# P-Link.io Payment links help Overview of P-Link, a universal payment platform without registration.
## Welcome to the P-Link documentation **P-Link** is a universal platform for sending and receiving payments, **without prior registration**. ### 🚀 Highlights * No account to create before receiving payment. * 0% seller-side commission (excluding Solana network fees). * Works with just an email address or phone number. * Instantly usable payment links, perfect for automated or AI integrations. * Possible conversion of crypto assets to fiat. * The payer can use any Solana based token, or credit card to pay ### 🔗 Official website *** See also **:** [Receive a payment](https://docs.p-link.io/receive-a-payment/) · [Send a payment](https://docs.p-link.io/send-a-payment/)
P-Link Logo
# Receive a payment Receive payments with a single url, ready to use as an hosted payment page ## Receive a payment ### 1. Create a payment link * Basic structure : `https://p-link.io/[email]` * Replace `[email]` by your email. 💡 Example :\ `https://p-link.io/contact@net-assembly.com`\ Using this link, you can pay any amount to If this is the first time you open it, P-Link automatically creates a wallet and sends you a secure link by email to claim it.. ### 2. Add an amount Format :\ `https://p-link.io/[email]/[amount]` 💡 Example :\ `https://p-link.io/contact@net-assembly.com/10`\ Using this link, you can pay 10$ to ### 3. Add a currency Format :\ `https://p-link.io/[email]/[amount][devise]` Example :\ `https://p-link.io/contact@net-assembly.com/10EUR` → payment of 10 EUR to ### P-Link wizard In order to avoid the hassle of manually typing the link, you can also use our link wizard available on {% embed url="" %} You can also use the advanced wizard available on : {% embed url="" %} ### Important information * By default, users can use any Solana based cryptocurrency in order to pay a P-Link, or also directly use credit card, then the payment will be automatically converted into USDC to avoid volatility risk (for the receiver). * This is a DeFi payment, so the payment cannot be refunded *** **See also :** [Send a payment](https://docs.p-link.io/send-a-payment/) · [Social networks](https://docs.p-link.io/social-networks/) # Collect payments everywhere Post a P-Link to Discord, Twitter, Instagram, Telegram and more ## Use on social networks P-Link links can be shared across all platforms : * Discord * Twitter / X * Instagram * Telegram * Facebook They automatically display a thumbnail representing a payment button. \ You can customize : * The image * The title * The desc To customize, create a P-Link from the official website ( ).\ Default p-links (`https://p-link.io/[email]`) already have an optimized display. ### MCP server You can use our MCP server located at `https://mcp.p-link.io/mcp` and connect your favorite AI agent with sending and receiving money capabilities. # P-Link User Flow Create a link → Share → Pay → Receive/Claim ## P-Link User Flow > Create a link → Share → Pay → Receive/Claim *** ### 1. Create a payment link * **From the link wizard:**\ * **Manual URL:** ``` https://p-link.io/[email]/[amount][currency] ``` * **Example:** ``` https://p-link.io/jane@example.com/10EUR ``` *** ### 2. Share the link * Social networks (Discord, X/Twitter, Instagram, Telegram, Facebook) * Direct messages, email, or SMS * QR code (on a website, poster, or POS) * Rich preview with title, image, and description (Open Graph/Twitter cards) *** ### 3. Payment by the customer * **Via crypto wallet:** Phantom, Solflare, Backpack, or any Solana Pay compatible app * **Via credit card:** automatic conversion to USDC * Instant confirmation and low network fees (Solana) * **Tip:** Use fixed-amount links to avoid errors *** ### 4. Receive / Claim * Payment is **credited automatically** to the recipient's account * If no account exists: the recipient can create/claim their account via a secure link * Unclaimed funds are **returned to the sender** after 3 days (configurable) **Best practices:** * Verify the recipient's address before sending * Do not expose your API key * Secure your private key exports *** ### Integrations * **Website:** HTML button or embedded QR code * **Automation:** API call (`https://p-link.io/API_KEY/...`) * **Social media:** Share link or custom preview image * **Physical POS:** Display QR code on a tablet or print it (integration example on ) # Account management Creating and claiming a P-Link account to manage your payments ## Account management ### Manual account creation You can create a P-Link account via : * Google Login * Twitter Login * Login by email (OTP sent to the mailbox) * Connection with a Wallet (Phantom, Solflare, Backpack) ### Claiming an account * If someone sends you a payment and you don't have an account yet : * You will receive an email or SMS with a secure link. * Click on the link to claim the associated wallet. * You can then: transfer the funds, convert to fiat, or reuse the wallet for other payments. # Safety and best practices Tips for securing your transactions and protecting your P-Link access ## Safety and best practices * Always check the recipient's address before sending a payment. * Do not share your API key publicly. * Use a secure wallet if you export your private keys. * To avoid unwanted payments, set up fixed amount links. # FAQ – P-Link Frequently asked questions about P-Links ### **FAQ – P-Link** **Q: Do I need to create an account to receive a payment?**\ A: No. If someone sends you a P-Link payment link, you can claim the payment by creating an account when you open the link for the first time. **Q: What payment methods are accepted?**\ A: Any token from the Solana ecosystem and credit card payments (automatically converted into USDC on the recipient’s side). **Q: Can I set a fixed amount in the payment link?**\ A: Yes. Add the amount and optionally the currency at the end of the link (e.g., `/10EUR`). **Q: What happens if the payment is not claimed?**\ A: After 3 days (configurable), the funds are returned to the sender. **Q: Which crypto wallets are compatible?**\ A: Phantom, Solflare, Backpack, and any app compatible with Solana Pay. **Q: Does P-Link charge fees?**\ A: 0% on the seller’s side. Only blockchain network fees apply. # Send a payment How to send payment via P-Link interface or URL with API key ## Send a payment ### 1. Via the interface * Open [p-link.io](https://p-link.io) * Open the **Send** tab. * Provide the recipient (email or phone number). * Provide the amount. * Click on **Send**. ### 2. Via URL with API key * Format :\ `https://p-link.io/api/tr4usr/[API_KEY]/[email]/[amount]` * Allows you to send money by simply calling a URL. 💡 Funds not claimed within 3 days are returned to the sender (configurable timeframe). In order to get your API key, you need to go to *** **See also :** [Receive a payment](https://docs.p-link.io/receive-a-payment/) # Automations and integrations x402, Blinks, and Integrate P-Link with Make, IFTTT, Zapier using RSS feeds Automations and integrations Agent documentation can be loaded using the following prompt : ``` curl https://p-link.io/ai-payment.md and connect to https://mcp.p-link.io/mcp ``` ## x402 Protocol – Automated HTTP Payments This page explains how the **x402 protocol** works and how it is used in **P-Link**.\ [Coinbase x402 ](https://github.com/coinbase/x402)makes it possible to introduce **native payments at the HTTP level**, allowing software agents (AI, scripts, services) to automatically pay for protected resources. *** ### What is the x402 protocol? The **x402 protocol** is a modern extension of the HTTP status code **402 – Payment Required**.\ Its goal is to make payments **machine-readable, automated, and interoperable**, without requiring any human-facing payment interface (forms, buttons, checkout pages, etc.). With x402: * a server can signal that a payment is required using HTTP, * a compatible client can understand the payment request, * the payment can be executed automatically, * the requested resource becomes accessible immediately after payment. 👉 x402 is especially well suited for **AI agents**, **paid APIs**, and **machine-to-machine payments**. *** ### Core principle {% hint style="info" %} Any P-Link complies to the x402 protocol, which means x402 client compatible agents can pay any P-Links See : [How to create a P-Link](/receive-a-payment) {% endhint %} {% hint style="info" %} P-Link MCP server exposes and endpoint that can be called in order to pay for any x402 protected resource, which means P-Link users can use agents to pay for any x402 protected resource using their P-Link account (on Solana only). {% endhint %} The protocol relies on a simple, standardized HTTP flow: 1. **Initial request**\ The client requests a protected resource. 2. **402 – Payment Required response**\ The server responds with: * HTTP status code `402`, * payment instructions (amount, currency, recipient, reference). 3. **Automatic payment**\ A x402-compatible client: * parses the payment metadata, * executes the payment (e.g. blockchain, stablecoin), * stores a proof of payment. 4. **Retry with payment proof**\ The client retries the original request, including the payment proof. 5. **Access granted**\ The server verifies the payment and returns the requested resource. *** ### Why x402 in P-Link? P-Link uses x402 to enable: * automatic payment of HTTP resources, * creation of **smart payment links**, * payments initiated by **AI agents via MCP**, * seamless integration with crypto wallets. The goal is to make payments: * **programmatic**, * **frictionless**, * **fully automatable**. *** ### Architecture in P-Link #### x402 Server The P-Link server can expose endpoints protected by x402. When a resource requires payment: * the server returns an HTTP 402 response, * it includes all required payment metadata. Typical protected resources include: * premium APIs, * downloadable content, * paid actions or operations. *** #### x402 Client P-Link provides a client that can: * detect HTTP 402 responses, * interpret payment instructions, * execute the payment automatically, * retry the request with proof of payment. This client can be used: * in scripts, * in MCP tools, * by AI agents. *** #### MCP (Model Context Protocol) Integration All features in P-Link are exposed through **MCP**. The MCP server is available at The MCP API exposes a JSON manifest describing all available tools for compatible clients (ChatGPT, Claude, n8n, etc.) : Source code : This allows an AI to: * pay a x402-protected URL, * generate a payment link, * send funds, * inspect wallet data, simply by invoking MCP tools. *** ### MCP Tools Available in P-Link #### `pay_and_get_402_protected_url` Pays a x402-protected URL and automatically retrieves the resource. **Use case**\ An AI agent accesses a paid API without human intervention. *** #### `request_payment_link` Creates a customizable x402 payment link. **Use case**\ Generate a link that can be paid by an external agent or service. *** #### `send_money` Sends funds to: * a wallet address, * an email address, * or a phone number. *** #### `get_wallet_info` Returns wallet information: * address, * balance, * network. *** #### `get_wallet_history` Retrieves the transaction history of the wallet. *** ### Example x402 flow 1. An AI agent attempts to access a premium API. 2. The server responds with HTTP 402 and payment instructions. 3. The agent calls `pay_and_get_402_protected_url`. 4. The payment is executed automatically. 5. The API response is returned. 6. The agent continues its task uninterrupted. *** ### Benefits of the x402 protocol * Native HTTP payment signaling * Fully automated payments * Designed for AI agents * No user interface required * Ideal for micro-payments and paid APIs * MCP-compatible *** ### Limitations and considerations * The client must be **x402-compatible** * A properly configured wallet is required * Network or blockchain fees may apply *** ### Conclusion The **x402 protocol** is a core building block of P-Link.\ It transforms a simple HTTP response into an **automated, machine-friendly payment mechanism**, enabling truly autonomous services and AI-driven workflows. To go further: * explore the examples in the P-Link repository, * inspect the exposed MCP tools, * test a full x402 flow with an AI agent. *** P-Link also offers an **RSS** feed of payments received to an email address, phone number or wallet. ### RSS link format `https://p-link.io/RSS/[email]` 💡 Example :\ `https://p-link.io/RSS/contact@net-assembly.com` → list of payments received by this email. ### Possible uses * Integration with **Make** * Automation with **IFTTT** * Workflows **Zapier** * Custom no-code applications # Payments RSS Feed The RSS feed allows you to track payments received at a given address, each payment appears as an item in the feed ## Payment RSS Feeds The **P-Link RSS feed** allows you to automatically track payments received on a given address.\ Each payment triggers the publication of a new item in the feed. *** ### Feed URL Format: ``` https://p-link.io/rss/ ``` | Parameter | Description | | ------------------------ | -------------------------------------------------------------------------- | | `` | The wallet address or the email address associated with the P-Link account | *** ### Example RSS feed for address `4n9a...h77v`: ``` https://p-link.io/rss/4n9a...h77v ``` RSS feed for email `contact@example.com`: ``` https://p-link.io/rss/contact@example.com ``` *** ### Possible uses * **NoCode** automations (IFTTT, Make, Zapier…) * Instant notifications when a payment is received * Real-time payment history *** ### Integration with IFTTT How to connect a P-Link RSS feed to receive alerts on your phone: #### 1️⃣ Create a new IFTTT applet *** #### 2️⃣ Choose the RSS trigger * Click **Add** to choose a service * Search for **RSS** * Select **New feed item** *** #### 3️⃣ Paste the P-Link feed URL Example: ``` https://p-link.io/rss/contact@example.com ``` *** #### 4️⃣ Choose the action Possible examples: * Send an **email** * Show a **mobile notification** * Trigger a **webhook** to another service *** #### 5️⃣ Activate and test Once the applet is activated, each new payment to your address will trigger the chosen action. *** ### Example with Make (formerly Integromat) 1. Create a new scenario 2. Add an **RSS → Watch RSS Feed Items** module 3. Paste the P-Link feed URL 4. Connect it to an action (send email, add to Google Sheet, etc.) 💡 Tip: With Make, you can chain multiple actions automatically for each payment.ayments # Payment Status Check the status of a payment by calling the P-Link.io API ## Checking payment status ### Status verification After payment, the user is redirected to your URL with added parameter: ``` ?idPayment=[numeroDeTransaction] ``` You can then query the URL: ``` https://p-link.io/api/trxState/ ``` This URL will return the information about this payment in the form of a json structure ```json { "result": 2, "trx": "39M3...V8jt", "amount": 9.99, "sourcePayment": "4n9a...h77v", "receiverPayment": "FPnf...P6p4" } ``` ### Possible values of `result` : * `0` : Payment not started * `1` : Failure * `2` : Success # IPN: Instant Payment Notification Receive payment notifications on a specific URL ## IPN : Instant Payment Notification If you provided a **webhook**, P-Link will send a JSON POST to the entered URL for each payment. You can specify a webhook in two ways, either by creating a P-Link using the API, or by creating a P-Link using the interface available on ### Payload example ```json { "myParam": "transmitted value", "sourcePayment": "payer address", "USD_Amount": "USD amount", "trx": "transaction ID", "secret": "secret-key" } ``` # API : P-Link creation Create a P-Link with a simple line of code to easily customize the image, description and title of the payment page ## Creating a dynamic link (API) You can create a P-Link **on the fly** via the API `POST /api/createPLink`. This method allows access to additional advanced settings, such as customizing an image, title, or description on the payment page.. ### Example in JavaScript ```js const req = await fetch("https://p-link.io/api/createPLink", { method: "POST", body: JSON.stringify({ webhook: "https://my-site.com/webhook", notificationEmail: "contact@example.com", receivingPayment: "", returnOKURL: "https://my-site.com/success", returnURL: "https://my-site.com/cancel", autoConvertToUSD: "1", amount: 9.99, currency: "USD", description: "Product description", title: "Title displayed", logo: "https://mon-site.com/logo.png", expiryDate: Math.floor(Date.now() / 1000) + 60*60*24*15, selfDestruct: 1, param: "xyz" }) }); const plink_Info = await req.json(); console.log(plink_Info); ``` ``` { "link": "https://p-link.io/...", "secret": "secret-key" } ```