Daily Funding Alert by BSA | 15 August 2026 | Blacksmith Raises $45 Million Series B Led by Peak XV Partners
Blacksmith has announced a $45 million Series B led by Peak XV Partners, with existing investors GV and YC participating. The company's own announcement says the round valued Blacksmith at $550 million and was…
Funding alert snapshot
Blacksmith has announced a $45 million Series B led by Peak XV Partners, with existing investors GV and YC participating. The company’s own announcement says the round valued Blacksmith at $550 million and was raised in March 2026 but announced on 12 August 2026. Entrackr reported the deal on 13 August 2026 as a funding development for the AI code-testing platform.
This is the latest verified funding window available for today’s BSA funding alert. It is relevant for Indian founders because Peak XV is a major India and Southeast Asia investor, the company has Indian-origin founders, and the round shows how global developer-infrastructure businesses can attract capital when the product sits directly inside a fast-growing engineering pain point.
Sources used for this alert include Blacksmith’s company announcement: https://www.blacksmith.sh/blog/announcing-blacksmiths-series-b-led-by-peak-xv-partners, Blacksmith’s website: https://www.blacksmith.sh/, Entrackr’s 13 August 2026 funding report: https://entrackr.com/news/ai-code-testing-platform-blacksmith-raises-45-mn-in-series-b-led-by-peak-xv-12255973, Peak XV Partners: https://www.peakxv.com/, GV: https://www.gv.com/ and Y Combinator: https://www.ycombinator.com/.
Deal details
| Item | Detail |
|---|---|
| Startup | Blacksmith |
| Website | https://www.blacksmith.sh/ |
| Funding amount | $45 million |
| Round | Series B |
| Lead investor | Peak XV Partners |
| Other participating investors | Existing investors GV and YC, according to Blacksmith’s announcement |
| Reported valuation | $550 million, according to Blacksmith’s announcement |
| Sector | Developer infrastructure, continuous integration, software testing and engineering productivity |
| What it does | Blacksmith provides a cloud CI platform and infrastructure to run software validation and testing workloads faster |
| Announcement window | Company announcement dated 12 August 2026; Entrackr coverage dated 13 August 2026 |
What Blacksmith does
Blacksmith is building infrastructure for continuous integration and software validation. In plain English, it helps software teams run the tests and checks needed before code is merged and shipped. That job has become more important as engineering teams use code-generation tools, ship more pull requests and need faster feedback loops.
The company’s announcement says more than 6,000 companies run CI on Blacksmith, including Supabase, Clerk, Ashby and Mercury. It also says CI jobs on Blacksmith have grown 5 to 10 percent week over week since the start of the year as more engineers adopt code-generation tools. Those numbers matter because investor interest in developer tools usually follows strong usage, retention, workload expansion and urgency inside customer engineering teams.
Why investors may have funded it
Investors may have backed Blacksmith for a mix of market timing, infrastructure need, customer evidence and founder execution.
| Investor thesis | Why it matters |
|---|---|
| Engineering workloads are expanding | More generated code means more validation, tests and CI usage |
| CI is a workflow-critical product | Slow CI directly blocks developer velocity and release cycles |
| Customer pain is measurable | Build minutes, queue time, failure rate and developer downtime can be quantified |
| Existing investor conviction | GV and YC participating again suggests continued confidence |
| Peak XV fit | Peak XV has strong experience with technical founders and global software companies |
| Revenue expansion potential | Developer infrastructure can grow with seats, jobs, usage and enterprise needs |
| Category timing | Software teams are rethinking tooling as coding-agent adoption changes workflows |
For similar founders, the lesson is not “build anything around code generation.” The better lesson is to find a painful infrastructure bottleneck that becomes worse as teams scale, then prove that the product removes measurable cost.
What to expect over the next three years
If Blacksmith executes well, the next three years may focus on deeper enterprise adoption, larger CI workloads, security features, platform reliability, pricing refinement, integrations and possibly broader software-delivery workflows.
Founder expectations:
- More enterprise-grade security and compliance requests.
- Deeper GitHub and developer workflow integrations.
- Higher usage from teams running more generated code and automated tests.
- Stronger focus on reliability, uptime and audit logs.
- Competition from incumbent CI providers and cloud platforms.
- More procurement review from larger engineering organisations.
- Potential expansion beyond pure CI into validation, observability or developer productivity analytics.
Developer-infrastructure startups should remember that large customers do not buy only speed. They buy reliability, access control, data security, integration depth, support response, migration confidence and predictable billing.
How similar founders can approach relevant investors
Founders building developer-infrastructure, devtools, testing, cloud cost, security automation or engineering-productivity products should approach investors with evidence that the product has become part of a daily engineering workflow.
Investor approach checklist:
| Evidence | What to show |
|---|---|
| Pain | CI wait time, release delay, incident count, cloud cost or developer idle time |
| Usage | Weekly active teams, jobs run, minutes processed, repeat projects and retained accounts |
| Technical moat | Infrastructure design, speed advantage, reliability, security and scaling economics |
| Customer quality | Recognisable engineering teams, open-source adoption or serious paid users |
| Expansion | More repositories, more teams, higher usage or enterprise plans |
| Migration path | How customers switch from existing tools without breaking engineering operations |
| Economics | Gross margin, cloud cost control, usage pricing and support burden |
| Security | Access controls, secrets handling, logs, SOC roadmap and vendor-risk answers |
Do not send a generic pitch saying “developers are using more automation.” Send a customer-backed narrative showing why your infrastructure becomes necessary when teams ship more code.
Investor list to research
For similar founders, relevant investors may include venture funds that understand SaaS, developer tools, infrastructure, cloud software and global go-to-market.
| Investor | Website | Why relevant |
|---|---|---|
| Peak XV Partners | https://www.peakxv.com/ | Led Blacksmith’s Series B and backs technical founders across India, Southeast Asia and global markets |
| GV | https://www.gv.com/ | Existing investor in Blacksmith and experienced in deep technology and software companies |
| Y Combinator | https://www.ycombinator.com/ | Early-stage accelerator and investor with a large developer-founder network |
| Accel | https://www.accel.com/ | Active in SaaS, devtools and Indian/global software startups |
| Lightspeed | https://lsvp.com/ | Active in software, infrastructure and Indian-origin global startups |
| Nexus Venture Partners | https://www.nexusvp.com/ | Strong history with India-US enterprise software companies |
Founders should study portfolio fit before outreach. A fund that backs consumer brands may not be the right first call for a CI platform, even if it invests in startups broadly.
Legal and compliance files founders should prepare
Developer-infrastructure founders often underestimate diligence because the product looks technical, not regulated. But investors will still review entity, cap table, contracts, IP, open-source, data security, tax and employment files.
Free Weekly Newsletter
Subscribe to BSA startup funding alerts
- Every Sunday, all Indian startup funding alerts in one place
- Monthly funding report on the last day of the month
- Free, concise, founder-focused, and easy to unsubscribe
Get the complete Indian startup funding roundup in your inbox, covering deals, sectors, investor moves, and founder readiness notes from the week.
Built for founders, investors, CFOs, and advisors
No spam. Unsubscribe anytime.
Prepare:
| Area | Documents |
|---|---|
| Entity | Incorporation certificate, charter documents, board minutes, registers and authorisations |
| Cap table | Founder holdings, ESOP pool, option grants, SAFEs/notes/CCPS/CCD records and investor rights |
| IP | Founder assignment, employee invention assignment, contractor IP clauses, code ownership records |
| Open source | SBOM, licence review, dependency policy and copyleft risk notes |
| Customer contracts | MSA, order form, SLA, uptime terms, support obligations, limitation of liability |
| Data and security | DPA, privacy notice, subprocessors, access controls, incident response and security roadmap |
| Cloud costs | Vendor contracts, reserved instances, pricing commitments and margin analysis |
| Employment | Offer letters, consultant agreements, confidentiality, ESOP grants and POSH records where applicable |
| Tax | GST, TDS, transfer pricing where relevant, books and revenue recognition |
| FEMA | Foreign investment reporting, remittance records and FC-GPR/FC-TRS logic where applicable |
The Best CS Firm In India habit is to make the data room explain the company without founder voice-over.
Contract issues for developer-infrastructure startups
CI and testing platforms may handle source code, secrets, logs, build artefacts, customer repositories and integration tokens. That makes contracts important even when customers self-serve.
Review:
- Who owns customer code and artefacts.
- Whether platform logs can be used for product analytics.
- How secrets and environment variables are protected.
- Uptime and support obligations.
- Liability cap for data breach or service outage.
- Open-source and third-party software terms.
- Data deletion after termination.
- Enterprise audit and security questionnaire commitments.
- Indemnity for IP infringement.
- Pricing terms for high-usage accounts.
If a startup’s largest customer uses the product in production release workflows, the contract cannot look like a casual beta-signup page.
ESOP and hiring readiness
Funding rounds in developer infrastructure often create pressure to hire infrastructure engineers, security leads, enterprise sales, customer success and product specialists quickly. Founders should make sure the ESOP plan is already documented before offer letters promise options.
Keep:
| ESOP item | Founder action |
|---|---|
| Pool size | Board and shareholder-approved pool aligned with hiring plan |
| Grant letters | Clear vesting, cliff, exercise price and termination rules |
| Exercise policy | Practical process and tax explanation |
| International hires | Local law, tax and payroll review |
| Contractor conversion | IP and option eligibility cleaned up before conversion |
| Cap table | Fully diluted view after round and planned hiring |
Good engineering candidates ask about equity. Investors ask whether promised equity actually exists.
Three-year founder roadmap after a round like this
| Timeline | Founder focus |
|---|---|
| 0 to 6 months | Hiring, infrastructure reliability, security controls and customer onboarding |
| 6 to 12 months | Enterprise sales motion, SOC roadmap, contract standardisation and usage pricing |
| 12 to 24 months | International expansion, support maturity, deeper integrations and margin discipline |
| 24 to 36 months | Category expansion, strategic partnerships, large-account retention and next-round readiness |
The round is not the achievement by itself. The hard part is converting capital into durable customer trust.
Sources
- Blacksmith company announcement, 12 August 2026: https://www.blacksmith.sh/blog/announcing-blacksmiths-series-b-led-by-peak-xv-partners
- Blacksmith website: https://www.blacksmith.sh/
- Entrackr report, 13 August 2026: https://entrackr.com/news/ai-code-testing-platform-blacksmith-raises-45-mn-in-series-b-led-by-peak-xv-12255973
- Peak XV Partners: https://www.peakxv.com/
- GV: https://www.gv.com/
- Y Combinator: https://www.ycombinator.com/
FAQ Section
How much did Blacksmith raise?
Blacksmith announced a $45 million Series B led by Peak XV Partners. Its company announcement says the round valued the company at $550 million.
Who invested in Blacksmith?
The round was led by Peak XV Partners, with existing investors GV and YC participating, according to Blacksmith’s announcement.
What sector is Blacksmith in?
Blacksmith operates in developer infrastructure, continuous integration, software testing and engineering productivity.
What does Blacksmith do?
Blacksmith provides cloud CI infrastructure that helps software teams run validation and testing workloads faster before code is shipped.
What should similar founders prepare before investor outreach?
Prepare usage data, customer proof, IP assignments, open-source review, customer contracts, security files, cap table, ESOP records, tax compliance, FEMA records where applicable and an investor-ready data room.
Founder / Business Takeaway
Blacksmith’s round shows that developer-infrastructure startups can attract serious capital when the product solves a measurable workflow bottleneck for engineering teams.
Need expert support?
BSA helps SaaS, devtools and infrastructure founders prepare cap tables, ESOP files, contracts, FEMA records, IP assignments, tax files and investor data rooms before outreach.
Need expert support?
BSA supports founders across India with ROC, FEMA, due diligence, fundraising readiness, and company secretarial execution.
