispute letter mailing guide](https://postalform.com/guides/medical-billing-dispute-letter.md) - [Medical records request letter guides](https://postalform.com/medical-records.md) - [medical records request letter mailing guide](https://postalform.com/guides/medical-records-request-letter.md) - [Medical records request letter you can mail online](https://postalform.com/medical-records/medical-records-request-letter-online.md) - [name change request letter mailing guide](https://postalform.com/guides/name-change-request-letter.md) - [Notice of intent to file a mechanics lien letter template](https://postalform.com/letters/notice-of-intent-to-file-mechanics-lien-letter-template.md) - [notice of intent to lien letter mailing guide](https://postalform.com/guides/notice-of-intent-to-lien-letter.md) - [Notice of intent to send to collections letter template](https://postalform.com/letters/notice-of-intent-to-send-to-collections-letter-template.md) - [notice to vacate letter mailing guide](https://postalform.com/guides/notice-to-vacate-letter.md) - [Online print and mail service](https://postalform.com/online-print-and-mail-service.md) - [past due invoice reminder letter mailing guide](https://postalform.com/guides/past-due-invoice-reminder-letter.md) - [Past due invoice reminder letter template (friendly)](https://postalform.com/letters/past-due-invoice-reminder-letter-template.md) - [payment demand letter mailing guide](https://postalform.com/guides/demand-letter-for-payment.md) - [Payment demand letter template for multiple invoices and job sites](https://postalform.com/letters/multiple-invoices-payment-demand-letter-template.md) - [Payment demand letter template for services rendered](https://postalform.com/letters/payment-demand-letter-template.md) - [payment plan request letter mailing guide](https://postalform.com/guides/payment-plan-request-letter.md) - [Payment plan request letter template](https://postalform.com/letters/payment-plan-request-letter-template.md) - [Plumbing unpaid invoice final notice template](https://postalform.com/letters/plumbing-unpaid-invoice-final-notice-template.md) - [PostalForm Agents Guide](https://postalform.com/agents.md) - [PostalForm for AI assistants](https://postalform.com/ai.md) - [PostalForm makes real mail work like the internet](https://postalform.com/about.md) - [PostalForm MCP Developer Docs](https://postalform.com/developers.md) - [Postcard PDF guidelines](https://postalform.com/postcard-pdf-guidelines.md) - [Pricing](https://postalform.com/pricing.md) - [Pricing calculator (estimates)](https://postalform.com/pricing-calculator.md) - [Print and mail a PDF](https://postalform.com/print-and-mail-pdf.md) - [Print and mail pricing calculator](https://postalform.com/pricing-calculator.md) - [Privacy Policy](https://postalform.com/privacy.md) - [proof of residency letter mailing guide](https://postalform.com/guides/proof-of-residency-letter.md) - [Reconciliation letter template for an estranged sibling](https://postalform.com/relationship-letters/reconciliation-letter-template-for-estranged-sibling.md) - [Reconnect after political differences letter template (family or sibling)](https://postalform.com/relationship-letters/reconnect-after-political-differences-letter-template.md) - [Reconnect after political differences: a letter approach](https://postalform.com/relationship-letters/reconnect-after-political-differences-letter.md) - [refund request letter mailing guide](https://postalform.com/guides/refund-request-letter.md) - [Refunds, cancellations, and USPS delays](https://postalform.com/help/refunds-cancellations-and-usps-delays.md) - [Relationship letters: reconnect with family by mailing a letter](https://postalform.com/relationship-letters.md) - [Repair a relationship with a family member by mailing a letter](https://postalform.com/relationship-letters/repair-relationship-with-family-letter.md) - [Request itemized invoice letter template](https://postalform.com/letters/request-itemized-invoice-letter-template.md) - [Response to demand letter payment plan template](https://postalform.com/letters/response-to-demand-letter-payment-plan-template.md) - [Roofing contractor payment demand letter template](https://postalform.com/letters/roofing-contractor-payment-demand-letter-template.md) - [Roofing invoice final notice letter template](https://postalform.com/letters/roofing-invoice-final-notice-letter-template.md) - [school records request letter mailing guide](https://postalform.com/guides/school-records-request-letter.md) - [Second notice overdue invoice letter template](https://postalform.com/letters/second-notice-overdue-invoice-letter-template.md) - [Security](https://postalform.com/security.md) - [security deposit demand letter mailing guide](https://postalform.com/guides/security-deposit-demand-letter.md) - [Send a letter without a printer](https://postalform.com/send-letter-without-a-printer.md) - [Send Certified Mail online](https://postalform.com/certified-mail-online.md) - [Send mail online](https://postalform.com/send-mail-online.md) - [Study abroad mailing guides](https://postalform.com/study-abroad.md) - [Support](https://postalform.com/support.md) - [Tax mailing guides](https://postalform.com/tax.md) - [tenant complaint letter mailing guide](https://postalform.com/guides/tenant-complaint-letter.md) - [Terms of Service](https://postalform.com/terms.md) - [Test](https://postalform.com/insurance/test.md) - [Testimonials](https://postalform.com/testimonials.md) - [USPS change-of-address checklist (and when to file IRS Form 8822)](https://postalform.com/tax/usps-change-of-address-checklist.md) - [VA Form 21-4138 vs 21-10210 (which statement form should you use?)](https://postalform.com/veterans/va-form-21-4138-vs-21-10210.md) - [Veterans benefits mailing guides](https://postalform.com/veterans.md) - [What happens after you mail a letter](https://postalform.com/help/what-happens-after-you-mail.md) - [What to do if you receive a final notice before legal action](https://postalform.com/demand-letters/what-to-do-if-you-receive-a-final-notice-before-legal-action.md) - [What to include in a pre-lien notice packet](https://postalform.com/demand-letters/what-to-include-in-a-pre-lien-notice-packet.md) - [What to use as the return address when you're studying abroad](https://postalform.com/study-abroad/return-address-when-studying-abroad.md) - [When do you have to send 1099-NEC Copy B to contractors?](https://postalform.com/tax/1099-nec-copy-b-deadline.md) - [Where to mail a letter near me](https://postalform.com/where-to-mail-a-letter-near-me.md) - [Where to mail Form 8822 (how to choose the right IRS mailing address)](https://postalform.com/tax/where-to-mail-form-8822.md) - [Where to mail the Annual Credit Report Request Form](https://postalform.com/consumer/where-to-mail-annual-credit-report-request-form.md) - [Why use PostalForm? The real cost of mailing a letter yourself](https://postalform.com/why-use-postalform.md) ## Legal - [Terms of Service](https://postalform.com/terms.md) - [Privacy Policy](https://postalform.com/privacy.md) - [Content Policy](https://postalform.com/content-policy.md) ## Optional - [Sitemap](https://postalform.com/sitemap.md) Human-friendly pages are the same paths without .md.