diff --git a/lamassu-next/packages/clink/package.json b/lamassu-next/packages/clink/package.json
index ae70e8e..3450146 100644
--- a/lamassu-next/packages/clink/package.json
+++ b/lamassu-next/packages/clink/package.json
@@ -21,6 +21,7 @@
   },
   "dependencies": {
     "@lamassu/nostr-client": "workspace:*",
+    "@scure/base": "^1.2.0",
     "nostr-tools": "^2.10.0"
   },
   "devDependencies": {
diff --git a/lamassu-next/packages/clink/src/__tests__/noffer.test.ts b/lamassu-next/packages/clink/src/__tests__/noffer.test.ts
new file mode 100644
index 0000000..996320e
--- /dev/null
+++ b/lamassu-next/packages/clink/src/__tests__/noffer.test.ts
@@ -0,0 +1,74 @@
+import { describe, it, expect } from 'vitest'
+import { encodeNoffer, decodeNoffer, isValidNoffer } from '../noffer.js'
+import type { CLINKOffer } from '../types.js'
+
+describe('noffer encoding/decoding', () => {
+  const sampleOffer: CLINKOffer = {
+    pubkey: 'a'.repeat(64), // 64 hex chars
+    relays: ['wss://relay.example.com', 'wss://relay2.example.com'],
+    priceType: 'variable',
+    description: 'Test offer',
+  }
+
+  describe('encodeNoffer', () => {
+    it('should encode a basic offer', () => {
+      const noffer = encodeNoffer(sampleOffer)
+
+      expect(noffer).toMatch(/^noffer1/)
+      expect(typeof noffer).toBe('string')
+    })
+
+    it('should encode an offer with amount', () => {
+      const offer: CLINKOffer = {
+        ...sampleOffer,
+        priceType: 'fixed',
+        amountMsat: 1000000,
+      }
+
+      const noffer = encodeNoffer(offer)
+      expect(noffer).toMatch(/^noffer1/)
+    })
+  })
+
+  describe('decodeNoffer', () => {
+    it('should round-trip encode/decode', () => {
+      const noffer = encodeNoffer(sampleOffer)
+      const decoded = decodeNoffer(noffer)
+
+      expect(decoded.pubkey).toBe(sampleOffer.pubkey)
+      expect(decoded.relays).toEqual(sampleOffer.relays)
+      expect(decoded.priceType).toBe(sampleOffer.priceType)
+      expect(decoded.description).toBe(sampleOffer.description)
+    })
+
+    it('should decode fixed price offer correctly', () => {
+      const offer: CLINKOffer = {
+        ...sampleOffer,
+        priceType: 'fixed',
+        amountMsat: 50000,
+      }
+
+      const noffer = encodeNoffer(offer)
+      const decoded = decodeNoffer(noffer)
+
+      expect(decoded.priceType).toBe('fixed')
+      expect(decoded.amountMsat).toBe(50000)
+    })
+
+    it('should throw on invalid prefix', () => {
+      expect(() => decodeNoffer('invalid1abc')).toThrow()
+    })
+  })
+
+  describe('isValidNoffer', () => {
+    it('should return true for valid noffer', () => {
+      const noffer = encodeNoffer(sampleOffer)
+      expect(isValidNoffer(noffer)).toBe(true)
+    })
+
+    it('should return false for invalid string', () => {
+      expect(isValidNoffer('invalid')).toBe(false)
+      expect(isValidNoffer('noffer1invalid')).toBe(false)
+    })
+  })
+})
diff --git a/lamassu-next/packages/clink/src/client.ts b/lamassu-next/packages/clink/src/client.ts
new file mode 100644
index 0000000..d26daf8
--- /dev/null
+++ b/lamassu-next/packages/clink/src/client.ts
@@ -0,0 +1,336 @@
+/**
+ * CLINK Client
+ *
+ * Handles CLINK protocol communication for ATM payments:
+ * - Creating and serving offers (noffer)
+ * - Handling offer requests and generating invoices
+ * - Processing debit requests
+ * - Receiving management commands
+ */
+
+import type { Event, UnsignedEvent } from 'nostr-tools'
+import { finalizeEvent } from 'nostr-tools'
+import type { MachineIdentity, NostrClient } from '@lamassu/nostr-client'
+import { encryptContent, decryptJSON } from '@lamassu/nostr-client'
+import {
+  CLINKEventKind,
+  type CLINKOffer,
+  type OfferRequest,
+  type OfferResponse,
+  type DebitRequest,
+  type DebitResponse,
+  type ManagementDelegation,
+  type GenerateInvoice,
+  type PayInvoice,
+} from './types.js'
+import { encodeNoffer } from './noffer.js'
+
+/** CLINK client options */
+export interface CLINKClientOptions {
+  /** Nostr client for communication */
+  nostrClient: NostrClient
+  /** Machine identity */
+  identity: MachineIdentity
+  /** Operator pubkey for management commands */
+  operatorPubkey: string
+  /** Relays to use for offers */
+  relays: string[]
+  /** Invoice generator function */
+  generateInvoice?: GenerateInvoice
+  /** Payment function */
+  payInvoice?: PayInvoice
+}
+
+/** Offer request handler */
+export type OfferRequestHandler = (
+  request: OfferRequest,
+  senderPubkey: string
+) => Promise<OfferResponse | null>
+
+/** Debit request handler */
+export type DebitRequestHandler = (
+  request: DebitRequest,
+  senderPubkey: string
+) => Promise<DebitResponse>
+
+/** Management command handler */
+export type ManagementHandler = (
+  delegation: ManagementDelegation,
+  senderPubkey: string
+) => Promise<void>
+
+/**
+ * CLINK protocol client for ATM payments
+ */
+export class CLINKClient {
+  private nostrClient: NostrClient
+  private identity: MachineIdentity
+  private operatorPubkey: string
+  private relays: string[]
+  private generateInvoice?: GenerateInvoice
+  private payInvoice?: PayInvoice
+
+  private offerHandler?: OfferRequestHandler
+  private debitHandler?: DebitRequestHandler
+  private managementHandler?: ManagementHandler
+
+  private subscriptionId?: string
+
+  constructor(options: CLINKClientOptions) {
+    this.nostrClient = options.nostrClient
+    this.identity = options.identity
+    this.operatorPubkey = options.operatorPubkey
+    this.relays = options.relays
+    this.generateInvoice = options.generateInvoice
+    this.payInvoice = options.payInvoice
+  }
+
+  /**
+   * Create a noffer (static payment code) for this machine
+   */
+  createOffer(options: {
+    priceType: CLINKOffer['priceType']
+    amountMsat?: number
+    description?: string
+    minAmountMsat?: number
+    maxAmountMsat?: number
+  }): string {
+    const offer: CLINKOffer = {
+      pubkey: this.identity.publicKey,
+      relays: this.relays,
+      priceType: options.priceType,
+      amountMsat: options.amountMsat,
+      description: options.description,
+      minAmountMsat: options.minAmountMsat,
+      maxAmountMsat: options.maxAmountMsat,
+    }
+
+    return encodeNoffer(offer)
+  }
+
+  /**
+   * Set handler for incoming offer requests
+   */
+  onOfferRequest(handler: OfferRequestHandler): void {
+    this.offerHandler = handler
+  }
+
+  /**
+   * Set handler for incoming debit requests
+   */
+  onDebitRequest(handler: DebitRequestHandler): void {
+    this.debitHandler = handler
+  }
+
+  /**
+   * Set handler for management commands
+   */
+  onManagement(handler: ManagementHandler): void {
+    this.managementHandler = handler
+  }
+
+  /**
+   * Start listening for CLINK events
+   */
+  startListening(): void {
+    if (this.subscriptionId) return
+
+    this.subscriptionId = this.nostrClient.subscribe(
+      [
+        {
+          kinds: [CLINKEventKind.Offer, CLINKEventKind.Debit, CLINKEventKind.Manage],
+          '#p': [this.identity.publicKey],
+        },
+      ],
+      {
+        onEvent: (event) => this.handleEvent(event),
+      }
+    )
+  }
+
+  /**
+   * Stop listening for CLINK events
+   */
+  stopListening(): void {
+    if (this.subscriptionId) {
+      this.nostrClient.unsubscribe(this.subscriptionId)
+      this.subscriptionId = undefined
+    }
+  }
+
+  /**
+   * Send an offer request to another pubkey
+   */
+  async requestOffer(targetPubkey: string, request: OfferRequest): Promise<OfferResponse> {
+    const content = encryptContent(this.identity, targetPubkey, request)
+
+    const event = this.createSignedEvent({
+      kind: CLINKEventKind.Offer,
+      content,
+      tags: [['p', targetPubkey]],
+      created_at: Math.floor(Date.now() / 1000),
+    })
+
+    await this.nostrClient.publish(event)
+
+    // Wait for response
+    return this.waitForResponse<OfferResponse>(targetPubkey, CLINKEventKind.Offer)
+  }
+
+  /**
+   * Send a debit request
+   */
+  async requestDebit(targetPubkey: string, request: DebitRequest): Promise<DebitResponse> {
+    const content = encryptContent(this.identity, targetPubkey, request)
+
+    const event = this.createSignedEvent({
+      kind: CLINKEventKind.Debit,
+      content,
+      tags: [['p', targetPubkey]],
+      created_at: Math.floor(Date.now() / 1000),
+    })
+
+    await this.nostrClient.publish(event)
+
+    return this.waitForResponse<DebitResponse>(targetPubkey, CLINKEventKind.Debit)
+  }
+
+  /**
+   * Handle incoming CLINK event
+   */
+  private async handleEvent(event: Event): Promise<void> {
+    try {
+      switch (event.kind) {
+        case CLINKEventKind.Offer:
+          await this.handleOfferEvent(event)
+          break
+        case CLINKEventKind.Debit:
+          await this.handleDebitEvent(event)
+          break
+        case CLINKEventKind.Manage:
+          await this.handleManageEvent(event)
+          break
+      }
+    } catch (error) {
+      console.error('Error handling CLINK event:', error)
+    }
+  }
+
+  /**
+   * Handle offer request/response
+   */
+  private async handleOfferEvent(event: Event): Promise<void> {
+    if (!this.offerHandler) return
+
+    const request = decryptJSON<OfferRequest>(this.identity, event.pubkey, event.content)
+
+    const response = await this.offerHandler(request, event.pubkey)
+    if (!response) return
+
+    // Send encrypted response
+    const content = encryptContent(this.identity, event.pubkey, response)
+
+    const responseEvent = this.createSignedEvent({
+      kind: CLINKEventKind.Offer,
+      content,
+      tags: [
+        ['p', event.pubkey],
+        ['e', event.id],
+      ],
+      created_at: Math.floor(Date.now() / 1000),
+    })
+
+    await this.nostrClient.publish(responseEvent)
+  }
+
+  /**
+   * Handle debit request
+   */
+  private async handleDebitEvent(event: Event): Promise<void> {
+    if (!this.debitHandler) return
+
+    const request = decryptJSON<DebitRequest>(this.identity, event.pubkey, event.content)
+
+    const response = await this.debitHandler(request, event.pubkey)
+
+    // Send encrypted response
+    const content = encryptContent(this.identity, event.pubkey, response)
+
+    const responseEvent = this.createSignedEvent({
+      kind: CLINKEventKind.Debit,
+      content,
+      tags: [
+        ['p', event.pubkey],
+        ['e', event.id],
+      ],
+      created_at: Math.floor(Date.now() / 1000),
+    })
+
+    await this.nostrClient.publish(responseEvent)
+  }
+
+  /**
+   * Handle management command
+   */
+  private async handleManageEvent(event: Event): Promise<void> {
+    // Only accept from operator
+    if (event.pubkey !== this.operatorPubkey) {
+      console.warn('Ignoring management command from non-operator:', event.pubkey)
+      return
+    }
+
+    if (!this.managementHandler) return
+
+    const delegation = decryptJSON<ManagementDelegation>(this.identity, event.pubkey, event.content)
+
+    await this.managementHandler(delegation, event.pubkey)
+  }
+
+  /**
+   * Wait for a response event
+   */
+  private waitForResponse<T>(fromPubkey: string, kind: number): Promise<T> {
+    return new Promise((resolve, reject) => {
+      const timeout = setTimeout(() => {
+        this.nostrClient.unsubscribe(subId)
+        reject(new Error('Response timeout'))
+      }, 30000)
+
+      const subId = this.nostrClient.subscribe(
+        [
+          {
+            kinds: [kind],
+            authors: [fromPubkey],
+            '#p': [this.identity.publicKey],
+            since: Math.floor(Date.now() / 1000) - 5,
+          },
+        ],
+        {
+          onEvent: (event) => {
+            clearTimeout(timeout)
+            this.nostrClient.unsubscribe(subId)
+            try {
+              const response = decryptJSON<T>(this.identity, fromPubkey, event.content)
+              resolve(response)
+            } catch (e) {
+              reject(e)
+            }
+          },
+        }
+      )
+    })
+  }
+
+  /**
+   * Create a signed event
+   */
+  private createSignedEvent(event: Omit<UnsignedEvent, 'pubkey'>): Event {
+    return finalizeEvent(
+      {
+        ...event,
+        pubkey: this.identity.publicKey,
+      },
+      this.identity.privateKey
+    )
+  }
+}
diff --git a/lamassu-next/packages/clink/src/index.ts b/lamassu-next/packages/clink/src/index.ts
new file mode 100644
index 0000000..de87f97
--- /dev/null
+++ b/lamassu-next/packages/clink/src/index.ts
@@ -0,0 +1,67 @@
+/**
+ * @lamassu/clink
+ *
+ * CLINK protocol implementation for Nostr-native Lightning payments.
+ *
+ * CLINK enables static payment codes (noffers) that work over Nostr,
+ * providing a decentralized alternative to BOLT12 offers.
+ *
+ * @example
+ * ```typescript
+ * import { CLINKClient, encodeNoffer, decodeNoffer } from '@lamassu/clink'
+ *
+ * // Create a client
+ * const clink = new CLINKClient({
+ *   nostrClient,
+ *   identity,
+ *   operatorPubkey,
+ *   relays: ['wss://relay.example.com'],
+ * })
+ *
+ * // Create a noffer for the ATM
+ * const noffer = clink.createOffer({
+ *   priceType: 'variable',
+ *   description: 'Buy Bitcoin at ATM',
+ * })
+ *
+ * // Handle incoming offer requests
+ * clink.onOfferRequest(async (request, senderPubkey) => {
+ *   const invoice = await generateInvoice(request.amountMsat)
+ *   return {
+ *     invoice,
+ *     amountMsat: request.amountMsat,
+ *     expiresAt: Date.now() / 1000 + 600,
+ *   }
+ * })
+ *
+ * clink.startListening()
+ * ```
+ */
+
+// Client
+export { CLINKClient } from './client.js'
+export type {
+  CLINKClientOptions,
+  OfferRequestHandler,
+  DebitRequestHandler,
+  ManagementHandler,
+} from './client.js'
+
+// noffer encoding/decoding
+export { encodeNoffer, decodeNoffer, isValidNoffer } from './noffer.js'
+
+// Types
+export {
+  CLINKEventKind,
+  NofferTLV,
+  type PriceType,
+  type CLINKOffer,
+  type OfferRequest,
+  type OfferResponse,
+  type DebitRequest,
+  type DebitResponse,
+  type ManagementAction,
+  type ManagementDelegation,
+  type GenerateInvoice,
+  type PayInvoice,
+} from './types.js'
diff --git a/lamassu-next/packages/clink/src/noffer.ts b/lamassu-next/packages/clink/src/noffer.ts
new file mode 100644
index 0000000..e98300c
--- /dev/null
+++ b/lamassu-next/packages/clink/src/noffer.ts
@@ -0,0 +1,207 @@
+/**
+ * noffer encoding/decoding
+ *
+ * noffers are bech32-encoded static payment codes that contain
+ * pubkey, relays, and pricing information.
+ *
+ * Format: noffer1<bech32-encoded-tlv-data>
+ */
+
+import { bech32 } from '@scure/base'
+import type { CLINKOffer, PriceType } from './types.js'
+import { NofferTLV } from './types.js'
+
+const NOFFER_PREFIX = 'noffer'
+const BECH32_LIMIT = 2000
+
+/**
+ * Encode a CLINK offer as a noffer string
+ */
+export function encodeNoffer(offer: CLINKOffer): string {
+  const tlvData: number[] = []
+
+  // Pubkey (TLV 0)
+  const pubkeyBytes = hexToBytes(offer.pubkey)
+  writeTLV(tlvData, NofferTLV.Pubkey, pubkeyBytes)
+
+  // Relays (TLV 1) - one entry per relay
+  for (const relay of offer.relays) {
+    const relayBytes = new TextEncoder().encode(relay)
+    writeTLV(tlvData, NofferTLV.Relay, relayBytes)
+  }
+
+  // Price type (TLV 2)
+  const priceTypeByte = encodePriceType(offer.priceType)
+  writeTLV(tlvData, NofferTLV.PriceType, [priceTypeByte])
+
+  // Amount (TLV 3) - if present
+  if (offer.amountMsat !== undefined) {
+    const amountBytes = encodeUint64BE(offer.amountMsat)
+    writeTLV(tlvData, NofferTLV.Amount, amountBytes)
+  }
+
+  // Description (TLV 4) - if present
+  if (offer.description) {
+    const descBytes = new TextEncoder().encode(offer.description)
+    writeTLV(tlvData, NofferTLV.Description, descBytes)
+  }
+
+  // Convert to Uint8Array and bech32 encode
+  const bytes = new Uint8Array(tlvData)
+  const words = bech32.toWords(bytes)
+
+  return bech32.encode(NOFFER_PREFIX, words, BECH32_LIMIT)
+}
+
+/**
+ * Decode a noffer string to a CLINK offer
+ */
+export function decodeNoffer(noffer: string): CLINKOffer {
+  // Decode bech32
+  const { prefix, words } = bech32.decode(noffer, BECH32_LIMIT)
+
+  if (prefix !== NOFFER_PREFIX) {
+    throw new Error(`Invalid noffer prefix: ${prefix}`)
+  }
+
+  const bytes = bech32.fromWords(words)
+  const data = new Uint8Array(bytes)
+
+  // Parse TLV entries
+  let pubkey: string | undefined
+  const relays: string[] = []
+  let priceType: PriceType = 'spontaneous'
+  let amountMsat: number | undefined
+  let description: string | undefined
+
+  let offset = 0
+  while (offset < data.length) {
+    const type = data[offset]
+    offset++
+
+    if (offset >= data.length) break
+
+    const length = data[offset]
+    offset++
+
+    if (offset + (length ?? 0) > data.length) {
+      throw new Error('Invalid TLV: data truncated')
+    }
+
+    const value = data.slice(offset, offset + (length ?? 0))
+    offset += length ?? 0
+
+    switch (type) {
+      case NofferTLV.Pubkey:
+        pubkey = bytesToHex(value)
+        break
+      case NofferTLV.Relay:
+        relays.push(new TextDecoder().decode(value))
+        break
+      case NofferTLV.PriceType:
+        priceType = decodePriceType(value[0] ?? 2)
+        break
+      case NofferTLV.Amount:
+        amountMsat = decodeUint64BE(value)
+        break
+      case NofferTLV.Description:
+        description = new TextDecoder().decode(value)
+        break
+      // Ignore unknown TLV types for forward compatibility
+    }
+  }
+
+  if (!pubkey) {
+    throw new Error('Invalid noffer: missing pubkey')
+  }
+
+  if (relays.length === 0) {
+    throw new Error('Invalid noffer: no relays')
+  }
+
+  return {
+    pubkey,
+    relays,
+    priceType,
+    amountMsat,
+    description,
+  }
+}
+
+/**
+ * Validate a noffer string without fully decoding
+ */
+export function isValidNoffer(noffer: string): boolean {
+  try {
+    decodeNoffer(noffer)
+    return true
+  } catch {
+    return false
+  }
+}
+
+// TLV helpers
+
+function writeTLV(data: number[], type: number, value: number[] | Uint8Array): void {
+  data.push(type)
+  data.push(value.length)
+  for (const byte of value) {
+    data.push(byte)
+  }
+}
+
+function encodePriceType(priceType: PriceType): number {
+  switch (priceType) {
+    case 'fixed':
+      return 0
+    case 'variable':
+      return 1
+    case 'spontaneous':
+      return 2
+    default:
+      return 2
+  }
+}
+
+function decodePriceType(byte: number): PriceType {
+  switch (byte) {
+    case 0:
+      return 'fixed'
+    case 1:
+      return 'variable'
+    case 2:
+      return 'spontaneous'
+    default:
+      return 'spontaneous'
+  }
+}
+
+function encodeUint64BE(value: number): number[] {
+  const bytes: number[] = []
+  for (let i = 7; i >= 0; i--) {
+    bytes.push((value >> (i * 8)) & 0xff)
+  }
+  return bytes
+}
+
+function decodeUint64BE(bytes: Uint8Array): number {
+  let value = 0
+  for (let i = 0; i < bytes.length && i < 8; i++) {
+    value = value * 256 + (bytes[i] ?? 0)
+  }
+  return value
+}
+
+function hexToBytes(hex: string): Uint8Array {
+  const bytes = new Uint8Array(hex.length / 2)
+  for (let i = 0; i < hex.length; i += 2) {
+    bytes[i / 2] = parseInt(hex.slice(i, i + 2), 16)
+  }
+  return bytes
+}
+
+function bytesToHex(bytes: Uint8Array): string {
+  return Array.from(bytes)
+    .map((b) => b.toString(16).padStart(2, '0'))
+    .join('')
+}
diff --git a/lamassu-next/packages/clink/src/types.ts b/lamassu-next/packages/clink/src/types.ts
new file mode 100644
index 0000000..688f11d
--- /dev/null
+++ b/lamassu-next/packages/clink/src/types.ts
@@ -0,0 +1,129 @@
+/**
+ * CLINK Protocol type definitions
+ *
+ * CLINK is a Nostr-native Lightning payment protocol that enables
+ * static payment codes (noffers) over Nostr relays.
+ *
+ * Event kinds:
+ * - 21001: Offer request/response
+ * - 21002: Debit request/response
+ * - 21003: Management delegation
+ */
+
+/** CLINK event kinds */
+export enum CLINKEventKind {
+  /** Offer request/response */
+  Offer = 21001,
+  /** Debit request/response (authorized payments) */
+  Debit = 21002,
+  /** Management delegation */
+  Manage = 21003,
+}
+
+/** Offer price type */
+export type PriceType = 'fixed' | 'variable' | 'spontaneous'
+
+/** CLINK Offer (noffer) configuration */
+export interface CLINKOffer {
+  /** Public key of the offer creator */
+  pubkey: string
+  /** Relays where the offer is accessible */
+  relays: string[]
+  /** Pricing model */
+  priceType: PriceType
+  /** Amount in millisatoshis (for fixed price) */
+  amountMsat?: number
+  /** Human-readable description */
+  description?: string
+  /** Minimum amount in msats (for variable/spontaneous) */
+  minAmountMsat?: number
+  /** Maximum amount in msats (for variable/spontaneous) */
+  maxAmountMsat?: number
+}
+
+/** Offer request (Kind 21001) */
+export interface OfferRequest {
+  /** Requested amount in millisatoshis */
+  amountMsat: number
+  /** Fiat amount (for ATM context) */
+  fiatAmount?: number
+  /** Fiat currency code */
+  fiatCurrency?: string
+  /** Sender's callback pubkey for response */
+  senderPubkey: string
+  /** Optional message */
+  message?: string
+}
+
+/** Offer response (Kind 21001) */
+export interface OfferResponse {
+  /** BOLT11 invoice to pay */
+  invoice: string
+  /** Amount in millisatoshis */
+  amountMsat: number
+  /** Optional description */
+  description?: string
+  /** Expiry timestamp */
+  expiresAt: number
+}
+
+/** Debit request (Kind 21002) */
+export interface DebitRequest {
+  /** Amount to debit in millisatoshis */
+  amountMsat: number
+  /** Recipient's pubkey */
+  recipientPubkey: string
+  /** Optional description */
+  description?: string
+  /** Unique request ID for idempotency */
+  requestId: string
+}
+
+/** Debit response (Kind 21002) */
+export interface DebitResponse {
+  /** Whether the debit was successful */
+  success: boolean
+  /** Payment preimage (proof of payment) */
+  preimage?: string
+  /** Error message if failed */
+  error?: string
+  /** Matching request ID */
+  requestId: string
+}
+
+/** Management action (Kind 21003) */
+export type ManagementAction =
+  | { type: 'disable' }
+  | { type: 'enable' }
+  | { type: 'set_limits'; minMsat: number; maxMsat: number }
+  | { type: 'revoke' }
+
+/** Management delegation (Kind 21003) */
+export interface ManagementDelegation {
+  /** Target machine/account pubkey */
+  targetPubkey: string
+  /** Delegated action */
+  action: ManagementAction
+  /** Timestamp */
+  timestamp: number
+}
+
+/** noffer TLV types */
+export enum NofferTLV {
+  /** Public key (32 bytes) */
+  Pubkey = 0,
+  /** Relay URL (variable length string) */
+  Relay = 1,
+  /** Price type (1 byte: 0=fixed, 1=variable, 2=spontaneous) */
+  PriceType = 2,
+  /** Amount in msats (8 bytes, big-endian) */
+  Amount = 3,
+  /** Description (variable length string) */
+  Description = 4,
+}
+
+/** Invoice generation function type */
+export type GenerateInvoice = (amountMsat: number) => Promise<string>
+
+/** Payment function type */
+export type PayInvoice = (invoice: string) => Promise<{ preimage: string } | { error: string }>
diff --git a/lamassu-next/packages/clink/tsconfig.json b/lamassu-next/packages/clink/tsconfig.json
new file mode 100644
index 0000000..d770c39
--- /dev/null
+++ b/lamassu-next/packages/clink/tsconfig.json
@@ -0,0 +1,22 @@
+{
+  "compilerOptions": {
+    "target": "ES2022",
+    "module": "NodeNext",
+    "moduleResolution": "NodeNext",
+    "declaration": true,
+    "declarationMap": true,
+    "sourceMap": true,
+    "outDir": "./dist",
+    "rootDir": "./src",
+    "strict": true,
+    "strictNullChecks": true,
+    "noUncheckedIndexedAccess": true,
+    "esModuleInterop": true,
+    "skipLibCheck": true,
+    "forceConsistentCasingInFileNames": true,
+    "resolveJsonModule": true,
+    "isolatedModules": true
+  },
+  "include": ["src/**/*"],
+  "exclude": ["node_modules", "dist", "**/*.test.ts"]
+}
diff --git a/lamassu-next/packages/clink/vitest.config.ts b/lamassu-next/packages/clink/vitest.config.ts
new file mode 100644
index 0000000..9fb4f14
--- /dev/null
+++ b/lamassu-next/packages/clink/vitest.config.ts
@@ -0,0 +1,8 @@
+import { defineConfig } from 'vitest/config'
+
+export default defineConfig({
+  test: {
+    include: ['src/**/*.test.ts'],
+    globals: false,
+  },
+})