- Software and digital services
- HTTP service
402
HTTP 402 Payment Required: reserved for future use
Risk level
Low
Usually safe to check without specialist tools.
Urgency
Low
Quick answer
HTTP 402 is named Payment Required but RFC 9110 reserves the status for future use and defines no standard payment flow recovery action or failure cause.
Safety first
Stop and check this first
- HTTP 402 does not prove that a card was declined or that payment is owed. Verify the service origin and its own documentation before entering financial information.
Safe checks you can perform
- Read the service-specific response and documentation
- Verify the original operation outcome before retrying
- Use only the service’s official recovery path
Leave these tasks to a qualified professional
- Do not attempt this professional task: Document the application-specific 402 contract
What a technician must be able to justify
Technician visit
These are the steps they must carry out and show you. Tick them as they work: if steps are skipped, do not accept a part swap.
These are not instructions for opening or handling the equipment yourself. They are the checks that should support a technical conclusion.
Document the application-specific 402 contract
What they doThe API owner should define the exact reason machine-readable fields retry behavior and transaction outcome because RFC 9110 supplies no standard semantics beyond reserving the status.
Before accepting a part or repair
Nothing has been shown yet. Do not accept a part swap based on the code alone.
Follow these steps
Note: Follow the documented order. An error code identifies the affected system, but it does not prove by itself which part has failed.
Read the service-specific response and documentation
Record the endpoint timestamp request identifier and redacted response content then consult the exact API or service documentation for its chosen 402 meaning.
Do not infer a card decline subscription state or account balance from the HTTP label alone.
Evidence: RFC 9110 section 15.5.3 - 402 Payment Required
Verify the original operation outcome before retrying
Check the service’s transaction or request history to determine whether the operation had any effect before submitting it again.
A non-standard 402 implementation can use application-specific transaction behavior and duplicate retries can create duplicate work.
Evidence: RFC 9110 section 15.5.3 - 402 Payment Required
Use only the service’s official recovery path
Follow the vendor’s documented account billing quota or support flow only when its own response or documentation identifies that condition.
Never provide payment details through a link or form whose origin you have not verified independently.
Evidence: RFC 9110 section 15.5.3 - 402 Payment Required
Still not solved
If the error persists, stop here. See what the technician must do and show you.
Where this code applies
A code is meaningful only inside the right product and version context.
Primary scope
- System
- Software and digital services
- Brand
- HTTP
- Product type
- HTTP service
Known code variants
- 402 Pagamento richiesto
- 402 Pago requerido
- 402 Payment Required
- 402 Zahlung erforderlich
- code erreur 402
- HTTP 402
- HTTP status 402
- status code 402
What it means
Any billing subscription quota or card meaning attached to 402 is application-specific. Use that service’s response and documentation rather than assuming a universal interpretation.
Warnings and stop conditions
- Higheditorial warning
HTTP 402 does not prove that a card was declined or that payment is owed. Verify the service origin and its own documentation before entering financial information.
Evidence: RFC 9110 section 15.5.3 - 402 Payment Required
Symptoms and causes
Probable causes · in order
- HTTP defines no standard 402 failure condition yetConfirmed
RFC 9110 names 402 Payment Required but reserves the status for future use without defining a payment protocol or standard cause.
Evidence: RFC 9110 section 15.5.3 - 402 Payment Required
Virtual technician
Does 402 still appear after these checks?
Answer a few questions to narrow down the likely cause and the safest next action. Guidance only - it never replaces a professional.
Sources and technical references
- 1
RFC 9110 section 15.5.3 - 402 Payment Required
Internet Engineering Task Force · 2022 · official_doc
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