How to Change KYC Details on a Crypto Exchange After Entering Them Wrong
The field you mistyped has no slot in the list of reasons a platform will accept for an update. Work out which kind of mistake you have, then see where each help page points you and what you give up on the way.
Independent guide · Not affiliated with any platform · Not investment advice
Can you change KYC details you entered wrong? If you have not confirmed the form yet, yes: go back and fix the field. Once it is confirmed, the self-service route mostly will not help. Binance's English help page says it plainly: “You won't be able to change it once confirmed.” And the update reasons that Binance, OKX and KuCoin each accept all describe something that changed in your life — an expired document, a new name — not a mistake made while typing.
So the realistic route is customer support. Binance tells you to consult its support team if your reason is not on the drop-down list. KuCoin says that where the KYC page offers no entrance, its agents can reset your KYC so that you verify again. OKX lets you update name information but not swap the verified identity. None of these is free, and the costs are set out below, platform by platform.
Three moments you might notice it
It matters a great deal when you noticed.
If the form is still open, there is nothing to explain to anyone. Correct it and carry on. How to copy a name across from the document field by field is covered in entering your name exactly as your ID shows it.
If you submitted and were rejected, the platform is already asking you to fix and resubmit; that is a separate path, described in what to do when verification is rejected.
This article is about the third case: you confirmed, possibly passed, and only later spotted that your date of birth or a letter of your name is off. The Binance page on completing identity verification for a personal account (showing an update date of 5 June 2026, read 4 November 2026) warns about exactly this at the input step:
Please make sure that all the information entered is consistent with your ID documents. You won't be able to change it once confirmed.
The check is trying to establish one thing: that the person on the form and the person on the document are the same. A mistyped field leaves a mismatch on file. Passing verification does not mean somebody reviewed that mismatch and accepted it. Our own reading is that it simply sits there until the next time your details are compared against a document — when that document expires, for example.
The update reasons never mention a typo
All three platforms have an update route, and all three attach conditions. Binance's English page introduces its list like this: “If your identity information has changed and one of the following conditions is met, you can go to the [Identification] page to update.” Seven conditions follow. The first is “The documents have expired”; the others cover a changed name or ID number on the document, a changed nationality, replacing a document for a fiat channel, switching to a name in a language the system can read, and meeting card requirements.
KuCoin's help page (last updated 7 July 2026) lists six reasons, matching the first six of Binance's. The OKX Singapore page in English, updated 11 August 2026, is shorter still: “Note: name information can be updated, but the identity verification can't be changed.” (The narrower line that updates are for cases such as an expired ID or a name change appears only on OKX's Simplified Chinese version of the page.)
Line the three lists up and they share one premise: something changed on your side. A document ran out, a name changed, a number was reissued. “I got it wrong the first time” is not on any of them. That is our conclusion from reading the pages side by side; none of the three says it in so many words.
The full seven, and what it means when a platform comes back and asks you to resubmit, are discussed in why you are asked to verify again.
Where each platform sends you instead
| Platform | Route the help page gives | In its words |
|---|---|---|
| Binance | Reason not in the drop-down: contact support | “please consult with our customer service team” |
| KuCoin | No entrance on the KYC page: support resets your KYC, then you verify again | “you can contact our customer service agents to help on resetting your KYC” |
| OKX | Name information can be updated; the verified identity cannot be changed | “the identity verification can't be changed” |
The Binance line comes from a separate page, “How to Update My Verified Identity Information?” (updated 13 March 2026). The full sentence is: “If the reason for your update is not on the drop-down list provided, please consult with our customer service team.” In other words, the update flow makes you pick a reason from a drop-down, and a typo will usually not be there. The same page notes that users in 15 listed countries and regions, among them AE, AU, BR, IN, JP, TR and ZA, see a separate “Click here to reset KYC” link. The door depends on where you are.
The OKX page warns: “If you change your identity verification information, the operation may fail.” Our reading is that this guards against a different person being substituted, not against a corrected spelling — but whether a misspelt name counts as “name information” that can be updated, the page does not say. (OKX's Simplified Chinese version of the same article adds that if you have used up the year's updates and have an urgent case, you should contact support; the Singapore English page we read does not include that sentence.)
Where the error is a single character you can point to on the document, our preference is to explain it to support first rather than pick whichever drop-down reason looks closest. A reason that does not match the documents you then upload is the kind of submission that OKX's “may fail” seems to describe, and on Binance, as the next section shows, the account is restricted the moment you start.
What the route costs you
Binance: Withdrawal Only until it clears. The update page says that “upon declaring to update your KYC materials, your account will be restricted to ‘Withdrawal Only’ mode until all of your new information has been submitted and verified.” On review time, Binance’s English page on completing identity verification (showing an update date of 5 June 2026, read 4 November 2026) says: “Submitted documents are usually reviewed within 48 hours. However, it may take longer in some particular cases.” Whatever your own screen shows when you submit is what applies.
KuCoin: a reset means starting over. Its page is blunt: “Resetting KYC which means your ID information will be erased, until you successfully complete the re-verification, your account will be in a non-KYC verified status.” In that state, “All deposit service is unavailable, the crypto withdrawal limit may be reduced or unavailable, and fiat withdrawal is unavailable.” The table on the same page shows crypto withdrawal at 0–25,000 USDT (checked November 2026; the live page governs).
OKX: a limited allowance. “You can only update your account's identity verification information once every 180 days, and only twice a year.” Spending one of those on a typo may leave you with nothing in hand when a document genuinely expires. That is our inference, not OKX's.
Binance limits what the account can do while you wait. KuCoin changes the verification status itself. OKX counts how often you may ask. Which one hurts most depends on what your account is doing right now — open orders, a deposit you were about to make.
A right to rectification, and its limits
“My data is wrong, so I am entitled to have it fixed” does correspond to real law. Article 16 of the GDPR:
The data subject shall have the right to obtain from the controller without undue delay the rectification of inaccurate personal data concerning him or her.
China's Personal Information Protection Law has a counterpart in Article 46, which in our translation says that a person who finds their information inaccurate or incomplete may ask the handler to correct or supplement it, and that the handler shall verify the information and correct it promptly.
Two limits are worth reading closely. First, whether either provision governs you and a given platform depends on which entity provides the service and where you are; we make no call on that. Second, a right to request a correction is not a promise of a self-service button. Article 46 builds verification into the process, and verification still means your document. Even where the law applies, you will be uploading and waiting.
Where your verification data ends up and for how long is covered in where your ID data goes and how long it stays.
Before you contact support
None of the platforms publishes a checklist for this. What follows is our suggestion. Support has to verify the correction against something, so having that something ready saves a round trip or two.
- A photo of the document you verified with. Front and back, all four corners in frame, the data page legible.
- One line of comparison: which field, what you entered, what the document says. For instance: “Date of birth — entered 1990-03-12, document shows 1990-12-03.” One sentence like that beats a paragraph of backstory.
- The account's current state. Passed or still under review, and whether any withdrawal or order is in progress. A KuCoin reset stops deposits; starting an update on Binance limits you to withdrawals.
Binance's page states: “You cannot transfer your account to another person or substitute another person's ID for your ID.” This article covers one person and one document, with a field copied wrongly. It does not cover, and offers no way of, switching to someone else's identity or document. If the problem is that your ID is already attached to another account, see ID already linked to another account; if someone is offering to “fix” your verification for you, read what happens if you pay for KYC first.
“You won't be able to change it once confirmed”, the conditions for updating, the 48-hour review estimate and the sentence on not substituting another person's ID are from Binance's English help page on completing identity verification for a personal account (showing an update date of 5 June 2026). The Chinese page under the same article number is a separate file with a different update date; nothing has been carried across from it.
The drop-down instruction, the Withdrawal Only restriction and the list of 15 country and region codes with a reset link are from Binance's “How to Update My Verified Identity Information?” (updated 13 March 2026). The OKX quotations are from the OKX Singapore English page “How to update identity authentication information” (updated 11 August 2026); the one point taken from OKX's Simplified Chinese version is labelled as such above. KuCoin's reasons, reset route, reset consequences and withdrawal table are from its help page (last updated 7 July 2026).
GDPR Article 16 is quoted from the text published at gdpr-info.eu, which is not an official EU channel; the official EUR-Lex text was not separately checked. Article 46 of China's Personal Information Protection Law is our translation of the Chinese text published by the National People's Congress. Everything above was read on 4 November 2026.
While writing this we did not log into any account, submit an update, contact support or go through a reset; everything here was checked against the public sources above. That none of the three reason lists covers an input mistake, that a typo stays on file until the next comparison, and that spending an update on a typo may leave no margin later are our inferences from those pages.
Platform side (read 4 November 2026): the drop-down instruction and the Withdrawal Only restriction are on Binance's page on updating verified identity information; the OKX rules are on OKX Singapore's page on updating identity information; Binance's personal-account verification page and KuCoin's help page are named and dated above.
Legal texts (read 4 November 2026): GDPR Article 16, right to rectification (unofficial consolidated text); Article 46 of China's Personal Information Protection Law, in our translation.
The observation that no reason list covers an input mistake, and the summary of costs and of where the right to rectification stops, are this site's synthesis of the sources above and represent no platform's or institution's position. Whether and how any account can be corrected is whatever the platform's pages and support team say at the time.