> ## Documentation Index > Fetch the complete documentation index at: https://docs.tender.cash/llms.txt > Use this file to discover all available pages before exploring further. # Validate Payment > Validate a payment transaction by ID **Auth method: Basic (Access ID)** — this endpoint only requires your `x-access-id` header. No request signing is needed. See [Authentication](/api-reference/authentication#basic-access-id-authentication). ## Path Parameters Transaction ID to validate **Example:** `"6475140f90e4c515f231fcea"` ## Headers Your API access ID provided by Tender **Example:** `"your-access-id-here"` ## Response Status of the API request **Example:** `"success"` Human-readable message describing the result **Example:** `"payment received"` The validated payment transaction details Unique MongoDB identifier for the transaction **Example:** `"6475140f90e4c515f231fcea"` Transaction type **Example:** `"receive"` Blockchain network used **Example:** `"ethereum"` Detailed blockchain network information Chain MongoDB ID **Example:** `"64f782bb4278fc475eb30e29"` Chain display name **Example:** `"Ethereum"` Chain icon URL **Example:** `"https://example.com/ethereum.png"` Chain identifier **Example:** `"ethereum"` Native coin symbol **Example:** `"ETH"` Chain status **Example:** `"active"` Blockchain explorer URL **Example:** `"https://etherscan.io"` Type of blockchain **Example:** `"evm"` Whether pre-funded wallets are allowed **Example:** `false` Whether this supports multiple chains **Example:** `false` RPC endpoint URL **Example:** `"https://eth-mainnet.g.alchemy.com/v2/..."` Chain category type **Example:** `"blockchain"` ISO 8601 timestamp **Example:** `"2023-05-29T21:07:27.509Z"` ISO 8601 timestamp **Example:** `"2023-05-29T21:07:27.509Z"` Detailed currency information Currency MongoDB ID **Example:** `"6454b021cf6b3b771926792e"` Currency identifier **Example:** `"usdt"` Currency full name **Example:** `"Tether USD"` Currency icon URL **Example:** `"https://example.com/usdt.png"` Whether this is a smart contract token **Example:** `true` Supported blockchain networks **Example:** `["ethereum", "bsc", "polygon"]` Currency symbol **Example:** `"USDT"` Price tracking identifier **Example:** `"tether"` Transaction fee **Example:** `"0.001"` Currency status **Example:** `"active"` Currency type **Example:** `"token"` ISO 8601 timestamp **Example:** `"2023-05-29T21:07:27.509Z"` ISO 8601 timestamp **Example:** `"2023-05-29T21:07:27.509Z"` Wallet address involved in the transaction **Example:** `"0xC6FF2283472C0403a178D8E565D50588DefAc85B"` Wallet address index **Example:** `"0"` Transaction amount in cryptocurrency **Example:** `"0.0001"` Transaction amount in USD **Example:** `"0.1893"` Amount in coin denomination **Example:** `"0.0001"` Transaction fee **Example:** `"0"` Transaction fee in USD **Example:** `"0"` Whether the fee has been sent **Example:** `false` Wallet activation fee **Example:** `"0"` Wallet activation fee in USD **Example:** `"0"` Exchange rate used **Example:** `"1893"` Agent details associated with the transaction Agent MongoDB ID **Example:** `"6473034c48441d031ed5f299"` Agent first name **Example:** `"John"` Agent last name **Example:** `"Doe"` Agent email address **Example:** `"john@example.com"` Agent avatar URL **Example:** `"https://example.com/avatar.jpg"` Agent phone number **Example:** `"+1234567890"` Agent location **Example:** `"New York, USA"` Total sales amount **Example:** `"1500.50"` Agent country **Example:** `"USA"` Agent address **Example:** `"123 Main St"` Whether agent is active **Example:** `true` Agent unique identifier **Example:** `"AGT-001"` Agent wallet balance **Example:** `"500.00"` Associated merchant ID **Example:** `"647302dea2f273c67b878a66"` Agent's default fiat currency settings Currency code **Example:** `"USD"` Conversion rate **Example:** `"1"` Whether to use system rate **Example:** `true` Merchant details associated with the transaction Merchant MongoDB ID **Example:** `"647302dea2f273c67b878a66"` Merchant first name **Example:** `"Jane"` Merchant last name **Example:** `"Smith"` Merchant email address **Example:** `"jane@example.com"` Merchant avatar URL **Example:** `"https://example.com/merchant-avatar.jpg"` Merchant phone number **Example:** `"+1234567890"` Whether merchant is active **Example:** `true` Merchant logo URL **Example:** `"https://example.com/logo.png"` Merchant business name **Example:** `"Example Store"` Merchant description **Example:** `"Online retail store"` Two-factor authentication status **Example:** `false` KYC verification status **Example:** `false` KYC submission status **Example:** `false` Instant conversion enabled **Example:** `false` Default currency **Example:** `"USD"` Merchant wallet balance **Example:** `"1000.00"` Whether merchant is deleted **Example:** `false` Whether wallet was regenerated **Example:** `false` Whether funds have been transferred **Example:** `false` Smart contract address (for token transactions) **Example:** `""` Current status of the transaction **Example:** `"completed"` Whether payment is blacklisted **Example:** `false` Actual amount received **Example:** `"0.0001"` Amount received in USD **Example:** `"0.1893"` Balance still required **Example:** `"0"` Balance required in USD **Example:** `"0"` Whether this is a partial payment **Example:** `false` Amount in agent's currency **Example:** `"0.1893"` Amount received in agent's currency **Example:** `"0.1893"` Balance required in agent's currency **Example:** `"0"` Unique transaction identifier **Example:** `"6475140f90e4c515f231fcea"` ISO 8601 timestamp when the transaction was created **Example:** `"2023-05-29T21:07:27.509Z"` ISO 8601 timestamp when the transaction was last updated **Example:** `"2023-05-29T21:07:27.509Z"` ## OpenAPI ````yaml POST /v1/api/payment/validate/{id} openapi: 3.1.0 info: title: Tender API description: Tender Developer API for cryptocurrency payments and agent management version: 1.0.0 contact: name: Tender Support url: https://tender.cash servers: - url: https://secureapi.tender.cash description: Production Server - url: https://sandbox-api.tender.cash description: Sandbox Server security: - SignedAuth: [] tags: - name: Agents description: Manage agents and sub-businesses - name: Transactions description: Payment and transaction operations - name: System description: System information and configuration - name: Webhooks description: Webhook management and logs - name: On-ramp description: Fiat-to-crypto on-ramp operations - name: Payouts description: Send crypto from merchant balance to a wallet address or payout account - name: Subwallets description: Provision and manage crypto wallet infrastructure for your end-users paths: /v1/api/payment/validate/{id}: post: tags: - Transactions summary: Validate Payment description: Validate a payment transaction by ID operationId: validatePayment parameters: - name: id in: path required: true description: Transaction ID schema: type: string - name: x-access-id in: header required: true description: Your API access ID provided by Tender schema: type: string example: your-access-id-here responses: '200': description: Payment validation result content: application/json: schema: $ref: '#/components/schemas/ValidatePaymentResponse' security: - AccessIdAuth: [] components: schemas: ValidatePaymentResponse: type: object properties: status: type: string message: type: string data: type: object properties: _id: type: string type: type: string chain: type: string currency: type: string walletAddress: type: string amount: type: string usdAmount: type: string fee: type: string agentId: type: string merchantId: type: string status: type: string txId: type: string createdAt: type: string format: date-time updatedAt: type: string format: date-time securitySchemes: SignedAuth: type: apiKey in: header name: authorization description: >- Signed (HMAC) authentication. Required headers: x-access-id, x-request-id (UUID v4), x-timestamp (ISO 8601), and authorization (Base64 HMAC-SHA256 signature of {timeStamp, requestId, accessId} using your access secret). AccessIdAuth: type: apiKey in: header name: x-access-id description: >- Basic (Access ID) authentication. Only the x-access-id header is required; no request signing. ````