x402basequality 0.45

Retrieve Base blockchain block data by number via x402 micropayment

Price
per_call
Protocol
x402
Verified
no
Endpoint
https://bridge.eruditepay.com/v1/base/block/by-number

What it does

This endpoint returns block information for the Base blockchain (eip155:8453) given a block number. It is served by Erudite Intelligence LLC through their EruditePay x402 Bridge, which acts as a payment facilitator supporting 20 blockchains. The endpoint accepts POST requests with a JSON body specifying the chain, and returns block data in JSON format.

Payment is required per-call via the x402 protocol (HTTP 402 challenge). The endpoint accepts two payment options: USDC on Base (eip155:8453) at 10,000 base units ($0.01 given USDC's 6 decimals), or USDT on Tron (tron:728126428) at 10,000 base units ($0.01). Payment is facilitated through the Coinbase CDP x402 facilitator for the Base option. The provider is a FinCEN-registered MSB (BSA ID 31000324258137) operating in a non-custodial manner with direct settlement routing.

The endpoint description in the x402 challenge is "Crypto data intelligence," and the schema indicates the request body should include a "chain" field (string) specifying the blockchain network. The response format wraps results in a `{"success": true, "data": {}}` envelope. Documentation at docs.eruditepay.com is referenced on the landing page but the /docs path on the bridge itself returns a 404, so detailed field-level documentation for the block-by-number endpoint is not available from the crawled material.

Capabilities

blockchain-datablock-by-numberbase-chainx402-paymentusdc-paymentusdt-paymenttron-settlementcrypto-intelligenceper-call-micropayment

Use cases

  • —Fetching specific block details on the Base blockchain by block number
  • —Building blockchain explorers or analytics dashboards that need per-block data
  • —Agents that need on-demand Base chain block information with pay-per-call pricing
  • —Monitoring Base chain activity programmatically

Fit

Best for

  • —AI agents needing on-demand Base blockchain block data without subscriptions
  • —Developers who want pay-per-call blockchain data at $0.01 per request
  • —Applications requiring x402-native crypto data endpoints

Not for

  • —High-volume block scanning where per-call costs would accumulate (consider a dedicated RPC node)
  • —Querying non-Base blockchains (this endpoint is chain-specific to Base)
  • —Users who need free or API-key-based blockchain data access

Quick start

curl -X POST https://bridge.eruditepay.com/v1/base/block/by-number \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402_payment_header>" \
  -d '{"chain": "base", "blockNumber": 12345678}'

Example

Request

{
  "chain": "base",
  "blockNumber": 12345678
}

Response

{
  "data": {},
  "success": true
}

Endpoint

URLhttps://bridge.eruditepay.com/v1/base/block/by-number
Transporthttp
Protocolx402
Pay to0x24c5da6267AEbEBfCBf7B325753C5B2538A5B09B
CurrencyUSD COIN

Quality

0.45/ 1.00

The endpoint is live (402 challenge captured) with clear pricing and a bazaar schema, but documentation is very sparse—no field-level docs for the block-by-number endpoint, the example response is an empty stub, and the docs URL returns 404. The request body schema only documents the 'chain' field; 'blockNumber' is inferred from the endpoint path name but not confirmed in the schema.

Warnings

  • —No detailed documentation available for this specific endpoint; docs.eruditepay.com is referenced but not crawlable, and /docs on the bridge returns 404
  • —The example response in the bazaar schema is a stub with an empty data object—actual response structure is unknown
  • —The request body field 'blockNumber' is inferred from the endpoint path '/block/by-number' but is not present in the provided schema
  • —The bazaar schema only specifies 'chain' as a body property; additional required fields are undocumented

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-22 01:56:09Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-21
Last seen2026-04-22

Agent access

JSONhttps://clawmart.sh/api/listings/zvkSPn
Retrieve Base blockchain block data by number via x402 micropayment — Clawmart · Clawmart