curl -X POST "https://api.blockdb.io/v1/evm/raw/blocks-summary" \
-H "Authorization: Bearer $BLOCKDB_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"chain_id": 1,
"from_block": 18900000,
"to_block": 18900999,
"from_timestamp": null,
"to_timestamp": null,
"include_fee_histogram": true,
"bucket_granularity": "hour"
}'
#include <curl/curl.h>
#include <stdio.h>
#include <stdlib.h>
int main(void) {
CURL *curl = curl_easy_init();
if (!curl) return 1;
const char *token = getenv("BLOCKDB_API_KEY");
char auth_header[256];
snprintf(auth_header, sizeof(auth_header), "Authorization: Bearer %s", token ? token : "");
const char *payload = "{\"chain_id\":1,\"from_block\":18900000,\"to_block\":18900999,\"from_timestamp\":null,\"to_timestamp\":null,\"include_fee_histogram\":true,\"bucket_granularity\":\"hour\"}";
struct curl_slist *headers = NULL;
headers = curl_slist_append(headers, auth_header);
headers = curl_slist_append(headers, "Content-Type: application/json");
curl_easy_setopt(curl, CURLOPT_URL, "https://api.blockdb.io/v1/evm/raw/blocks-summary");
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
curl_easy_setopt(curl, CURLOPT_POSTFIELDS, payload);
CURLcode res = curl_easy_perform(curl);
curl_slist_free_all(headers);
curl_easy_cleanup(curl);
return res == CURLE_OK ? 0 : 1;
}
using System;
using System.Net.Http;
using System.Net.Http.Headers;
using System.Text;
using System.Threading.Tasks;
class Program
{
static async Task Main()
{
using var client = new HttpClient();
client.DefaultRequestHeaders.Authorization =
new AuthenticationHeaderValue("Bearer", Environment.GetEnvironmentVariable("BLOCKDB_API_KEY"));
var payload = new StringContent(
"{\"chain_id\":1,\"from_block\":18900000,\"to_block\":18900999,\"from_timestamp\":null,\"to_timestamp\":null,\"include_fee_histogram\":true,\"bucket_granularity\":\"hour\"}",
Encoding.UTF8,
"application/json"
);
var response = await client.PostAsync("https://api.blockdb.io/v1/evm/raw/blocks-summary", payload);
response.EnsureSuccessStatusCode();
var body = await response.Content.ReadAsStringAsync();
Console.WriteLine(body);
}
}
import os
import requests
response = requests.post(
"https://api.blockdb.io/v1/evm/raw/blocks-summary",
headers={
"Authorization": f"Bearer {os.getenv('BLOCKDB_API_KEY')}",
"Content-Type": "application/json"
},
json={'bucket_granularity': 'hour',
'chain_id': 1,
'from_block': 18900000,
'from_timestamp': None,
'include_fee_histogram': True,
'to_block': 18900999,
'to_timestamp': None}
)
data = response.json()
print(data)
const response = await fetch("https://api.blockdb.io/v1/evm/raw/blocks-summary", {
method: "POST",
headers: {
"Authorization": `Bearer ${process.env.BLOCKDB_API_KEY}`,
"Content-Type": "application/json"
},
body: JSON.stringify({
"chain_id": 1,
"from_block": 18900000,
"to_block": 18900999,
"from_timestamp": null,
"to_timestamp": null,
"include_fee_histogram": true,
"bucket_granularity": "hour"
})
});
const data = await response.json();
console.log(data);
package main
import (
"fmt"
"net/http"
"os"
"strings"
)
func main() {
payload := strings.NewReader(`{
"chain_id": 1,
"from_block": 18900000,
"to_block": 18900999,
"from_timestamp": null,
"to_timestamp": null,
"include_fee_histogram": true,
"bucket_granularity": "hour"
}`)
req, _ := http.NewRequest("POST", "https://api.blockdb.io/v1/evm/raw/blocks-summary", payload)
req.Header.Set("Authorization", fmt.Sprintf("Bearer %s", os.Getenv("BLOCKDB_API_KEY")))
req.Header.Set("Content-Type", "application/json")
client := &http.Client{}
resp, _ := client.Do(req)
defer resp.Body.Close()
// Handle response
}
{
"meta": {
"chain_id": 1,
"request_window": {
"from_block": 18900000,
"to_block": 18900999,
"from_timestamp": null,
"to_timestamp": null
},
"resolved_window": {
"from_block": 18900000,
"to_block": 18900999,
"from_timestamp": null,
"to_timestamp": null
},
"filters": {
"include_fee_histogram": true,
"bucket_granularity": "hour"
}
},
"data": [
{
"bucket_start": "2025-11-11T00:00:00Z",
"bucket_end": "2025-11-11T00:59:59Z",
"bucket_granularity": "hour",
"block_count": 300,
"min_block_number": 18900000,
"max_block_number": 18900299,
"tx_count": 420000,
"successful_tx_count": 405000,
"failed_tx_count": 15000,
"unique_senders": 128456,
"unique_recipients": 98234,
"gas_used": "9203456789000",
"gas_limit": "9300000000000",
"base_fee_per_gas_min": "2100000000",
"base_fee_per_gas_max": "2300000000",
"base_fee_per_gas_avg": "2195000000",
"priority_fee_per_gas_avg": "1500000000",
"burned_fees": "1932000000000000000",
"net_issuance": "-1300000000000000000",
"fee_histogram": [
{
"bucket_index": 0,
"max_effective_gas_price": "500000000",
"tx_count": 42000
}
]
}
],
"cursor": null,
"page_count": 1
}
{
"error": {
"code": "BAD_REQUEST",
"http_status": 400,
"message": "The request contains invalid or missing parameters.",
"hint": "Validate all required parameters against the endpoint specification before retrying.",
"severity": "error",
"retryable": false,
"details": {
"invalid_parameters": [
{
"name": "chain_id",
"location": "query",
"reason": "missing",
"expected": "positive integer, e.g. 1"
},
{
"name": "from_timestamp",
"location": "query",
"reason": "invalid_format",
"expected": "ISO-8601 UTC timestamp, e.g. 2025-11-11T00:00:00Z"
}
]
},
"docs_url": "https://docs.blockdb.io/api-reference/overview/home"
}
}
{
"error": {
"code": "UNAUTHORIZED",
"http_status": 401,
"message": "Invalid or missing API key.",
"hint": "Ensure you send 'Authorization: Bearer <API_KEY>' in every request to this endpoint.",
"severity": "error",
"retryable": false,
"details": {
"auth_scheme": "bearer",
"expected_header": "Authorization: Bearer <API_KEY>",
"provided_header": "Authorization: <REDACTED_OR_MISSING>",
"token_status": "invalid_or_missing",
"recommendation": "Regenerate the API key if you suspect it is expired or compromised."
},
"docs_url": "https://docs.blockdb.io/api-reference/overview/authorization"
}
}
{
"error": {
"code": "FORBIDDEN",
"http_status": 403,
"message": "Your API key does not have permission to access this endpoint.",
"hint": "Upgrade your subscription tier or request additional access.",
"severity": "warning",
"retryable": false,
"details": {
"required_plan": "production",
"your_plan": null,
"contact": "support@blockdb.io",
"recommendation": "Contact BlockDB Support Team via email support@blockdb.io."
},
"docs_url": "https://docs.blockdb.io/api-reference/overview/error-codes"
}
}
{
"error": {
"code": "NOT_FOUND",
"http_status": 404,
"message": "The requested resource does not exist.",
"hint": "Verify the API endpoint",
"severity": "warning",
"retryable": false,
"docs_url": "https://docs.blockdb.io/api-reference/overview/error-codes"
}
}
{
"error": {
"code": "PAYLOAD_TOO_LARGE",
"http_status": 413,
"message": "The requested response exceeds the maximum allowed size of 10 MB.",
"hint": "Reduce the limit, narrow the block or time window, or apply additional filters before retrying.",
"details": {
"max_allowed_bytes": 10485760,
"estimated_response_bytes": 15360000,
"recommended_actions": [
"Decrease the 'limit' parameter value",
"Shorten the block range or time window",
"Filter by fewer pools or exchanges"
]
},
"docs_url": "https://docs.blockdb.io/api-reference/overview/pagination-and-limits"
}
}
{
"error": {
"code": "CHAIN_NOT_SUPPORTED",
"http_status": 422,
"message": "chain_id=137 is not supported.",
"hint": "Use a supported chain_id. Consult the documentation for the list of available chains.",
"severity": "error",
"retryable": false,
"docs_url": "https://docs.blockdb.io/api-reference/overview/error-codes"
}
}
{
"error": {
"code": "RATE_LIMIT_EXCEEDED",
"http_status": 429,
"message": "You have exceeded the allowed request rate.",
"hint": "Introduce client-side throttling or exponential backoff and respect the retry_after_seconds value.",
"details": {
"limit_rps": 1000, # configured rate limit
"current_estimated_rps": 73,
"retry_after_seconds": 2,
"limit_scope": "api_key",
"limit_window_seconds": 1
},
"docs_url": "https://docs.blockdb.io/api-reference/overview/rate-limiting"
}
}
{
"error": {
"code": "INTERNAL_SERVER_ERROR",
"http_status": 500,
"message": "An unexpected server error occurred.",
"hint": "This error is not caused by your request. You may retry after a short delay.",
"severity": "critical",
"retryable": true,
"details": {
"incident_id": "INC-2025-11-11-123456",
"temporary_issue": true,
"expected_recovery_seconds": 5
},
"docs_url": "https://docs.blockdb.io/api-reference/overview/error-codes"
}
}
{
"error": {
"code": "SERVICE_UNAVAILABLE",
"http_status": 503,
"message": "The service is temporarily unable to handle the request.",
"hint": "The database connection pool is briefly saturated. Retry after a short delay.",
"severity": "warning",
"retryable": true,
"details": null,
"docs_url": "https://docs.blockdb.io/api-reference/overview/error-codes"
}
}
Primitives
Blocks Summary
Aggregate throughput, fee, and usage metrics over block or time ranges.
POST
/
v1
/
evm
/
raw
/
blocks-summary
curl -X POST "https://api.blockdb.io/v1/evm/raw/blocks-summary" \
-H "Authorization: Bearer $BLOCKDB_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"chain_id": 1,
"from_block": 18900000,
"to_block": 18900999,
"from_timestamp": null,
"to_timestamp": null,
"include_fee_histogram": true,
"bucket_granularity": "hour"
}'
#include <curl/curl.h>
#include <stdio.h>
#include <stdlib.h>
int main(void) {
CURL *curl = curl_easy_init();
if (!curl) return 1;
const char *token = getenv("BLOCKDB_API_KEY");
char auth_header[256];
snprintf(auth_header, sizeof(auth_header), "Authorization: Bearer %s", token ? token : "");
const char *payload = "{\"chain_id\":1,\"from_block\":18900000,\"to_block\":18900999,\"from_timestamp\":null,\"to_timestamp\":null,\"include_fee_histogram\":true,\"bucket_granularity\":\"hour\"}";
struct curl_slist *headers = NULL;
headers = curl_slist_append(headers, auth_header);
headers = curl_slist_append(headers, "Content-Type: application/json");
curl_easy_setopt(curl, CURLOPT_URL, "https://api.blockdb.io/v1/evm/raw/blocks-summary");
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
curl_easy_setopt(curl, CURLOPT_POSTFIELDS, payload);
CURLcode res = curl_easy_perform(curl);
curl_slist_free_all(headers);
curl_easy_cleanup(curl);
return res == CURLE_OK ? 0 : 1;
}
using System;
using System.Net.Http;
using System.Net.Http.Headers;
using System.Text;
using System.Threading.Tasks;
class Program
{
static async Task Main()
{
using var client = new HttpClient();
client.DefaultRequestHeaders.Authorization =
new AuthenticationHeaderValue("Bearer", Environment.GetEnvironmentVariable("BLOCKDB_API_KEY"));
var payload = new StringContent(
"{\"chain_id\":1,\"from_block\":18900000,\"to_block\":18900999,\"from_timestamp\":null,\"to_timestamp\":null,\"include_fee_histogram\":true,\"bucket_granularity\":\"hour\"}",
Encoding.UTF8,
"application/json"
);
var response = await client.PostAsync("https://api.blockdb.io/v1/evm/raw/blocks-summary", payload);
response.EnsureSuccessStatusCode();
var body = await response.Content.ReadAsStringAsync();
Console.WriteLine(body);
}
}
import os
import requests
response = requests.post(
"https://api.blockdb.io/v1/evm/raw/blocks-summary",
headers={
"Authorization": f"Bearer {os.getenv('BLOCKDB_API_KEY')}",
"Content-Type": "application/json"
},
json={'bucket_granularity': 'hour',
'chain_id': 1,
'from_block': 18900000,
'from_timestamp': None,
'include_fee_histogram': True,
'to_block': 18900999,
'to_timestamp': None}
)
data = response.json()
print(data)
const response = await fetch("https://api.blockdb.io/v1/evm/raw/blocks-summary", {
method: "POST",
headers: {
"Authorization": `Bearer ${process.env.BLOCKDB_API_KEY}`,
"Content-Type": "application/json"
},
body: JSON.stringify({
"chain_id": 1,
"from_block": 18900000,
"to_block": 18900999,
"from_timestamp": null,
"to_timestamp": null,
"include_fee_histogram": true,
"bucket_granularity": "hour"
})
});
const data = await response.json();
console.log(data);
package main
import (
"fmt"
"net/http"
"os"
"strings"
)
func main() {
payload := strings.NewReader(`{
"chain_id": 1,
"from_block": 18900000,
"to_block": 18900999,
"from_timestamp": null,
"to_timestamp": null,
"include_fee_histogram": true,
"bucket_granularity": "hour"
}`)
req, _ := http.NewRequest("POST", "https://api.blockdb.io/v1/evm/raw/blocks-summary", payload)
req.Header.Set("Authorization", fmt.Sprintf("Bearer %s", os.Getenv("BLOCKDB_API_KEY")))
req.Header.Set("Content-Type", "application/json")
client := &http.Client{}
resp, _ := client.Do(req)
defer resp.Body.Close()
// Handle response
}
{
"meta": {
"chain_id": 1,
"request_window": {
"from_block": 18900000,
"to_block": 18900999,
"from_timestamp": null,
"to_timestamp": null
},
"resolved_window": {
"from_block": 18900000,
"to_block": 18900999,
"from_timestamp": null,
"to_timestamp": null
},
"filters": {
"include_fee_histogram": true,
"bucket_granularity": "hour"
}
},
"data": [
{
"bucket_start": "2025-11-11T00:00:00Z",
"bucket_end": "2025-11-11T00:59:59Z",
"bucket_granularity": "hour",
"block_count": 300,
"min_block_number": 18900000,
"max_block_number": 18900299,
"tx_count": 420000,
"successful_tx_count": 405000,
"failed_tx_count": 15000,
"unique_senders": 128456,
"unique_recipients": 98234,
"gas_used": "9203456789000",
"gas_limit": "9300000000000",
"base_fee_per_gas_min": "2100000000",
"base_fee_per_gas_max": "2300000000",
"base_fee_per_gas_avg": "2195000000",
"priority_fee_per_gas_avg": "1500000000",
"burned_fees": "1932000000000000000",
"net_issuance": "-1300000000000000000",
"fee_histogram": [
{
"bucket_index": 0,
"max_effective_gas_price": "500000000",
"tx_count": 42000
}
]
}
],
"cursor": null,
"page_count": 1
}
{
"error": {
"code": "BAD_REQUEST",
"http_status": 400,
"message": "The request contains invalid or missing parameters.",
"hint": "Validate all required parameters against the endpoint specification before retrying.",
"severity": "error",
"retryable": false,
"details": {
"invalid_parameters": [
{
"name": "chain_id",
"location": "query",
"reason": "missing",
"expected": "positive integer, e.g. 1"
},
{
"name": "from_timestamp",
"location": "query",
"reason": "invalid_format",
"expected": "ISO-8601 UTC timestamp, e.g. 2025-11-11T00:00:00Z"
}
]
},
"docs_url": "https://docs.blockdb.io/api-reference/overview/home"
}
}
{
"error": {
"code": "UNAUTHORIZED",
"http_status": 401,
"message": "Invalid or missing API key.",
"hint": "Ensure you send 'Authorization: Bearer <API_KEY>' in every request to this endpoint.",
"severity": "error",
"retryable": false,
"details": {
"auth_scheme": "bearer",
"expected_header": "Authorization: Bearer <API_KEY>",
"provided_header": "Authorization: <REDACTED_OR_MISSING>",
"token_status": "invalid_or_missing",
"recommendation": "Regenerate the API key if you suspect it is expired or compromised."
},
"docs_url": "https://docs.blockdb.io/api-reference/overview/authorization"
}
}
{
"error": {
"code": "FORBIDDEN",
"http_status": 403,
"message": "Your API key does not have permission to access this endpoint.",
"hint": "Upgrade your subscription tier or request additional access.",
"severity": "warning",
"retryable": false,
"details": {
"required_plan": "production",
"your_plan": null,
"contact": "support@blockdb.io",
"recommendation": "Contact BlockDB Support Team via email support@blockdb.io."
},
"docs_url": "https://docs.blockdb.io/api-reference/overview/error-codes"
}
}
{
"error": {
"code": "NOT_FOUND",
"http_status": 404,
"message": "The requested resource does not exist.",
"hint": "Verify the API endpoint",
"severity": "warning",
"retryable": false,
"docs_url": "https://docs.blockdb.io/api-reference/overview/error-codes"
}
}
{
"error": {
"code": "PAYLOAD_TOO_LARGE",
"http_status": 413,
"message": "The requested response exceeds the maximum allowed size of 10 MB.",
"hint": "Reduce the limit, narrow the block or time window, or apply additional filters before retrying.",
"details": {
"max_allowed_bytes": 10485760,
"estimated_response_bytes": 15360000,
"recommended_actions": [
"Decrease the 'limit' parameter value",
"Shorten the block range or time window",
"Filter by fewer pools or exchanges"
]
},
"docs_url": "https://docs.blockdb.io/api-reference/overview/pagination-and-limits"
}
}
{
"error": {
"code": "CHAIN_NOT_SUPPORTED",
"http_status": 422,
"message": "chain_id=137 is not supported.",
"hint": "Use a supported chain_id. Consult the documentation for the list of available chains.",
"severity": "error",
"retryable": false,
"docs_url": "https://docs.blockdb.io/api-reference/overview/error-codes"
}
}
{
"error": {
"code": "RATE_LIMIT_EXCEEDED",
"http_status": 429,
"message": "You have exceeded the allowed request rate.",
"hint": "Introduce client-side throttling or exponential backoff and respect the retry_after_seconds value.",
"details": {
"limit_rps": 1000, # configured rate limit
"current_estimated_rps": 73,
"retry_after_seconds": 2,
"limit_scope": "api_key",
"limit_window_seconds": 1
},
"docs_url": "https://docs.blockdb.io/api-reference/overview/rate-limiting"
}
}
{
"error": {
"code": "INTERNAL_SERVER_ERROR",
"http_status": 500,
"message": "An unexpected server error occurred.",
"hint": "This error is not caused by your request. You may retry after a short delay.",
"severity": "critical",
"retryable": true,
"details": {
"incident_id": "INC-2025-11-11-123456",
"temporary_issue": true,
"expected_recovery_seconds": 5
},
"docs_url": "https://docs.blockdb.io/api-reference/overview/error-codes"
}
}
{
"error": {
"code": "SERVICE_UNAVAILABLE",
"http_status": 503,
"message": "The service is temporarily unable to handle the request.",
"hint": "The database connection pool is briefly saturated. Retry after a short delay.",
"severity": "warning",
"retryable": true,
"details": null,
"docs_url": "https://docs.blockdb.io/api-reference/overview/error-codes"
}
}
Overview
- Dataset ID:
0101 - Blocks - Description: Aggregated block metrics (gas, throughput, fees) over a range; derived from
blockdb_evm.b0101_blocks_v1. This endpoint returns aggregated buckets, not raw block rows. - CSV Sample: Download
- JSON Sample: Download
Parameters
Range Filters (mutually exclusive)
number
Starting block number (inclusive) for the query. Use with
to_block.number
Ending block number (inclusive) for the query. Use with
from_block.string
Starting timestamp (ISO-8601). If it falls between blocks, the next block after this timestamp is used. Use with
to_timestamp.string
Ending timestamp (ISO-8601). If it falls between blocks, the last block before this timestamp is used. Use with
from_timestamp.Scoping rule: Provide exactly one of:
- Block range —
from_blockandto_block - Time range —
from_timestampandto_timestamp
Aggregation Controls
boolean
default:"false"
Adds a 10-bucket histogram for effective gas price distribution when
true.string
default:"total"
Temporal grouping of the summary. Supported values:
"total", "hour", "day".Pagination Controls
number
default:"250"
Recommended default
250; maximum 1000 to stay under ~10 MB responses.string
Pagination cursor from a prior call.
Response Fields
Meta
object
Echo of request metadata applied to the response.
number
EVM chain ID echoed from the request.
object
Pure echo of the window you sent (
from_block/to_block/from_timestamp/to_timestamp); unset bounds are null.object | null
The concrete window the query actually executed against, after resolving the request. For a block range on a time-bucketed endpoint (OHLC/VWAP/VWAP-aggregate/fiat VWAP),
from_timestamp/to_timestamp hold the resolved timestamp window (and from_block/to_block echo your request). For a time range on a block-keyed endpoint, from_block/to_block hold the resolved block range (and the timestamps echo your request). null for selector-only requests (no window). No extra database work is done — these are the values the query already computed.number | null
Resolved/echoed start block of the executed window.
number | null
Resolved/echoed end block of the executed window.
string | null
Resolved/echoed start timestamp (ISO-8601) of the executed window.
string | null
Resolved/echoed end timestamp (ISO-8601) of the executed window.
object
Other request knobs echoed back (fee histogram flag, bucket granularity).
Data
object[]
Buckets summarising the requested range. One element when
bucket_granularity is "total".string
ISO-8601 timestamp marking the start of the aggregation window.
string
ISO-8601 timestamp marking the end of the aggregation window.
string
Granularity echoed from the request.
number
Total number of canonical blocks in the bucket.
number
Smallest block number covered in the bucket.
number
Largest block number covered in the bucket.
number
Total transactions in the bucket.
number
Successful transactions in the bucket.
number
Failed transactions in the bucket.
number
Distinct sender addresses observed.
number
Distinct recipient addresses observed.
string
Sum of gas used (wei) across all blocks in the bucket.
string
Sum of gas limits (wei) across all blocks in the bucket.
string
Minimum base fee per gas (wei).
string
Maximum base fee per gas (wei).
string
Average base fee per gas (wei).
string
Average priority fee per gas (wei) for successful transactions. Nullable on unsupported chains.
string
Total ETH burned via base fee (wei).
string
Protocol-level issuance minus burned fees for the bucket (wei).
object[]
Ten buckets covering the 0-100 percentile range when
include_fee_histogram is true.number
Zero-based bucket index (0-9).
string
Upper bound (exclusive) of the fee bucket (wei).
number
Transactions in the fee bucket.
Envelope Fields
string | null
Pagination cursor for additional buckets when the range exceeds service limits.
number
Number of bucket elements in
data.Use Cases
- Feed dashboards with pre-aggregated throughput metrics without ETL.
- Detect fee regime shifts by polling hourly buckets.
- Estimate unique user counts per epoch to complement raw transaction exports.
curl -X POST "https://api.blockdb.io/v1/evm/raw/blocks-summary" \
-H "Authorization: Bearer $BLOCKDB_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"chain_id": 1,
"from_block": 18900000,
"to_block": 18900999,
"from_timestamp": null,
"to_timestamp": null,
"include_fee_histogram": true,
"bucket_granularity": "hour"
}'
#include <curl/curl.h>
#include <stdio.h>
#include <stdlib.h>
int main(void) {
CURL *curl = curl_easy_init();
if (!curl) return 1;
const char *token = getenv("BLOCKDB_API_KEY");
char auth_header[256];
snprintf(auth_header, sizeof(auth_header), "Authorization: Bearer %s", token ? token : "");
const char *payload = "{\"chain_id\":1,\"from_block\":18900000,\"to_block\":18900999,\"from_timestamp\":null,\"to_timestamp\":null,\"include_fee_histogram\":true,\"bucket_granularity\":\"hour\"}";
struct curl_slist *headers = NULL;
headers = curl_slist_append(headers, auth_header);
headers = curl_slist_append(headers, "Content-Type: application/json");
curl_easy_setopt(curl, CURLOPT_URL, "https://api.blockdb.io/v1/evm/raw/blocks-summary");
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
curl_easy_setopt(curl, CURLOPT_POSTFIELDS, payload);
CURLcode res = curl_easy_perform(curl);
curl_slist_free_all(headers);
curl_easy_cleanup(curl);
return res == CURLE_OK ? 0 : 1;
}
using System;
using System.Net.Http;
using System.Net.Http.Headers;
using System.Text;
using System.Threading.Tasks;
class Program
{
static async Task Main()
{
using var client = new HttpClient();
client.DefaultRequestHeaders.Authorization =
new AuthenticationHeaderValue("Bearer", Environment.GetEnvironmentVariable("BLOCKDB_API_KEY"));
var payload = new StringContent(
"{\"chain_id\":1,\"from_block\":18900000,\"to_block\":18900999,\"from_timestamp\":null,\"to_timestamp\":null,\"include_fee_histogram\":true,\"bucket_granularity\":\"hour\"}",
Encoding.UTF8,
"application/json"
);
var response = await client.PostAsync("https://api.blockdb.io/v1/evm/raw/blocks-summary", payload);
response.EnsureSuccessStatusCode();
var body = await response.Content.ReadAsStringAsync();
Console.WriteLine(body);
}
}
import os
import requests
response = requests.post(
"https://api.blockdb.io/v1/evm/raw/blocks-summary",
headers={
"Authorization": f"Bearer {os.getenv('BLOCKDB_API_KEY')}",
"Content-Type": "application/json"
},
json={'bucket_granularity': 'hour',
'chain_id': 1,
'from_block': 18900000,
'from_timestamp': None,
'include_fee_histogram': True,
'to_block': 18900999,
'to_timestamp': None}
)
data = response.json()
print(data)
const response = await fetch("https://api.blockdb.io/v1/evm/raw/blocks-summary", {
method: "POST",
headers: {
"Authorization": `Bearer ${process.env.BLOCKDB_API_KEY}`,
"Content-Type": "application/json"
},
body: JSON.stringify({
"chain_id": 1,
"from_block": 18900000,
"to_block": 18900999,
"from_timestamp": null,
"to_timestamp": null,
"include_fee_histogram": true,
"bucket_granularity": "hour"
})
});
const data = await response.json();
console.log(data);
package main
import (
"fmt"
"net/http"
"os"
"strings"
)
func main() {
payload := strings.NewReader(`{
"chain_id": 1,
"from_block": 18900000,
"to_block": 18900999,
"from_timestamp": null,
"to_timestamp": null,
"include_fee_histogram": true,
"bucket_granularity": "hour"
}`)
req, _ := http.NewRequest("POST", "https://api.blockdb.io/v1/evm/raw/blocks-summary", payload)
req.Header.Set("Authorization", fmt.Sprintf("Bearer %s", os.Getenv("BLOCKDB_API_KEY")))
req.Header.Set("Content-Type", "application/json")
client := &http.Client{}
resp, _ := client.Do(req)
defer resp.Body.Close()
// Handle response
}
{
"meta": {
"chain_id": 1,
"request_window": {
"from_block": 18900000,
"to_block": 18900999,
"from_timestamp": null,
"to_timestamp": null
},
"resolved_window": {
"from_block": 18900000,
"to_block": 18900999,
"from_timestamp": null,
"to_timestamp": null
},
"filters": {
"include_fee_histogram": true,
"bucket_granularity": "hour"
}
},
"data": [
{
"bucket_start": "2025-11-11T00:00:00Z",
"bucket_end": "2025-11-11T00:59:59Z",
"bucket_granularity": "hour",
"block_count": 300,
"min_block_number": 18900000,
"max_block_number": 18900299,
"tx_count": 420000,
"successful_tx_count": 405000,
"failed_tx_count": 15000,
"unique_senders": 128456,
"unique_recipients": 98234,
"gas_used": "9203456789000",
"gas_limit": "9300000000000",
"base_fee_per_gas_min": "2100000000",
"base_fee_per_gas_max": "2300000000",
"base_fee_per_gas_avg": "2195000000",
"priority_fee_per_gas_avg": "1500000000",
"burned_fees": "1932000000000000000",
"net_issuance": "-1300000000000000000",
"fee_histogram": [
{
"bucket_index": 0,
"max_effective_gas_price": "500000000",
"tx_count": 42000
}
]
}
],
"cursor": null,
"page_count": 1
}
{
"error": {
"code": "BAD_REQUEST",
"http_status": 400,
"message": "The request contains invalid or missing parameters.",
"hint": "Validate all required parameters against the endpoint specification before retrying.",
"severity": "error",
"retryable": false,
"details": {
"invalid_parameters": [
{
"name": "chain_id",
"location": "query",
"reason": "missing",
"expected": "positive integer, e.g. 1"
},
{
"name": "from_timestamp",
"location": "query",
"reason": "invalid_format",
"expected": "ISO-8601 UTC timestamp, e.g. 2025-11-11T00:00:00Z"
}
]
},
"docs_url": "https://docs.blockdb.io/api-reference/overview/home"
}
}
{
"error": {
"code": "UNAUTHORIZED",
"http_status": 401,
"message": "Invalid or missing API key.",
"hint": "Ensure you send 'Authorization: Bearer <API_KEY>' in every request to this endpoint.",
"severity": "error",
"retryable": false,
"details": {
"auth_scheme": "bearer",
"expected_header": "Authorization: Bearer <API_KEY>",
"provided_header": "Authorization: <REDACTED_OR_MISSING>",
"token_status": "invalid_or_missing",
"recommendation": "Regenerate the API key if you suspect it is expired or compromised."
},
"docs_url": "https://docs.blockdb.io/api-reference/overview/authorization"
}
}
{
"error": {
"code": "FORBIDDEN",
"http_status": 403,
"message": "Your API key does not have permission to access this endpoint.",
"hint": "Upgrade your subscription tier or request additional access.",
"severity": "warning",
"retryable": false,
"details": {
"required_plan": "production",
"your_plan": null,
"contact": "support@blockdb.io",
"recommendation": "Contact BlockDB Support Team via email support@blockdb.io."
},
"docs_url": "https://docs.blockdb.io/api-reference/overview/error-codes"
}
}
{
"error": {
"code": "NOT_FOUND",
"http_status": 404,
"message": "The requested resource does not exist.",
"hint": "Verify the API endpoint",
"severity": "warning",
"retryable": false,
"docs_url": "https://docs.blockdb.io/api-reference/overview/error-codes"
}
}
{
"error": {
"code": "PAYLOAD_TOO_LARGE",
"http_status": 413,
"message": "The requested response exceeds the maximum allowed size of 10 MB.",
"hint": "Reduce the limit, narrow the block or time window, or apply additional filters before retrying.",
"details": {
"max_allowed_bytes": 10485760,
"estimated_response_bytes": 15360000,
"recommended_actions": [
"Decrease the 'limit' parameter value",
"Shorten the block range or time window",
"Filter by fewer pools or exchanges"
]
},
"docs_url": "https://docs.blockdb.io/api-reference/overview/pagination-and-limits"
}
}
{
"error": {
"code": "CHAIN_NOT_SUPPORTED",
"http_status": 422,
"message": "chain_id=137 is not supported.",
"hint": "Use a supported chain_id. Consult the documentation for the list of available chains.",
"severity": "error",
"retryable": false,
"docs_url": "https://docs.blockdb.io/api-reference/overview/error-codes"
}
}
{
"error": {
"code": "RATE_LIMIT_EXCEEDED",
"http_status": 429,
"message": "You have exceeded the allowed request rate.",
"hint": "Introduce client-side throttling or exponential backoff and respect the retry_after_seconds value.",
"details": {
"limit_rps": 1000, # configured rate limit
"current_estimated_rps": 73,
"retry_after_seconds": 2,
"limit_scope": "api_key",
"limit_window_seconds": 1
},
"docs_url": "https://docs.blockdb.io/api-reference/overview/rate-limiting"
}
}
{
"error": {
"code": "INTERNAL_SERVER_ERROR",
"http_status": 500,
"message": "An unexpected server error occurred.",
"hint": "This error is not caused by your request. You may retry after a short delay.",
"severity": "critical",
"retryable": true,
"details": {
"incident_id": "INC-2025-11-11-123456",
"temporary_issue": true,
"expected_recovery_seconds": 5
},
"docs_url": "https://docs.blockdb.io/api-reference/overview/error-codes"
}
}
{
"error": {
"code": "SERVICE_UNAVAILABLE",
"http_status": 503,
"message": "The service is temporarily unable to handle the request.",
"hint": "The database connection pool is briefly saturated. Retry after a short delay.",
"severity": "warning",
"retryable": true,
"details": null,
"docs_url": "https://docs.blockdb.io/api-reference/overview/error-codes"
}
}
Last modified on July 19, 2026
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