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What is Pastebin Service?
Pastebin Service at paste.centos.org is a plain web paste tool: you paste text or code into a box, optionally add an author and title, pick a syntax-highlighting language, and get a shareable page. The page's own heading is "Create a new paste," with links to an API and About page, and its language list is unusually broad—covering shell, Python, Ruby, Go, C/C++, SQL, and markup alongside niche assemblers, COBOL, Fortran, and dozens of legacy or domain-specific languages.
It suits quick, disposable sharing rather than long-term publishing. Typical uses:
- Sending a log, config snippet, or stack trace to a colleague or forum without attaching a file.
- Sharing code where you want language highlighting but not a full repository.
- Posting content that is awkward to paste directly into chat or email.
The API link is the main differentiator for automation: if you need to create pastes from scripts or CI, that is worth checking before committing to manual use. The trade-off is that pastes are generally not versioned or collaborative—no review flow, no history, no merge. For anything you will edit repeatedly or want others to improve, a proper code host is a better fit.
A practical next step: open the site, paste a short snippet, set the language, and create it to see the resulting URL format. If you expect to paste often, check the API page first; if you need ongoing collaboration instead, consider GitHub or GitLab.
How do I create a new paste on Pastebin Service?
Open Pastebin Service in your browser; the landing page is the "Create a new paste" form, so there is nothing to sign up for before you start.
Filling in the form
- Author – a display name attached to the paste. Optional; leave it blank to stay anonymous.
- Title – a short label so you (and anyone you send the link to) can tell pastes apart later.
- Language – pick from the long list of syntax modes (Plain Text, Bash, Python, SQL, C, Diff-output and many more). Choosing the right one gives you syntax highlighting; Plain Text is fine for logs, configs or anything that isn't code.
- Paste box – the main text area where you drop or type your content.
- Submit the form to generate the paste's own URL, then copy that link to share.
Practical notes
- The language list is unusually broad, including assembly dialects, config formats and niche languages, so it's worth scanning rather than assuming your language is missing.
- Because Author is free-text, treat it as a label, not as proof of identity.
- For a long error log, set Language to Plain Text and put the failing command or error line in the Title — that saves your reader from scrolling.
A quick scenario
You're asking a colleague to review a shell script. Paste the script, set Language to Bash, set Title to something like "backup script – fails on step 3", and send the resulting link in chat. They get colour-coded code and a stable URL instead of a wall of text in the message.
Next step
If you plan to paste repeatedly, check the API and About links in the page header: the API is the route for scripted or automated pastes, and About explains how long pastes are kept and whether they can be deleted. Decide based on sensitivity — for anything containing credentials, tokens or personal data, redact it first or use a private channel instead.
Is Pastebin Service free to use?
Yes. Pastebin Service presents itself as a straightforward paste tool: the main page is a "Create a new paste" form with fields for an author, a title, and a language, plus a large text area. There is no sign-up wall, pricing page, or payment step in the evidence provided; the navigation points only to Create, API, and About. So for the ordinary use case—pasting text or code and getting a shareable link—you can expect to use it without paying or creating an account.
H3 What "free" covers here
The form's language list is unusually deep: it includes common choices like Plain Text, HTML5, CSS, JavaScript, PHP, Python, Ruby, Bash, C, C++, SQL, and XML, but also many niche and legacy options such as COBOL, Fortran, Haskell, Lua, Pascal, Prolog, Verilog, VHDL, and whole families of assembler dialects. That tells you the service is aimed at people who want syntax highlighting for whatever they paste, not just mainstream web code. In practice, that is the kind of thing you would otherwise pay a hosted code-snippet service for, or install yourself.
H3 When a free paste service is the right tool
Free pastebins are best for quick, disposable sharing:
- Sending a stack trace to a colleague who cannot open your ticketing system.
- Posting a config file or log excerpt in a forum thread without dumping hundreds of lines into the message.
- Keeping a snippet readable during a code review or debugging session.
- Sharing a diff or SQL query with syntax highlighting.
For these, the trade-off is usually visibility and retention: a public paste can be indexed or found by others, and you generally do not control how long it stays online. Treat anything you paste as potentially public, and redact secrets, tokens, internal hostnames, and customer data before submitting.
H3 Alternatives worth knowing
If you need account-based history, private pastes, or team features, a developer-oriented snippet service is a better fit—for example GitHub Gist, which ties pastes to a GitHub identity. If you just want a quick throwaway link with no account, Pastebin is the best-known general option, though its free tier is more limited than its paid one. For self-hosting and full control over retention, PrivateBin is an open-source alternative you can run on your own server.
A practical next step: before pasting, decide whether the content is safe to be public. If it is not, either redact it or use a private/self-hosted option instead.
Can I use Pastebin Service's API to automate paste creation?
Yes. The page you're looking at is the "Create a new paste" form of this service, and it lists an API link alongside About and the paste form itself. That indicates the service exposes a programmatic interface, not just a browser form, so you can create pastes from scripts or applications rather than pasting by hand.
What the page itself tells you
- There is an explicit API section, which is the entry point for automation.
- The paste form accepts an Author, a Title, and a Language, plus the paste body.
- The language list is very long — plain text, HTML5, CSS, JavaScript, PHP, Python, Ruby, Lua, Bash, Go, C, C++, SQL, XML, and hundreds of others, including niche assemblers and configuration formats.
That language list matters for automation: if your tooling sends a language value, you can get syntax highlighting in the resulting paste, which is useful when sharing logs or code with someone who will read it in a browser.
How you would actually use it
A typical flow for a developer or ops engineer:
- Read the API page for the endpoint, request format, and any authentication or rate limits.
- Have your script send the paste body, a title, an author name, and a language identifier.
- Capture the returned paste URL and post it wherever you need it — a chat message, a ticket, a CI log.
Concrete scenarios where this pays off:
- CI/CD: on a failed build, push the relevant log excerpt to a paste and put the link in the notification, instead of attaching a large file.
- Support workflows: a script that collects diagnostics and returns one shareable link.
- Chatbots and internal tools: a command that pastes a snippet and replies with the URL.
Trade-offs and things to check before relying on it
| Consideration | Why it matters |
|---|---|
| Retention and expiry | Pastes on such services are often temporary or deletable; don't treat them as durable storage. |
| Privacy | Anything you paste may be publicly reachable via its URL. Avoid secrets, tokens, customer data, or internal hostnames. |
| Rate limits and auth | The API page is the authority on whether keys, quotas, or per-IP limits apply. |
| Format handling | Large binary or non-text content is usually a poor fit; these services are built around text. |
If your content is sensitive, prefer a self-hosted paste tool inside your own network, or a service with explicit private/expiring pastes. For public, throwaway snippets, the API here is a reasonable fit.
Next step: open the API link on the page and confirm the exact endpoint, parameters, and any authentication requirement before writing your integration — that page, not the form, defines what your script must send.
What programming languages and syntax highlighting options does Pastebin Service support?
Pastebin Service supports syntax highlighting for a very broad list of languages, markup formats, configuration files, and even niche assembly dialects. The language selector is the main tool for this: you pick the closest match from a long dropdown, and the paste is displayed with that highlighting.
H3 Practical categories in the list
- General-purpose languages: C, C++, C#, Java, JavaScript, Python, Ruby, PHP, Go, Rust, Kotlin, Scala, Swift-adjacent options, Lua, Perl, and many others.
- Web and markup: HTML5, CSS, XML, SQL, Markdown-like plain text, and template languages such as Smarty.
- Shell and system administration: Bash, PowerShell, Batch, and configuration formats such as INI, Apache, nginx, and systemd-style files.
- Data and query: SQL, MySQL, PostgreSQL, T-SQL, Oracle PL/SQL, and SPARQL.
- Scientific and statistical: MATLAB, GNU Octave, R, SAS, and Scilab.
- Legacy and esoteric: COBOL, Fortran, Pascal, BASIC variants, Brainfuck, INTERCAL, and LOLcode.
- Assembly and hardware: x86, ARM, Motorola 68000, MOS 6502, AVR, PIC16, and Verilog/VHDL.
- Plain text: the default option when you do not need highlighting or the language is not listed.
H3 How to choose
Use the exact language name when it appears. If it does not, pick the closest syntax family or fall back to plain text; the paste will still be readable even without color. For mixed content, such as a shell script with embedded SQL, choose the dominant language and accept that some lines will not be highlighted perfectly.
H3 Example scenario
A developer pastes a failing Python traceback plus the surrounding script. Selecting Python highlights keywords, strings, and comments, which makes the error location easier to scan than plain text. A database administrator pasting a slow query would choose PostgreSQL or MySQL instead, so the highlighting follows that dialect.
H3 Next step
Open the “Create a new paste” page, paste your content, then use the language dropdown before submitting. If your language is missing, choose plain text and mention the language in the title so readers still know what they are looking at.
How can I share a paste with others and control its visibility?
On Pastebin Service, sharing works by creating a paste and then sending the resulting URL to whoever needs it. The page itself is a "Create a new paste" form: you choose an author and title, pick a language (the editor lists everything from Plain Text and Bash to Python, SQL, and dozens of assembler dialects), paste your content, and submit. The service then hosts it at a link you can pass along.
Visibility control on this service is limited compared with general-purpose pastebins. The form does not offer public/unlisted/private toggles or password protection, so treat every paste as shareable by anyone who has the link, and assume it can be indexed or discovered. The practical levers you do have are:
- Unlisted-by-obscurity: a long, random paste ID in the URL is hard to guess, but it is not a security boundary.
- Redaction before pasting: strip credentials, tokens, internal hostnames, and personal data first.
- Deletion: if the service exposes a delete option after creation, use it once the recipient has the content; otherwise the paste may persist indefinitely.
A concrete scenario: you need a colleague to review a failing SQL query. Set the language to SQL for syntax highlighting, give it a descriptive title, paste the query with table names anonymized, and send the URL over your normal chat tool. If the query contains customer data, don't paste it here at all — use a private channel instead.
For anything sensitive, a pastebin is the wrong tool. Options with clearer visibility controls include GitHub Gist, which supports secret gists, and PrivateBin, which encrypts content in the browser so the server never sees plaintext. Decide based on the content: syntax-highlighted code with no secrets fits this service fine; anything with credentials or personal data should go to an encrypted or access-controlled alternative.
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