Litecoin

Litecoin Mempool API

Mempool state and contents endpoints

GitHub OpenAPI

Operations 5

GET /rest/mempool/info.json Get mempool info #
GET /rest/mempool/contents.json Get mempool contents #
GET /mempool Get mempool statistics #
GET /mempool/txids Get mempool transaction IDs #
GET /mempool/recent Get recent mempool transactions #

Documentation

📖
Documentation
https://github.com/litecoin-project/litecoin/blob/master/doc/JSON-RPC-interface.md
📖
RateLimits
https://raw.githubusercontent.com/api-evangelist/litecoin/refs/heads/main/rate-limits/litecoin-core-json-rpc.yml
📖
Documentation
https://github.com/litecoin-project/litecoin/blob/master/doc/REST-interface.md
📖
RateLimits
https://raw.githubusercontent.com/api-evangelist/litecoin/refs/heads/main/rate-limits/litecoin-core-rest.yml
📖
Documentation
https://litecoinspace.org/docs/api/rest
📖
RateLimits
https://raw.githubusercontent.com/api-evangelist/litecoin/refs/heads/main/rate-limits/litecoin-space-rest.yml

Specifications

⚙
OpenAPI
https://raw.githubusercontent.com/api-evangelist/litecoin/refs/heads/main/openapi/litecoin-mempool-api-openapi.yml

Other Resources

🔗
Plans
https://raw.githubusercontent.com/api-evangelist/litecoin/refs/heads/main/plans/litecoin-core-json-rpc.yml
🔗
FinOps
https://raw.githubusercontent.com/api-evangelist/litecoin/refs/heads/main/finops/litecoin-core-json-rpc.yml
🔗
Plans
https://raw.githubusercontent.com/api-evangelist/litecoin/refs/heads/main/plans/litecoin-core-rest.yml
🔗
FinOps
https://raw.githubusercontent.com/api-evangelist/litecoin/refs/heads/main/finops/litecoin-core-rest.yml
🔗
Plans
https://raw.githubusercontent.com/api-evangelist/litecoin/refs/heads/main/plans/litecoin-space-rest.yml
🔗
FinOps
https://raw.githubusercontent.com/api-evangelist/litecoin/refs/heads/main/finops/litecoin-space-rest.yml

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this
  • find_apisBrowse and filter every API in the catalog.
  • get_api_artifactsOne API's artifacts, grouped by type.
  • get_openapiThe primary OpenAPI for this API.
  • find_similar_apisAPIs that look like this one.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This API 
curl "https://apis.io/api/v1/apis/litecoin-mempool-api"
All apis 
curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.

OpenAPI Specification

litecoin-mempool-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  title: Litecoin Mempool API
  version: '1.0'
  description: 'Operations tagged Mempool across 2 of this provider''s published API definitions: litecoin-core-rest.yml, litecoin-space-rest.yml. Each path carries the servers of the definition it was published in.'
servers:
- url: http://localhost:9332
  description: Litecoin Core mainnet (start with -rest flag)
- url: http://localhost:19332
  description: Litecoin Core testnet
- url: http://localhost:19443
  description: Litecoin Core regtest
- url: https://litecoinspace.org/api
  description: Litecoin Space mainnet
tags:
- name: Mempool
  description: Mempool state and contents endpoints
paths:
  /rest/mempool/info.json:
    get:
      operationId: getMempoolInfo
      summary: Get mempool info
      description: 'Returns statistics about the current state of the mempool, including the number of transactions, total size, and fee information. Only available in JSON format.

        '
      responses:
        '200':
          description: Mempool statistics
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/MempoolInfo'
      tags:
      - Mempool
    servers:
    - url: http://localhost:9332
      description: Litecoin Core mainnet (start with -rest flag)
    - url: http://localhost:19332
      description: Litecoin Core testnet
    - url: http://localhost:19443
      description: Litecoin Core regtest
  /rest/mempool/contents.json:
    get:
      operationId: getMempoolContents
      summary: Get mempool contents
      description: 'Returns all transactions currently in the mempool with full details. Only available in JSON format. Use with caution on busy nodes as the response can be very large.

        '
      responses:
        '200':
          description: All mempool transactions
          content:
            application/json:
              schema:
                type: object
                additionalProperties:
                  $ref: '#/components/schemas/MempoolEntry'
      tags:
      - Mempool
    servers:
    - url: http://localhost:9332
      description: Litecoin Core mainnet (start with -rest flag)
    - url: http://localhost:19332
      description: Litecoin Core testnet
    - url: http://localhost:19443
      description: Litecoin Core regtest
  /mempool:
    get:
      operationId: getMempool
      summary: Get mempool statistics
      description: Returns statistics about the current state of the Litecoin mempool.
      responses:
        '200':
          description: Mempool statistics
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/MempoolStats'
      tags:
      - Mempool
    servers:
    - url: https://litecoinspace.org/api
      description: Litecoin Space mainnet
  /mempool/txids:
    get:
      operationId: getMempoolTxids
      summary: Get mempool transaction IDs
      description: Returns all transaction IDs currently in the mempool.
      responses:
        '200':
          description: Array of transaction IDs in the mempool
          content:
            application/json:
              schema:
                type: array
                items:
                  type: string
      tags:
      - Mempool
    servers:
    - url: https://litecoinspace.org/api
      description: Litecoin Space mainnet
  /mempool/recent:
    get:
      operationId: getMempoolRecent
      summary: Get recent mempool transactions
      description: Returns the last 10 transactions added to the mempool.
      responses:
        '200':
          description: Array of recent mempool transactions
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/MempoolRecentTx'
      tags:
      - Mempool
    servers:
    - url: https://litecoinspace.org/api
      description: Litecoin Space mainnet
components:
  schemas:
    MempoolEntry:
      type: object
      properties:
        vsize:
          type: integer
        weight:
          type: integer
        fee:
          type: number
        modifiedfee:
          type: number
        time:
          type: integer
        height:
          type: integer
        descendantcount:
          type: integer
        descendantsize:
          type: integer
        descendantfees:
          type: number
        ancestorcount:
          type: integer
        ancestorsize:
          type: integer
        ancestorfees:
          type: number
        wtxid:
          type: string
        fees:
          type: object
          properties:
            base:
              type: number
            modified:
              type: number
            ancestor:
              type: number
            descendant:
              type: number
        depends:
          type: array
          items:
            type: string
        spentby:
          type: array
          items:
            type: string
        bip125-replaceable:
          type: boolean
    MempoolInfo:
      type: object
      properties:
        loaded:
          type: boolean
          description: True if the mempool is fully loaded
        size:
          type: integer
          description: Current transaction count in mempool
        bytes:
          type: integer
          description: Sum of all transaction sizes in bytes
        usage:
          type: integer
          description: Total memory usage for the mempool in bytes
        maxmempool:
          type: integer
          description: Maximum memory usage for the mempool in bytes
        mempoolminfee:
          type: number
          description: Minimum fee rate in LTC/kB for acceptance into mempool
        minrelaytxfee:
          type: number
          description: Current minimum relay fee for transactions
    MempoolRecentTx:
      type: object
      properties:
        txid:
          type: string
        fee:
          type: integer
        vsize:
          type: integer
        value:
          type: integer
    MempoolStats:
      type: object
      properties:
        count:
          type: integer
          description: Number of transactions in the mempool
        vsize:
          type: integer
          description: Total virtual size of all mempool transactions in vbytes
        total_fee:
          type: integer
          description: Total fees in the mempool in satoshis
        fee_histogram:
          type: array
          description: Fee histogram as [feerate, vsize] pairs
          items:
            type: array
            items:
              type: number
x-refined-from:
- litecoin-core-rest.yml
- litecoin-space-rest.yml