# Messari, pay as you go: Company funding API

> Crypto’s biggest fundraising database for funding rounds, M&A deals, and investors.

Messari's Pay-Per-Request with x402 plan for the company funding API costs $150.00 per 1,000 companies. We check each provider's docs for 13 fields. Messari's docs list 4: Round, Amount, Date, Investors.
We haven't run Messari through [our company funding API benchmark](https://datacircle.dev/best-company-funding-api.txt) yet.
We rank 261 plans for company funding APIs by price. Half the plans cost $12.50 or less per 1,000 companies. This plan costs less per 1,000 companies than 9% of the 261 plans.
[Signalbase's €99 monthly plan](https://datacircle.dev/company-funding-apis/signalbase/99-monthly-pro-post-csv-enrichment/llms.txt) is the cheapest paid plan per 1,000 companies: $0.056. [StartupHub.ai's x402 plan](https://datacircle.dev/company-funding-apis/startuphub-ai/pay-as-you-go-x402/llms.txt) costs the least for 10,000 companies a month: $10.00.
[gBizINFO](https://datacircle.dev/company-funding-apis/gbizinfo/free/llms.txt), [Edgrapi](https://datacircle.dev/company-funding-apis/edgrapi/99-monthly/llms.txt) and [The Swarm](https://datacircle.dev/company-funding-apis/the-swarm/500-monthly/llms.txt) are the best company funding API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/company-funding-apis/messari/pay-as-you-go
- [Company funding API in 2026: the 17 best of 100+ compared](https://datacircle.dev/best-company-funding-api.txt)
- Get it: https://docs.messari.io/api-reference/x402-payments?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-funding-api-pricing
- Request: `GET https://api.messari.io/funding/v1/rounds`
- API key: not needed
- Its API docs: https://docs.messari.io/api-reference/endpoints/funding/fundraising-rounds/get-v1-rounds?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-funding-api-pricing
- Sold by: Messari (https://messari.io?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-funding-api-pricing)
- Checked: 2026-11-10

## In the answer

- Completeness: 31%
- Round: ✓
- Amount: ✓
- Date: ✓
- Investors: ✓

## Price

- $ per 1,000 companies: $150.00
- Per: call
- Billing: pay as you go

## Aggregators

- Aggregators: none

## Charges

- Also pays for: nothing else

## In their words

- Their pitch: Crypto’s biggest fundraising database for funding rounds, M&A deals, and investors.

## Data

- Keep data: no API terms
- Use data: no API terms

## Plan

- Pay: per call

## Speed

- Answer: in the call

## The call

- You send: nothing required. Optional: fundedEntityId, investorId, type, stage, raisedAmountMax, raisedAmountMin, isTokenFunded, announcedBefore, announcedAfter, limit, page
- Method: GET
- Path: /funding/v1/rounds

## About the plan

- Plan: Pay-Per-Request with x402
- Who can get it: anyone, with no account or API key, paying each request in USDC on Base or Solana from a wallet (x402)

## The 15 fields the plan's answer can hold

funding round ID, announcement URLs, announced date, funding round type, funding stage, token funded, amount in USD, company ID, funded entity type, company name, native asset, investor organization IDs, investor project IDs, investor person IDs, total results

## Messari's plans (2)

- [Messari, pay as you go](https://datacircle.dev/company-funding-apis/messari/pay-as-you-go/llms.txt): $150.00 per 1,000, 31% complete
- [Messari, contact us, Enterprise, GET /funding/v1/rounds](https://datacircle.dev/company-funding-apis/messari/contact-us-enterprise-get-funding-v1-rounds/llms.txt): 31% complete

## Messari's calls for this API (2)

- `GET /funding/v1/rounds`: [Messari, pay as you go](https://datacircle.dev/company-funding-apis/messari/pay-as-you-go/llms.txt)
- `GET /query/tabular/funding-rounds`: [Messari, contact us, Enterprise, GET /query/tabular/funding-rounds](https://datacircle.dev/company-funding-apis/messari/contact-us-enterprise-get-query-tabular-funding-rounds/llms.txt)

## Messari's APIs (3)

- [Messari: company funding API pricing, 2 plans](https://datacircle.dev/company-funding-apis/messari/pay-as-you-go/llms.txt)
- [Messari: news API pricing, 2 plans](https://datacircle.dev/news-apis/messari/pay-as-you-go/llms.txt)
- [Messari: company discovery API pricing, 2 plans, GET /funding/v1/organizations](https://datacircle.dev/company-discovery-apis/messari/pay-as-you-go-pay-per-request-with-x402-get-funding-v1-organizations/llms.txt)
- [Messari: company discovery API pricing, 2 plans, GET /funding/v1/projects](https://datacircle.dev/company-discovery-apis/messari/pay-as-you-go-pay-per-request-with-x402-get-funding-v1-projects/llms.txt)

## Messari: company funding API alternatives

- [Layrcake, top-up from $20](https://datacircle.dev/company-funding-apis/layrcake/top-up-from-20/llms.txt): $130.00 per 1,000, 31% complete
- [Datamagnet, $300 pack](https://datacircle.dev/company-funding-apis/datamagnet/300-pack/llms.txt): $150.00 per 1,000, 23% complete
- [Interzoid, $7,500 yearly, 100,000 Credits (annual), GET /getprivatecompanydealintel](https://datacircle.dev/company-funding-apis/interzoid/7500-yearly/llms.txt): $156.25 per 1,000, 54% complete, live
- [AgentKey, $1,198.80 yearly](https://datacircle.dev/company-funding-apis/agentkey/1198-80-yearly/llms.txt): $166.50 per 1,000, 31% complete

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-10.

- https://docs.messari.io/api-reference/endpoints/funding/fundraising-rounds/get-v1-rounds.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-funding-api-pricing
- https://docs.messari.io/api-reference/x402-payments.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-funding-api-pricing
- https://docs.messari.io/introduction?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-funding-api-pricing