wallet_account_required; verification never creates a Free account. Standard Free signup is available at https://0xarchive.io/signup and paid wallet access at /v1/web3/subscribe.
Route Metadata
| Field | Value |
|---|---|
| Method | POST |
| Path | /v1/auth/web3/verify |
| operationId | web3Verify |
| Tag | Web3 Authentication |
| Family | Web3 Auth |
| Deprecated or legacy | no |
Human endpoint reference
OpenPOST /v1/auth/web3/verify for authentication, parameters, responses, and examples.
Request Body
application/json
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"title": "web3Verify request body",
"type": "object",
"required": [
"message",
"signature"
],
"properties": {
"message": {
"description": "SIWE message returned by `/v1/auth/web3/challenge` and signed by the wallet.",
"type": "string"
},
"signature": {
"description": "65-byte hex ECDSA signature, with or without 0x prefix.",
"type": "string",
"example": "0x0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"
}
}
}
Response Contracts
Status 200
SIWE verification succeeded and session cookies were set.application/json
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"title": "web3Verify response 200",
"description": "Successful SIWE verification response for an existing wallet account. The route also sets auth cookies for browser/session flows.",
"type": "object",
"required": [
"is_new_user",
"success",
"user"
],
"properties": {
"is_new_user": {
"description": "Always false. SIWE verification does not create wallet accounts.",
"type": "boolean",
"enum": [
false
],
"example": false
},
"success": {
"type": "boolean",
"example": true
},
"user": {
"type": "object",
"required": [
"email",
"id",
"tier",
"wallet_address"
],
"properties": {
"email": {
"description": "Account email associated with the wallet user.",
"type": "string"
},
"id": {
"type": "string",
"format": "uuid"
},
"tier": {
"description": "Current subscription tier.",
"type": "string",
"example": "free"
},
"wallet_address": {
"description": "Authenticated wallet address.",
"type": "string",
"example": "0x742d35cc6634c0532925a3b844bc9e7595f2bd18"
}
}
}
}
}
Status 400
Invalid requestapplication/json
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"title": "web3Verify response 400",
"description": "Error response",
"type": "object",
"properties": {
"code": {
"description": "HTTP status code",
"type": "integer"
},
"error": {
"description": "Error message",
"type": "string"
},
"error_code": {
"description": "Machine-readable error code. Common values: `invalid_query_params` (a query parameter failed to parse or validate) and `invalid_path_params` (a path parameter failed to parse). Other endpoint-specific codes exist; treat unknown codes as generic errors of the given HTTP status.",
"type": "string"
},
"param": {
"description": "The parameter at fault, when the error is about one parameter.",
"type": "string"
},
"request_id": {
"description": "Unique request ID for support",
"type": "string",
"format": "uuid"
},
"success": {
"description": "Always false on an error.",
"type": "boolean",
"example": false
}
}
}
OpenAPI example
{
"code": 400,
"error": "Failed to deserialize query string: limit: invalid digit found in string",
"error_code": "invalid_query_params",
"param": "limit",
"request_id": "3f2a9c71-5b0e-4d68-9a4c-7e1d2b6f8a05",
"success": false
}
Status 401
Authentication requiredapplication/json
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"title": "web3Verify response 401",
"description": "Error response",
"type": "object",
"properties": {
"code": {
"description": "HTTP status code",
"type": "integer"
},
"error": {
"description": "Error message",
"type": "string"
},
"error_code": {
"description": "Machine-readable error code. Common values: `invalid_query_params` (a query parameter failed to parse or validate) and `invalid_path_params` (a path parameter failed to parse). Other endpoint-specific codes exist; treat unknown codes as generic errors of the given HTTP status.",
"type": "string"
},
"param": {
"description": "The parameter at fault, when the error is about one parameter.",
"type": "string"
},
"request_id": {
"description": "Unique request ID for support",
"type": "string",
"format": "uuid"
},
"success": {
"description": "Always false on an error.",
"type": "boolean",
"example": false
}
}
}
OpenAPI example
{
"code": 401,
"error": "Missing authentication credentials. Provide X-API-Key header or Bearer token.",
"error_code": "unauthorized",
"request_id": "71ed4b6f-63ef-4ae1-a123-07ffa47c1c14",
"success": false
}
Status 403
The wallet does not have an existing account.application/json
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"title": "web3Verify response 403",
"type": "object",
"required": [
"code",
"error",
"error_code",
"request_id"
],
"properties": {
"code": {
"type": "integer",
"format": "int32"
},
"error": {
"type": "string"
},
"error_code": {
"type": "string"
},
"request_id": {
"type": "string"
}
}
}
OpenAPI example
{
"code": 403,
"error": "This wallet does not have an existing account. Use standard signup for Free access or purchase paid wallet access.",
"error_code": "wallet_account_required",
"request_id": "00000000-0000-0000-0000-000000000000"
}
Status 429
Rate limit exceededapplication/json
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"title": "web3Verify response 429",
"description": "Error response",
"type": "object",
"properties": {
"code": {
"description": "HTTP status code",
"type": "integer"
},
"error": {
"description": "Error message",
"type": "string"
},
"error_code": {
"description": "Machine-readable error code. Common values: `invalid_query_params` (a query parameter failed to parse or validate) and `invalid_path_params` (a path parameter failed to parse). Other endpoint-specific codes exist; treat unknown codes as generic errors of the given HTTP status.",
"type": "string"
},
"param": {
"description": "The parameter at fault, when the error is about one parameter.",
"type": "string"
},
"request_id": {
"description": "Unique request ID for support",
"type": "string",
"format": "uuid"
},
"success": {
"description": "Always false on an error.",
"type": "boolean",
"example": false
}
}
}
OpenAPI example
{
"code": 429,
"error": "Rate limit exceeded"
}